Details of transit-time tubes of the types covered by group and h01j0025000000 (H01J23)

H   Electricity(226540)
H01   Basic electric elements(70435)
H01J23                 Details of transit-time tubes of the types covered by group ; h01j0025000000(550)
H01J23/033 - (3)
H01J23/04 - Cathodes(13)
H01J23/06 - Electron or ion guns(43)
H01J23/065 - (1)
H01J23/075 - (1)
H01J23/083 - (5)
H01J23/087 - (35)
H01J23/12 - Vessels; containers(4)
H01J23/18 - Resonators(34)
H01J23/207 - (9)
H01J23/213 - (10)
H01J23/24 - Slow-wave structures(101)
H01J23/38 - To or from the discharge(2)
H01J23/46 - Loop coupling devices(2)

Superhigh-frequency cyclotron protective device // 2631923
FIELD: radio engineering, communication.SUBSTANCE: superhigh-frequency cyclotron protective device comprises a tape cathode, a focusing electrode installed in front of the cathode and made in the form of a rectangular plate with edges bent at right angles to the cathode, an anode, a resonator system with input and output volume resonators having unidirectional coupling with each other through the electron beam and interacting with a fast cyclotron wave of the electron beam. Each resonator is connected and matched to UHF-lines by a signal transmission path, an electron collector, a magnetic system on permanent magnets longitudinally magnetized along the propagation direction of the electron beam, mounted on opposite inner walls of a rectangular magnetic circuit and provided with pole pieces. The magnetic system contains four additional magnets magnetized in a direction perpendicular to the propagation direction of the electron beam. Each magnet is located between the side walls of the pole piece and the magnetic circuit and adjoins with a magnetic pole, the cognominal pole of the longitudinally magnetized permanent magnet. The electron collector is made in the form of two thin mutually parallel plates on a wire holder mounted in the cylindrical cavity of the pole piece which axis is oriented perpendicular to the direction of propagation of the tape electron beam along its width.EFFECT: increasing the frequency of the CPD and expanding the scope of the CPD in the radar receivers of the 8-millimeter wavelength range to protect them from the effects of high-level input power.4 dwg

Electronic microwave instrument // 2630251
FIELD: electricity.SUBSTANCE: electronic high-power microwave instrument of flight type includes a vacuum housing made of a material with low electrical conductivity, a magnetic system for the formation and transportation of an electron beam, a collector of an exhausted electron beam made separately from the vacuum housing in the form of a body of revolution with a radius varying radially along the symmetry axis, the surface of which is current-receiving, as well as a collector scanning coil and a collector correction coil arranged coaxially to the collector outside the vacuum housing. Said geometry of the microwave device with a spatially homogeneous variable component of the magnetic field of the collector scanning coil significantly reduces the shielding of the variable component of the magnetic field in the area near the collector where the exhausted electron beam passes.EFFECT: decreasing the maximum operating temperature of the current-receiving surface of the microwave instrument collector and increasing the durability of the microwave instrument at a given microwave power or increasing the maximum possible dissipated power of the exhausted electron beam and the microwave power at a given maximum operating temperature of the current-receiving surface of the collector or the durability of the microwave instrument.2 cl, 3 dwg

ulti-beam klystron with ring resonators working in form of e0n0 fluctuations // 2623096
FIELD: physics.SUBSTANCE: hollow resonators of the multi-beam klystron work at the highest E0n0 fluctuations. Multi-beam klystron contains ring resonators that work at the highest E0n0 fluctuations, and n ring capacitive gaps, between which there are ring inductive fields, where n=2,3. All or some of the inductive fields of the ring resonators provide additional ring protrusions in the fields of zero electric field at a working form of oscillations. Input and output resonators are connected with an external load using axial-asymmetric communication elements and contain one or more shorting pins connecting the end caps of the multi-beam klystron resonator, working in the form of E0n0 fluctuations.EFFECT: improving the uniformity of electric field distribution at cross sections of the span channels.4 cl, 4 dwg

Accelerating structure with parallel connection // 2605949
FIELD: electronics.SUBSTANCE: invention relates to acceleration equipment, is intended for electrons acceleration by SHF field at simultaneous retention of beam next to specified axis by solenoidal type magnetic field. Device contains accelerating structure with parallel connection, which accelerating resonators are structurally separated by gaps, in gaps radially magnetized annular permanent magnets are installed, creating sign-variable magnetic field on resonators axis. Divisible magnets allow for acceleration structure heating.EFFECT: technical result is possibility of electrons acceleration by SHF field with high current (not less than 1A) electron beam simultaneous retention by permanent magnets magnetic field on accelerating resonators axis with magnets relatively low total weight, due to system design selection in general, embedding focusing magnets inside accelerating structure and using reverse focusing.1 cl, 3 dwg

Electronic lamp // 2596806
FIELD: glass.SUBSTANCE: invention is related to electronic engineering. Electronic lamp contains an RF output window of ceramic material, which has glass coating on inner surface. Window has no glass coating along the perimeter and at least part of the perimeter of which does not have glass coating, it is metal-coated.EFFECT: technical result is high heat resistance of glass.10 cl, 3 dwg

Outlet unit of plasma relativistic microwave pulses source with conversion of wave type // 2595554
FIELD: electrical engineering.SUBSTANCE: invention relates to high-voltage pulse equipment, in particular, to high-current relativistic pulse plasma microwaves sources, and can be used for creation of plasma relativistic microwave pulses sources output units with conversion of lower wave coaxial waveguide of TEM-type in lower wave hollow waveguide circular section of H11 type. Plasma relativistic microwave pulses sources outlet unit with conversion of wave type includes internal and external metal electrodes of cylindrical shape, wherein in area before final section of external metal electrode in form of horn or inner metal electrode, or external metal electrode is made with smooth bend, wherein end of internal metal electrode is rigidly connected with inner surface of external metal electrode to provide electrical contact between them along whole perimeter of connection, and length of smooth bend is higher than maximum wavelength of transmitted microwave radiation.EFFECT: reduced distortion of microwave pulses due to minimization of reflections of microwave waves as they spread from boundaries of generator section to boundary of horn.5 cl, 4 dwg

