Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 23 - Details of transit-time tubes of the types covered by group
Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921)
01/2013
01/31/2013WO2013014109A1 Semiconductor device for electron emission in a vacuum
01/30/2013CN102903588A Radial logarithmic helix waveguide slow wave line and processing method thereof
01/30/2013CN102903587A Radial logarithmic spiral micro-stripe slow wave line
01/30/2013CN102214540B Wide-pulse low-loss negative voltage modulator for control electrode of space traveling wave tube
01/23/2013CN202695372U Composite conduction structure of high thermal conduction material
01/23/2013CN102891058A Encapsulating structure of electronic element
01/23/2013CN101640154B Positive pole radiating fin of magnetron
01/23/2013CN101640153B Radiating fin of magnetron
01/16/2013EP2546861A1 Magnetron, and device using microwaves
01/16/2013CN202678274U High average output power box-type output window of large power klystron
01/16/2013CN202678273U Millimeter waveband traveling wave tube coaxial output window structure
01/16/2013CN202678272U An air-cooled collector heat dissipating structure
01/16/2013CN202678271U Novel traveling wave tube collector
01/16/2013CN102881544A Depressed collector structure of longitudinal output gyrotron
01/09/2013CN102868011A Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier
01/09/2013CN102867716A Diamond-metal compound type clamping rod for travelling wave tube and manufacture method of diamond-metal compound type clamping rod
01/02/2013CN102859633A Electron tube
01/02/2013CN102859632A End hat for magnetron and method for producing same, and magnetron
01/02/2013CN102856623A 3/4 lambda wavelength output resonant cavity of radio-frequency broadband high-power valve amplifier
01/02/2013CN101364516B 磁控管 Magnetron
01/01/2013US8344626 Electron beam tube output transition including a rectangular to conical waveguide transition with conical internal propagation surfaces
12/2012
12/27/2012WO2012176293A1 Method for varying oscillation frequency of high-frequency oscillator
12/27/2012WO2012087951A3 Microwave choke system for use in heating articles under vacuum
12/27/2012DE112010000022T5 Elektronenstrahlerzeugungsvorrichtung Electron beam generating device
12/26/2012CN202633208U Large power traveling wave tube helix and low microwave loss surface composite coating thereof
12/25/2012US8339071 Particle accelerator having wide energy control range
12/20/2012WO2012173864A1 Systems and methods to generate a self-confined high density air plasma
12/20/2012US20120319580 Rf resonator cavity and accelerator
12/20/2012CA2839379A1 Systems and methods to generate a self-confined high density air plasma
12/19/2012CN202616184U Water jacket for cooling microwave magnetron
12/19/2012CN102832090A Hot carrier assembly used for space traveling-wave tube and preparation method thereof
12/19/2012CN102110565B Electron gun frame for space travelling wave tube
12/13/2012WO2012168695A1 Magnetron filter
12/12/2012CN202601552U Alarm indicating circuit of carbonizing power supply of microwave oven magnetron
12/12/2012CN202601551U Microwave cavity used for hydrogen atom frequency scale
12/12/2012CN102822937A 磁控管 Magnetron
12/12/2012CN102820195A Antenna seal cap of magnetron
12/12/2012CN102820194A Cathode ceramic structure of magnetron
12/12/2012CN102820193A Cathode part structure of magnetron
12/12/2012CN102820192A Radiating fin of anode of magnetron
12/12/2012CN101350439B Method for mutually acting on multilevel anomalous doppler electric cyclotron maser
12/11/2012US8330372 Slow wave structures using twisted waveguides for charged particle applications
12/05/2012CN202585322U Miniaturized power gain equalizer
12/05/2012CN202585321U Shielding structure of microwave equipment magnetron
12/05/2012CN102810443A Space travelling wave tube collector component and assembly method thereof
12/05/2012CN102806348A Method for manufacturing space traveling wave tube from porous titanium material
12/05/2012CN102013375B Energy coupling device suitable for winding double comb teeth slow wave structure
11/2012
11/28/2012CN202564170U Miniaturization structure of collector leading wire insulator
11/28/2012CN102800545A Cathode-adjustable single anode magnetic control electron gun
11/28/2012CN102800544A Dual-anode magnetic control electronic gun with adjustable cathode