Delay-line structure // 2586075
FIELD: electronic equipment.SUBSTANCE: invention relates to electronic engineering, in particular to a delay system for microwave devices with prolonged interaction. Delay-line structure comprises metal cylindrical housing coaxially to which there is an inner conductor in form of periodic sequence of equal-diameter split rings. Ends of every next split ring are closed at previous split ring with help of two webs arranged in parallel to longitudinal axis of slow-wave structure. Ends of every next split ring are shifted relative to appropriate ends of previous split ring by angle αN, value of which is selected from ratio: , where N = 1, 2, 3… is number of split rings per period of delay-line structure.EFFECT: technical result is expansion of bandwidth, high coupling impedance and broader functional capabilities.1 cl, 5 dwg

Cathode preheating unit // 2579430
FIELD: electronic equipment.SUBSTANCE: invention relates to the field of electronic engineering. Cathode preheating unit for powerful klystron cathode contains several separate modules of a given size, each of which consists of a cathode block elementary cathode heater, holder, screen and are coaxially arranged drift tube klystron. Part of the cathode of each module to a height of (0.2-2.0) mm from the end opposite the working - emitting - a surface formed with a diameter greater than the diameter of the cathode module (0.2-10.0) mm. Warming cathode assembly is further provided with two cylinders - external and internal, with a given diameter, height - external, equal to the height of the cathode a separate module, or no more than two of its height, the inner - equal to the height of the cathode module, or - at least 0.5 of its height Each wall thickness (0.3-0.8) mm, the cylinders are arranged coaxially one inside the other in the working plane - emitting - cathode surface modules. Each individual cathode unit is additionally provided with a separate cylinder placed therein with a gap and secured by said holder part, with a separate barrel is diameter, which mate of cathode modules, height, at the height of the cathode module (1.0-5.0) mm, with a wall thickness equal to (0.2-0.6) mm, at the outer end face of each cylinder in the plane of the working - emitting - a surface formed monolithically fastening elements, each in the form of a circular segment with the length of its curve (4.0-8.0) the wall thickness of the individual cylinders in multiples of four and the individual cylinders with individual cathode modules are disposed between the inner and outer cylinders.EFFECT: technical result - increase durability, power output and efficiency.5 cl, 1 dwg, 1 tbl

ethod for generating directional motion of electrons and device for its implementation // 2577536
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used to generate magnetic fields. Method for generating directional movement of electrons lies in that free electrons are produced by thermionic and photoelectric emission from the thermionic cathode of cylindrical shape and move them radially in all directions by the electric field to the anode, which is a cylindrical vacuum metal vessel on the axis of symmetry of which a hot cathode device is located through the insulating device. Between the hot cathode and the anode a stream of mercury vapor is rotated along a helical path in which the electrons collide with mercury atoms to acquire electrons temporarily on the way to the anode along a helical path with the flow of mercury vapor.EFFECT: technical result - increase in the relative speed of the directional movement of electrons as part of the high-speed stream of mercury vapor.4 cl, 2 dwg

Delay-line structure // 2576977
FIELD: radio engineering, communication.SUBSTANCE: delay-line structure comprises a cylindrical metal housing and waveguide elements arranged coaxial to the housing, said elements forming a flight channel and being closed by the ends on the inner surface of the metal housing. The ends of neighbouring waveguide elements are displaced from each other clockwise by an angle αN, the value of which is selected using the relationship: where N=1, 2, 3… is the number of waveguide elements per period of the delay-line structure. Each waveguide element is in the form of arched and oppositely lying "meander" sections.EFFECT: high coupling impedance of one oscillation mode, minimisation of the coupling impedance of the other modes and broader functional capabilities.4 dwg

agnetron // 2560925
FIELD: physics.SUBSTANCE: invention relates to electronic engineering. A magnetron has an anode (1) and a cathode, designated overall by a reference number (2), wherein the cathode comprises two parts linked by bushings (11, 12) made of an iron alloy, separated by a bushing (13) made of insulating material, wherein the iron alloy bushings can be connected to opposite poles of a power source (14) for heating the cathode. The cathode is heated using a high-frequency, low-volume power source and iron alloy bushings having a surface coating of conducting material. Currents induced by the magnetic field generated by high-frequency currents of the power source are largely confined in the conducting coating due to a skin-effect, while preventing heating and losses in the iron alloy itself, which might occur in other cases.EFFECT: reduced power loss.11 cl, 2 dwg

agnetron-type electron gun for generating helical electron beams with reflected electron trap // 2523447
FIELD: physics.SUBSTANCE: invention relates to electron guns of flight-type devices with tubular electron flow, coaxial to the axis of a resonator, e.g. gyrotrons. In an electron gun, having an axially symmetric cathode with an emitting band, an anode and a reflected electron trap, each trap electrode is in form of a helical edge, and the cathode is equipped with a cylindrical ferrule, the length of which is not less than the length of the edge of the trap.EFFECT: high efficiency of generating microwave radiation owing to that the electron gun for generating helical electron beams with a reflected electron trap enables to capture each electron reflected from a magnetic plug at the first reflection from the magnetic plug.5 cl, 6 dwg

Collector for o-type microwave vacuum-tube device // 2518165
FIELD: physics.SUBSTANCE: invention relates to vacuum-tube devices, particularly to collectors in travelling-wave tubes, multiple-beam klystron and klystrons which employ recuperation of kinetic energy of electrons coming out the electrodynamic system of the device. The collector has a housing, an insulator, a device for generating a transverse electric field and electrodes, wherein the housing is equipped with a multi-pin leg in form of a ceramic disc, and the device for generating a transverse electric field is placed in front of the electrodes and is in form of coaxially arranged ring and cylindrical cup. The electrodes form a double-row multi-section system, each section having an external electrode and an internal electrode with flat end surfaces and cylindrical side surfaces. The collector is also provided with an additional electrode which is in form of a disc and is placed behind electrodes of the last section, external and internal additional insulators in form of a washer and placed on both sides of each internal and external electrode, dielectric tubes and conductors. All electrodes and insulators, as well as the multi-pin leg are arranged coaxially, and the sizes of the outer diameters of the external electrodes, external additional insulators, the ring and the additional electrode are identical, wherein the external cylindrical surfaces of the additional electrode and the ring are connected to the internal surface of the insulator, and the electrodes and additional insulators have openings which form cylindrical cavities in which the dielectric tubes are inserted, said tubes having conductors inside them, which connect the ring, the cylindrical cup and each of the electrodes with the corresponding pin of the multi-pin leg.EFFECT: high efficiency and longer service life of the device.2 cl, 3 dwg

Cooling plant for lighting device // 2513026
FIELD: heating.SUBSTANCE: invention relates to cooling systems, in particular, for cooling of lights. A cooling plant (100) is proposed, which comprises a source electrode (102), the first and second electrodes-targets (104, 106), arranged at the distance from the source electrode (102), and a control circuit for control of voltage applied between the source electrode (102) and at least one of the first and second electrodes-targets (104, 106). Voltage is controlled in such a manner that they adjust air flow produced as a result of potential difference between the source electrode (102) and at least one of the first and second electrodes-targets (104, 106), so that their direction changes in turns. With the help of invention one may provide for cooling of a device, having similar or better operating characteristics compared to a regular system with heat release and a fan, but with smaller dimensions and weight, and also with absence of noise.EFFECT: higher compactness and elimination of noise during work.15 cl, 4 dwg

Inductance-capacitance generator (lc-generator) // 2499320
FIELD: electricity.SUBSTANCE: inductance-capacitance generator (LC-generator), comprises a vacuum tube, inside of which there is a sharpened plate and a plate with a flat end connected to a source of current, and on a vacuum tube from outside there is an electromagnetic coil. The generator differs by the fact that it comprises a vacuumised tube made of dielectric, inside of which there is a sharpened plate, arranged along the central axis of the vacuum tube and turned with a spike in direction to the flat plate and a flat plate made as metallic and arranged on the central axis of the vacuum tube.EFFECT: possibility to generate directly high-frequency electric current without additional devices, for instance, in the form of converters, since an LC-generator matches in its operation the functions of both the generator and the energy converter.12 cl, 1 dwg

Accelerating structure with parallel link // 2472244
FIELD: electricity.SUBSTANCE: accelerating structure (AS) comprises coaxially arranged accelerating resonators not connected to each other, besides, each resonator has a linkage diaphragm for input of microwave capacity, a throughput resonator with high internal Q, having output diaphragms by number of accelerating resonators included into the AS, every of which is combined with a linkage diaphragm of an appropriate accelerating resonator, and an input diaphragm for input of microwave capacity from a generator, besides, coefficients of transfer of specified diaphragms meet the following ratios: T1=[1+(T0/T-T/T0)2/4]-1/2; T<T0, where T and T1 - coefficients of transfer of accordingly output and input diaphragms of a throughput resonator. T0 - coefficient of transfer of a linkage diaphragm of an accelerating resonator, when no throughput resonator is available.EFFECT: reduced size of a hole in linkage diaphragms of accelerating resonators of an accelerating structure and thus their reduced impact at a structure of an accelerating field, critical connection with a supply wave guide remains.3 cl, 2 dwg, 1 tbl
anufacturing method of cast target from molybdenum-based alloy for magnetron sputtering // 2454484
FIELD: metallurgy.SUBSTANCE: manufacturing method of cast target for magnetron sputtering from molybdenum-based alloy and target obtained using the above method is proposed. Method involves obtaining of an ingot of alloy on the basis of molybdenum. First, high-purity polycrystalline molybdenum ingot is obtained by means of deep vacuum refining by electron-beam drip re-melting of a workpiece made from high-purity molybdenum; after that, arc vacuum remelting of high-purity polycrystalline molybdenum ingot is performed with strips from high-purity monocrystalline silicon; at that, the number of strips is chosen from the condition for obtaining polycrystalline alloy ingot with composition of molybdenum - 0.005-1.0 wt % of silicon, which is subject to machining.EFFECT: improving the quality of semiconductor devices and integral circuits due to improvement of chemical resistance of films, as wells as stability of value of transient resistance of contacts at heat treatment.2 cl, 2 tbl, 1 ex
anufacturing method of cast target from tantalum-based alloy for magnetron sputtering // 2454483
FIELD: metallurgy.SUBSTANCE: manufacturing method of cast target for magnetron sputtering from tantalum-based alloy and target obtained using the above method is proposed. Method involves obtaining of an ingot of alloy on the basis of tantalum. First, tantalum ingot of high purity degree is obtained by means of deep vacuum refining by electron-beam drip re-melting of a workpiece made by pressing of high-purity tantalum powders; besides, ingots of intermetallic compounds TaFe2 and YFe3 are obtained by melting of tantalum with iron and yttrium with iron; after that, arc vacuum remelting of high-purity tantalum ingot with ingots of intermetallic compounds TaFe2 and YFe3 is performed at their ratio, wt %: TaFe2 3.0-10.0, YFe3 0.3-3.0, Ta - the rest; ingot of tantalum-based alloy with composition of Ta + 1 wt % Fe + 0.1 wt % Y is obtained and subject to machining.EFFECT: improving the quality of sputtered targets in order to increase the yield ratio of thin-film capacitors.2 cl, 1 tbl, 1 ex
ethod for obtaining composite target for sputtering from tungsten-titanium-rhenium alloy // 2454482
FIELD: metallurgy.SUBSTANCE: manufacturing method of composite target for obtaining films by magnetron sputtering and target obtained using the above method is proposed. Method involves manufacture of disc from polycrystalline titanium ingot obtained by multiple vacuum titanium re-melting, drilling of holes in staggered order in sputtered zone of titanium disc along two concentric circles and fixture of cylindrical inserts in them. Cylindrical inserts are made by cutting of ingots of monocrystalline tungsten and monocrystalline rhenium, which have been obtained by multiple vacuum remelting of tungsten and rhenium. Inserts attachment is performed by press fitting to drilled holes at the ratio of surface areas occupied with tungsten and rhenium inserts on surface of target in titanium disc providing the production of films consisting of the following, wt %: titanium 2.5-37.0, rhenium 0.04-9.78, and tungsten is the rest.EFFECT: improving reliability and process barrier layers due to decreasing mechanical stresses and improving homogeneity of metal coating.2 cl, 1 tbl, 1 ex
ethod for obtaining composite target for sputtering from tungsten-titanium-silicon alloy // 2454481
FIELD: metallurgy.SUBSTANCE: manufacturing method of composite target for obtaining films by magnetron sputtering and target obtained using the above method is proposed. Method involves manufacture of disc from polycrystalline titanium ingot obtained by multiple vacuum titanium re-melting, drilling of holes in staggered order in sputtered zone of titanium disc along two concentric circles and fixture of cylindrical inserts in them. Cylindrical inserts are made by cutting of ingots of monocrystalline tungsten and monocrystalline silicon, which have been obtained by multiple vacuum remelting of tungsten and silicon. Inserts attachment is performed by press fitting to drilled holes at the ratio of surface areas occupied with tungsten and silicon inserts on surface of target in titanium disc providing the production of films consisting of the following, wt %: silicon 0.1-1.3, titanium 11-33, and tungsten is the rest.EFFECT: increasing thermal stability of metal coating and reproducibility of its formation process.2 cl, 1 tbl, 1 ex