11/28/2012CN102800543A Lanthanum tungsten cathode for magnetron of micro-wave oven and preparation technology thereof
11/28/2012CN102800542A Yttrium cathode for magnetron tungsten of microwave oven and preparation process thereof
11/28/2012CN102796931A Rhenium-tungsten-yttrium cathode for microwave oven magnetron and preparation technique thereof
11/21/2012CN202549783U Microwave excitation chamber device
11/21/2012CN202549782U Microwave excitation cavity apparatus
11/21/2012CN202549781U Microwave excitation cavity apparatus
11/21/2012CN202549780U Microwave excitation cavity device
11/21/2012CN202549779U Microwave exciting chamber device
11/21/2012CN202549778U Microwave exciting chamber device
11/21/2012CN202549777U Microwave excitation cavity device
11/21/2012CN202549776U Traveling wave tube periodic permanent magnet focusing structure
11/21/2012CN202549775U Magnetron cooling sleeve
11/21/2012CN102792415A Magnetron and microwave-using device
11/21/2012CN102789939A Energy output structure of panel vacuum electron device
11/21/2012CN102789938A Magnetron, manufacturing method of magnetron and physical deposition room
11/15/2012US20120286657 Planar helix slow-wave structure with straight-edge connections
11/14/2012CN202534626U Cathode supporting structure used for microwave tube
11/14/2012CN102208315B Compact relativity backward wave oscillator (RBWO) with adjustable low-frequency-range frequency
11/14/2012CN102184827B Method for improving voltage parameter consistency of filaments of traveling wave tubes
11/08/2012US20120280619 High frequency cathode heater supply for a microwave source
11/07/2012CN202523671U Choking coil component for frequency conversion magnetron
11/07/2012CN102768928A Cathode salt, preparation method thereof, barium-tungsten cathode containing cathode salt and preparation method of barium-tungsten cathode
11/07/2012CN102157322B Coaxial dual-electron beam electron gun
11/07/2012CN102074439B Circular-waveguide slow-wave structure for angularly loading spiral line
10/2012
10/31/2012CN202513122U Electronic band gap structure, high impedance substrate with electronic band gaps and planar travelling wave tube
10/31/2012CN101994092B Magnetron device
10/24/2012CN102751153A Interchangeability design method for domestic satellite-mounted travelling-wave tube amplifier and imported satellite-mounted travelling-wave tube amplifier
10/24/2012CN102751149A Long-period cathode for space traveling wave tube and preparation method of long-period cathode
10/24/2012CN101834106B Tungsten-based impregnated cathode and preparation method thereof
10/23/2012US8294367 System and apparatus for cathodoluminescent lighting
10/17/2012CN202495416U S band 10% bandwidth high power klystron
10/17/2012CN102737929A Filter loading broadband three-gap coupling output cavity structure
10/17/2012CN102737928A Magnetic pole component, magnetron provided with magnetic pole component, sputtering chamber apparatus, and substrate processing device
10/17/2012CN102737927A Double electron beam electron gun and gyrotron
10/17/2012CN102737926A Magnetron
10/17/2012CN101840833B Ceramic lead for high-power pulsed magnetron
10/10/2012EP2509095A1 Magnetron and apparatus that uses microwaves
10/10/2012EP2509094A1 Magnetron and apparatus that uses microwaves
10/10/2012CN102723250A Pitch hopping spiral line for slow wave system of traveling wave tube
10/10/2012CN102721088A Magnetron used in microwave oven
10/10/2012CN101276723B Magnetron
10/03/2012CN102709665A Tunable quasi-optical resonant cavity for gyrotron
10/02/2012US8280684 Diagnostic methods and apparatus for an accelerator using induction to generate an electric field with a localized curl
09/2012
09/26/2012CN202454524U Giant large power high sound quality audio power amplification electronic tube
09/26/2012CN102693891A Magnetron
09/26/2012CN102074438B Graphite composite multistage depressed collector and manufacturing method thereof
09/25/2012US8274243 Particle beam treatment apparatus and respiration navigation apparatus used therefor
09/19/2012EP2499650A1 High frequency cathode heater supply for a microwave source
09/19/2012CN102683141A Integrated traveling-wave tube amplifier
09/19/2012CN102683135A Velvet composite cathode material and method for manufacturing same
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