Delay-line structure // 2453945
FIELD: physics.SUBSTANCE: invention relates to electronic engineering, particularly delay-line structures for O-type microwave devices with given filter properties. The delay-line structure has coil sections and an outer cylindrical metal housing. The outer cylindrical metal housing is placed coaxially with windings of the coil sections. The ends of the coil sections are closed by a support on the outer cylindrical metal housing. The ends of neighbouring coil sections are displaced from each other clockwise by an angle α whose value is selected using the relationship: where N=1, 2, 3… is the number of coil sections per period of the structure.EFFECT: wider operating frequency band and functional capabilities.2 dwg

Jar window for input and/or output of microwave energy // 2451362
FIELD: electricity.SUBSTANCE: device to transmit microwave capacity at the E11 wave comprises coaxially arranged section of a round wave guide with a vacuum-tight soldered-in dielectric disc (DD) and two sections of rectangular wave guides connected to the section of the round wave guide at its opposite ends, and also one or two metal tubes (MT) for a cooling liquid. Each MT is placed in an appropriate slot arranged in DD along its diameter at one DD side. Each MT is installed along the appropriate slot and is soldered with its walls along the entire length. Ends of each MT are soldered to the wall of the round waveguide section in a vacuum-tight manner. The longitudinal axis of each MT lies in the place of the axial section of the round waveguide section arranged in parallel to wide walls of the rectangular waveguide sections.EFFECT: improved heat removal from a dielectric disc of a jar window and higher level of average microwave capacity sent via a jar window.4 cl, 2 dwg

Delay-line structure of spiral type // 2447538
FIELD: electricity.SUBSTANCE: delay-line structure of spiral type contains metal frame with at least one spiral located at ends of dielectric supports. At least one metal ring with grooves with rigidly fixed free ends of dielectric supports is installed at frame concentrically in regard to spiral; the ring has possibility of translational movement along the system axis. At the ring there is also a tool for ring translation in the form of protrusion with threaded hole for connection with pin which ends are installed at grooves of housing flanges. In result of pins rotation metal rings are translated with spirals along longitudinal axis of delay-line structure. During spirals movement distance between them is changed and it leads to changes in operating frequency and delay coefficient of the structure. It allows adjustment of delay-line structure.EFFECT: provision of structure adjustment.2 cl, 1 dwg

ethod of manufacturing miniature periodic systems of electrovacuum microwave devices from copper with nano- and micro-crystalline structure // 2411605
FIELD: physics.SUBSTANCE: in the disclosed method, lamellae are made from monolithic copper material, where said lamellae have width and working gaps in between of up to 50 mcm, for which a fine-grained structure is formed from copper through equal channel angular pressing at a deformation rate of 0.4 mm/s at room temperature and with total number of pressing cycles equal to 8, with subsequent annealing at temperature of up to 150°C and holding for up to 1 hour to remove stress. Miniature high-precision periodic systems, having lamella thickness and working gaps in between of up to 50 mcm are made from spent copper through a combination of lathe machining and spark cutting.EFFECT: high manufacturability of periodic systems of travelling-wave and backward-wave tubes, magnetrons and similar electrovacuum microwave devices in the millimetre and submillimetre wavelength range, while ensuring good output and operational parametres of the devices owing to reduction of wave loss increase in stability of their functioning.2 cl, 3 dwg

ethod and device for controlling electron beam collector rocking // 2411604
FIELD: physics.SUBSTANCE: collector rocking method for controlling an electron beam (1) in a beam collector (230), particularly of a magnetic gyrotron device, includes steps for exposing the electron beam (1) to the effect of a transverse rocking field, having a field component which is perpendicular to the longitudinal direction (z) of the beam collector (230) and provides an inclined, rotating region (3) of intersection of the electron beam (1) in the beam collector (230), and variation of at least one of the longitudinal position and angle of inclination of the region (3) of intersection for modulation of the transverse rocking field. The invention also describes a collector rocking device (100) and a microwave oscillator (200).EFFECT: reduced formation of maximum power.14 cl, 7 dwg

Input and/or output of microwave energy with can-type window for high-capacity electronic instruments // 2407099
FIELD: electricity.SUBSTANCE: microwave energy output is proposed with a window of can type for high-capacity electronic instruments, comprising sections of rectangular wave guides, connected to coaxially-installed section of circular wave guide between them, having different internal and external diametres, cross section of which comprises a dielectric disc, tightly connected to its internal surface and isolating vacuum part, compensator element arranged on external surface of circular wave guide section and connected to it, conducting element for suppression of parasite resonances in the form of hollow cylinder, at least of two solid parts, differing by external diametre, arranged coaxially to section of circular wave guide, element for cooling, connected to section of circular wave guide, connecting flange directly adjacent to end surface of round wave guide section at non-vacuum side, at the same time geometric dimensions of round wave guide section, dielectric disc and conducting element for suppression of parasite resonances are set on the basis of specified parametres of microwave energy output.EFFECT: increased output capacity, thermal-mechanical and electric strength of connections of microwave energy output elements.4 cl, 1 dwg, 1 tbl, 10 ex

Slow-wave system // 2395131
FIELD: electricity.SUBSTANCE: system includes coaxial external and internal housings in the last one of which there installed is wave-guide structure, quarter-wave stubs each of which is formed with the conductor located between external and internal housings, and one end of which is connected through the pin to wave-guide structure, and the other one - to connection strap installed between external and internal housings. Wave-guide structure is made in the form of spiral; at that, each next place of connection of stubs to spiral relative to the previous one is offset through angle α clockwise and at the distance d along the spiral axis, and angle α and distance d shall be chosen from ratios: ; where N=1, 2, 3…, λ0 - length of wave in free space at central frequency of the specified working range.EFFECT: enlarging the range of working frequencies of slow-wave system owing to coupling of several pass bands the number of which is determined with N number, and enlarging functional capabilities.1 dwg

Electron gun for microwave device // 2367052
FIELD: physics.SUBSTANCE: invention relates to vacuum microwave devices, particularly to electron guns, and can be used in pulsed travelling-wave tubes or klystrons with low-voltage grid control of beam current. The electron gun contains a thoria cathode with annular emitting surface 1, shadow 2 and control 3 grids with discs 4 and 5 in their centres, anode 6 with an anode grid 7 with disc 8 in its centre, additional emitting surface 9 with a flat or spherical shape. Discs in the centres of the grids have openings 10, 11 and 12.EFFECT: increased maximum power of the device, efficiency, reliability and durability due to increased beam perveance, improved focusing and current flow coefficient, achieved due to use of an additional emitting surface in the centre of the cathode, use of a disc in centre the anode grid and openings for transit of electrons to discs of the shadow, control and anode grids.3 cl, 1 tbl, 12 dwg

High-purity sputtering molybdenum target and method of its production // 2365673
FIELD: metallurgy.SUBSTANCE: invention relates to non-ferrous metallurgy, namely to production of sputtering molybdenum targets and can be used in microelectronics to apply coatings by thin-film metallisation. The method involves a consistent deep vacuum refining by electron-beam remelting of a high-purity metal-ceramic bar obtaining monocrystalline or polycrystalline molybdenum. Whereupon a semi-finished target shaped as a monocrystalline or polycrystalline ingot is formed from the obtained product using electron-beam remelting in the horizontal or vertical mold. The ingot produced is then machined.EFFECT: improved quality and reliability of the barrier and conducting films when sputtering cast high-purity molybdenum targets.3 cl, 1 dwg, 1 ex

Superhigh frequency multipole lens // 2356123
FIELD: physics, optics.SUBSTANCE: invention is related to elements of focusing systems of electron-beam and SHF instruments with transverse-longitudinal interaction, and may be also used in accelerating equipment and electronic microscopy. Technical result is achieved by the fact that superhigh frequency multipole lens comprises resonator system that includes at least four electrodes connected serially as next nearest and installed symmetrically along circumference, coaxially to flow of charged particles passing inside. Electrodes of resonator system are arranged in the form of resonance sections of round metal rods with at least six symmetrically installed longitudinal grooves, width of which is equal to their depth and to quarter of slow wave length.EFFECT: possibility to realise simultaneous focusing and prolonged interaction of beam with transverse-longitudinal electromagnet field and continuous power takeoff, which makes it possible to operated with broad bundles of charged particles.2 dwg

Tungsten-titanic target formagnetron sputtering and method of its receiving // 2352684
FIELD: metallurgy.SUBSTANCE: it is implemented deep vacuum refinement by multiple remelting of tungsten and titanium with receiving of polycrystalline ingots of titanium and tungsten monocrystal. Then from the polycrystalline ingot of titanium it is manufactured disk, in which in diffusing area per two concentric circles alternate there are bored holes and by press fit there are fixed in it cast cylindrical inserts from tungsten monocrystal, preliminarily subject to grinding and cutting per exact lengths. Target, recived by mentioned method, consists of cast disk made of high-clean titanium and cast cylindrical inserts made of high-clean monocrystalline tungsten, located in diffusing area of disk by two concentric circles alternate. Additionally area ratio on surface of target, taken up by tungsten and titanium, provides receiving of films at magnetron sputtering composition 35-40 wt % of titanium, tungsten is the rest.EFFECT: improving and reliability growth of applied films of barrier plate tungsten - titanic alloy.3 cl, 4 dwg, 1 ex

Traveling wave lamp with magnetic periodic focusing system // 2352017
FIELD: electrics.SUBSTANCE: invention concerns electric vacuum ultra high frequency devices, particularly in O-type traveling wave lamp with magnetic periodic focusing system (MPFS). Lamp includes MPFS combined with resonance slow-down system and consisting of intermittent axially magnetised ring magnets, polar headpieces and ferromagnetic inserts. To achieve required harmonic component level in magnetic field with non-sinusoid distribution, at least a part of MPFS behind high frequency power input consists of adjoining cells, each including at least one unidirectional magnetisation magnet and three ferromagnetic inserts between polar headpieces. Magnets in each two neighbour cells have opposite magnetisation. Inserts are positioned with gaps against polar headpieces in hubs in the form of step rotation bodies and fixated by annular elements, and form inner cavities of high frequency resonators in slow-down system. Hubs and annular elements are made of non-magnetic material with high heat conductivity and comprise vacuum shell together with polar headpieces.EFFECT: enhanced current permission of beam in high-performance traveling wave lamp in short-wave part of UHF range due to intense electron stream focusing in transit channel.3 cl, 9 dwg

Traveling wave lamp with magnetic periodic focusing system // 2352016
FIELD: electrics.SUBSTANCE: invention concerns electric vacuum ultra high frequency (UHF) instruments, particularly construction of O-type traveling wave lamp with magnetic periodic focusing system (MPFS). Lamp includes MPFS combined with resonance slow-down system and consisting of intermittent axially magnetised ring magnets, polar headpieces with ferromagnetic hubs and non-magnetic diaphragms with capacitance bushings, positioned between them and forming transit channel. At least a part of MPFS behind high frequency power input includes ferromagnetic insert forming slow-down system resonators together with adjoining polar heads. Another resonator part is formed by diaphragm in the form of step rotation body, and annular element fixating the insert in diaphragm. Diaphragms and annular elements are made of non-magnetic material with high heat conductivity. Selection of ferromagnetic insert profile, size and position between polar heads defines magnetic field with given high harmonic components and non-sinusoid distribution.EFFECT: enhanced current permission of beam in high-performance traveling wave lamp in short-wave part of UHF range due to intense electron stream focusing in transit channel of traveling wave lamp with low pulsation.3 cl, 8 dwg

High-precision vacuum device and method of its production // 2344508
FIELD: physics.SUBSTANCE: tight block switching fixtures represent welded components with separate tight leadouts incorporating rigid conducting terminal extenders with a flat flange while coaxial tight leadouts incorporate flexible terminal extenders fitted on the rods arranged on the surface of ceramic plates in rows with the difference in height of top points of the flexible conducting terminal extenders between the first and every subsequent row h defined from the formula h=l·sinα, where l is the distance between the first and each subsequent row and α is the angle of inclination of a plane of the contact between the top points of the aforesaid flexible conducting terminal extenders to the ceramic plate plane. The terminal block comprises also cylindrical extender sleeves with tabs arranged on both end faces. Note that the said tabs of the lower end face are bent along the radius by the angle of 90° outward from the sleeve axis of symmetry. Note also that, at the top end face, the said tabs are vent two times by 90° towards the aforesaid axis of symmetry of the sleeve. To weld the aforesaid fixtures, a pulsed laser radiation makes a heating source.EFFECT: high level of technological and operational properties of proposed tight block.2 cl, 1 dwg

Slow-wave system for electronic shf appliances // 2338293
FIELD: electronic equipment.SUBSTANCE: slow-wave system of spiral type is suggested, which contains two hollow cylinders made of aluminium nitride with wall thickness of smaller hollow cylinder of 0.3÷1 mm, and installed one inside another with the possibility of mutual contact provision along the whole surface of their contact, metal spiral made by laser beam on the external surface of smaller hollow cylinder, at that height of metal spiral section in the plane that is perpendicular to its length is provided as at least 0.05 mm. At that internal diameter of smaller hollow diameter, length of metal spiral, distance between its turns and external diameter of larger hollow cylinder are determined by wave length and value of maximum output power of electronic SHF appliance.EFFECT: simplification of design, higher manufacturability, reliability, improvement of output parameters of electronic SHF appliance.1 dwg, 5 ex

ulti-beam electron gun // 2331135
FIELD: physics.SUBSTANCE: invention relates to electronic technology, in particular to multi-beam electron guns for powerful multi-beam electro-vacuum microwave devices of O-type, for example, for powerful pulse multi-beam klystrons and TWT. The multi-beam electronic gun contains ring cathodes fixed in the general cartridge clip, electronically isolated from them in the form of a plane-parallel metallic plate with apertures and an anode with apertures. Each of the ring cathodes contains an internal ring core and its coaxially to surrounding ring emitter with a concave spherical emitting surface, turned to the side of the anode. The internal ring core on the side facing the anode has a ledge in the form of the hollow cylinder and the ring groove surrounding it, located coaxially internal ring core. The end of a protrusion is rounded and the apex of the protrusion is combined with a plane, passing through the edge nearest to the controlling electrode of the spherical emitting surface of the ring emitter, the internal diameter of the protrusion is equal to internal diameter of the internal ring core, the external diameter of the protrusion is equal to internal diameter of the ring groove, the external diameter of the internal ring core is equal to the internal diameter of the ring emitter, thus distance H from the base of the groove to the top of the protrusion, the external diameter D2 of the protrusion, the rounded radius R of the protrusion, the external diameter D3 of a ring groove are determined by the set conditions. EFFECT: simplification of the design of a multi-beam electron gun, increase in the dielectric strength, stability and reliability of its work in powerful pulse multi-beam devices of short-wave area of the microwave band.2cl, 7dwg

icrowave device of o-type // 2328053
FIELD: electricity.SUBSTANCE: invention is related to electronic microwave equipment, namely to powerful wide band microwave devices of O-type, for instance, to multiple-beam klystrons that mostly operate in medium and short-wave part of centimeter range of waves length. Microwave device of O-type consists of sequentially installed along its axis electron gun, active resonators in the form of wave conductors segment and collector. Active resonators are made as stepwise changing in height, where height is the distance along microwave device axis between end walls of active resonator. In active resonator floating-drift tubes are installed linearly in rows and are fixed in its opposite end walls, and ends of coaxially installed floating-drift tubes are separated by permanent high-frequency gap. Central rows of floating-drift tubes are installed in sections of active resonators with the least height, and subsequent rows of floating-drift tubes that are installed along both sides of central rows, are installed in sections of active resonators with higher heights. It is also suggested to use inlet and outlet active resonator with non-symmetric installation of floating-drift tubes relative to opposite side walls of these resonators. Inlet active resonator may be connected to energy input directly through inlet wave conductor or through inlet passive resonator and inlet wave conductor. Outlet active resonator may be connected with energy output directly through outlet wave conductor or through one or several outlet passive resonators and outlet wave conductor.EFFECT: increase of efficiency factor at the account of improvement of electric field distribution uniformity in the sphere of electronic flow interaction with microwave field.12 cl, 5 dwg

Collector of electric vacuum device // 2328052
FIELD: electricity.SUBSTANCE: multi-section collector of electric vacuum device with recuperation is suggested, made in the form of hollow cone. Hollow cone is made monolithic from aluminium nitride by method of hot-pressing, metal closed conductors are made by means of laser beam scanning of external surface of hollow cone in points of their corresponding installation at the depth that is equal to hollow cone thickness. At that thickness of hollow cone and width of metal closed conductors are determined by output parameters of electric vacuum device.EFFECT: increase of output power and efficiency factor; increase of reliability, durability and manufacturability.3 cl, 1 dwg

Non-uniform delay-line system // 2325723
FIELD: electricity.SUBSTANCE: invention is related to the sphere of electrodynamics and may be used for creation of multiple-frequency generator of microwave oscillations, for example, on the basis of traveling-wave (TWL) or backward-wave (BWL) lamps. Non-uniform delay-line system in the form of joined resonators chain constitutes wave guide, which is baffled with flat membranes that are perpendicular to system axis and contain coupling slots and channels for electrons transit. Resonators chain is divided in sections. Geometric dimensions of membrane coupling slots in every section of resonators are selected in such a way so that pass band of each subsequent section is more than the previous one, at that top limit frequencies of pass bands of every section are same. Turndown of delay coefficient in frequency band of every section should not exceed turndown of delay coefficient of the last section. Selection of required pass band and dispersive dependence is achieved by alteration of geometric dimensions of toroidal resonators.EFFECT: increases coupling impedance along the length of delay-line system at selected frequencies in preset frequency band.5 dwg

Protective cyclotron unit characterized in enhanced operating frequency band // 2319274
FIELD: high-frequency electronics; devices for protecting microwave radio receivers of radar stations against heavy power fluctuations in superhigh and extremely-high frequency bands.SUBSTANCE: proposed device has electron gun, input and output electrodynamic structures unidirectionally coupled through electron flow and separated by means of diaphragm with hole to pass electron flow, as well as collector. Homogeneous magnetic field is oriented to electron flow direction. Each electrodynamic structure is formed by electromagnetically coupled and series-connected resonators. Unidirectional coupling of electrodynamic structures through electron flow is provided only between resonators of these structures closest to each other and diaphragm is disposed in-between.EFFECT: extended operating frequency band.3 cl, 11 dwg

Traveling-wave tube // 2319250
FIELD: microwave electronics; helical traveling-wave tubes, their development and manufacture.SUBSTANCE: proposed traveling-wave tube has power supply and helical slow-wave line secured within current-conductive enclosure by means of insulating rods. The latter are made of pyrolytic rhombohedral boron nitride having highly oriented heterophase or monophase polycrystalline structure obtained by gas-phase deposition onto flat surface. Insulating rods are made and installed in traveling-wave tube so that planes of pyrolytic rhombohedral boron nitride deposition and longitudinal planes of insulating rods radially disposed relative to slow-wave line axis are parallel, parallelism tolerance field being not to exceed 0.5C, where C is cross-sectional area of insulating rods in direction perpendicular to radius of slow-wave line. Insulating rods can be made of pyrolytic rhombohedral boron nitride containing 0 to 85% of hexagonal phase or pyrolytic rhombohedral boron nitride incorporating 0 to 50% of wurtzite phase, total content of wurtzite and hexagonal phases being 0 to 85%.EFFECT: augmented heat-transfer from helical slow-wave line, reduced temperature, enhanced reliability, efficiency, and output power of helical traveling-wave tube.4 cl, 2 dwg

Extremely high-frequency traveling-wave tube // 2307421
FIELD: electronic engineering.SUBSTANCE: proposed high-power continuously and intermittently acting O-type EHF traveling-wave tube has slow-wave structure of string of coupled resonators and periodic magnetic focusing system. Slow-wave structure is made in the form of multilayer structure having no drift tube and assembled of interconnected thin alternating conducting rings and diaphragms forming a number of coupled resonators. Vacuum shell of traveling-wave tube is formed by alternating circular pole pieces and circular bushings made of magnetically soft material which are disposed along slow-wave structure extremely close to shell and transit-time channel and interconnected through vacuum-tight joint. Such arrangement provides for high levels of magnetic field on axis and in small-diameter transit-time channel of tube.EFFECT: enhanced efficiency of tube, reduces transverse dimensions of slow-wave structure resonators.4 cl, 2 dwg

ultiple-electrode collector of o-type device // 2291514
FIELD: microwave electronic devices including collectors of microwave traveling-wave tubes or klystrons.SUBSTANCE: proposed collector has case one of whose parts is used as pre-collector, insulators, and electrodes incorporating transverse electric field producing devices disposed between electrodes and made in the form of semi-cylinders. Lengths L1 L2 of the latter are interrelated with transverse dimension d of cavity enclosed by semi-cylinders by expressions 0.1 ≤ L1/d and L2/d ≤ 0.4. There is also device for producing magnetic field oriented along collector axis. Cavities of electrodes connected to semi-cylinders have their transverse dimensions exceeding transverse dimension d. Semi-cylinders may be enclosed by cylindrical bushing.EFFECT: enhanced efficiency, critical power, reliability, and service life of device.3 cl, 6 dwg

icrowave cavity resonator // 2287211
FIELD: microwave electronics.SUBSTANCE: proposed inductively frequency tuned microwave cavity resonator that can be used for O-type devices, such as klystrons, has inductive frequency tuning component made in the form of adjusting screw disposed in threaded through hole in resonator narrow wall; it contacts threaded sections of resonator wide walls at least on part of their length. Thread in sections of resonator wide walls is extension of that in hole of resonator narrow wall. Threaded sections of opposing wide walls can be also made in the form of projections facing one another and symmetrically disposed relative to resonator axis. Resonator is easily tuned and provides for repeatability of results and absence of stray electron secondary resonance.EFFECT: enhanced operating-frequency tuning range, resistance to mechanical impacts, and reliability; simplified design.6 cl, 8 dwg

-type microwave device with coaxial-line energy output // 2287202
FIELD: microwave electronic devices.SUBSTANCE: proposed M-type microwave device that has coaxially disposed energy output is characterized in high-power electromagnetic fields aiding in transfer of electrons from interaction area to region between internal and external conductors of coaxial-line energy output. This causes electron acceleration and set-up of secondary electron emission from energy output components. Disposed at inlet of coaxial section between external and internal conductors of coaxial-line energy output is disk whose diameter is equal to or greater than that of coaxial-line energy output external conductor, its function being to prevent transfer of electrons to area between external and internal conductors of coaxial-line energy output.EFFECT: enhanced output power of device; ability of preventing damage to and failure of energy output components and vacuum seal.1 cl, 4 dwg

Energy output of high-power microwave device // 2287201
FIELD: high-power microwave devices with coaxial-line or coaxial-waveguide energy outputs.SUBSTANCE: internal conductors of energy output and quarter-wave stub coaxial lines are made in the form of copper tubes accommodating stainless-steel tubes carrying cooling liquid such as distilled water. Stainless-steel tubes are joined together by means of bushing provided with segment-shaped cuts. These cuts are disposed symmetrically to bushing axis on opposite sides. Cylindrical part of bushing is joined with inner surface of external tube holding internal conductor of coaxial-line output.EFFECT: enhanced strength of energy output at high mean power of device.1 cl, 2 dwg

agnetic system // 2284599
FIELD: electrical engineering and measurement technology; nuclear magnetic resonance devices and instruments.SUBSTANCE: proposed magnetic system has plane-parallel plates and side plates connected to the latter and placed in closed magnetic circuit in the form of frame. Equal-size solid plane-parallel plates are made of magnetically soft material. Side plates are assembled of equal-size permanent-magnet wafers and magnetically soft wafers. Plane-parallel plates have main and additional through holes to receive expanding supports jointing all plates into single segment. Solid plane-parallel plate of preceding segment is joined with next one through expanding support to form next segments. Installed at sides of each segment are radiator fins that rigidly fix segments together to form single magnetic unit in the form of constant-field rectangular parallelepiped; projections are provided inside each segment along edges and sides of solid plane-parallel plates with air gaps in-between accommodating magnetic-field corrector and heat exchanger with chamber for nuclear magnetic resonance sensors and thermocouple sensors. Heat exchanger carrying casing and chamber is mounted in heat insulator and its top and bottom parts accommodate optical waveguides for passing optical and infrared radiation. Heat-exchanger hollow cylinder accommodates reflecting mirror and liquid test tube is installed on its bottom.EFFECT: simplified design, reduced size, facilitated maintenance, enhanced homogeneity of magnetic field.5 cl, 3 dwg

ethod for manufacturing input/output of uhf-device with jar window // 2268519
FIELD: uhf equipment engineering, in particular, engineering of powerful running wave lamps, klystrons and their hybrids.SUBSTANCE: method includes determining frequencies difference of parasite resonance of type H111(2) of unsynchronized and synchronized jar windows, volume of dielectric disk of unsynchronized jar windows is decreased in accordance to produced difference and equality of these frequencies is achieved with error not exceeding 0,5%.EFFECT: low level of voltage-based standing wave coefficient, around 1,1, of jar windows with any of disks, dielectric penetrability level of which is different from dielectric penetrability of disk, mounted within synchronized jar window.3 cl, 4 dwg

Sealed off electron gun for taking band electron flow from vacuum area of gun to atmosphere or other gaseous environment // 2267830
FIELD: electronic industry, in particular, engineering of sealed-off electron guns, providing irradiation by means of electron flow for objects, positioned in atmosphere or different gaseous environment, can be used, for example, for sterilization of medical tools.SUBSTANCE: sealed-off electron gun has coaxially positioned band cathode, first and second focusing electrodes electrically connected thereto, and body, all made in form of hollow metallic tubes of rectangular-shaped cross-section. In end portion of body, window for electron output is positioned, made in form of foil, connected to bearing base in tight vacuum-processed manner. In end walls of first and second focusing electrodes, rectangular apertures are made for letting through band electron stream. In each of wide side walls of first focusing electrode, positioned between second focusing electrode and gun body, two identically shaped and evenly long slits are made, positioned along axis parallel to longitudinal axis of cathode and made symmetrically relatively to plane, passing through axis of first focusing electrode perpendicularly to its wide side wall, while side edges of slits, positioned on the side of narrow side walls of first focusing electrode, are positioned in planes, coinciding with planes of side surfaces of cathode and at least one of longitudinal edges of each slit is positioned above the plane of emitting surface of aforementioned cathode.EFFECT: increased evenness of distribution of current density in zone of irradiated object along whole length of electron output window, increased efficiency of gun operation.5 cl, 7 dwg

Slow-wave structure of traveling-wave tube // 2263375
FIELD: electronic engineering.SUBSTANCE: proposed pin-type periodic slow-wave structure for traveling-wave tube has cluster of cells disposed along axis with period T, each of them being provided with case concentric to this axis and transit-time tube concentrically installed on pin within its space . Newly introduced in each cell are elements correcting disperse characteristic of slow-wave structure.EFFECT: improved disperse characteristic of slow-wave structure.7 cl, 18 dwg
 
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