| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 07/31/2013 | CN203103258U Heat shielding structure for travelling wave tube heat filament |
| 07/31/2013 | CN102339711B Magnetron capable of realizing miniaturization of microwave equipment |
| 07/24/2013 | CN103219210A Traveling wave tube coupler |
| 07/18/2013 | WO2013104637A1 Collector for a travelling wave tube and travelling wave tube having such a collector |
| 07/18/2013 | US20130180661 Microwave introducing mechanism, microwave plasma source and microwave plasma processing apparatus |
| 07/17/2013 | CN203071040U Electron gun shell structure resistant to temperature shock |
| 07/17/2013 | CN203071039U Hot cathode position stability maintaining structure |
| 07/17/2013 | CN103208408A Method for suppressing secondary electron emission coefficients |
| 07/17/2013 | CN103208407A Slow-wave device adopting circular arc body V-shaped waving micro-strip curve |
| 07/17/2013 | CN103208406A Artificial intelligent phase modulation injection locking continuous wave magnetron microwave source |
| 07/11/2013 | WO2013103100A1 Tungsten alloy, tungsten alloy part using same, discharge lamp, transmission tube, and magnetron |
| 07/11/2013 | DE102012100132A1 Auffänger für eine Wanderfeldröhre und Wanderfeldröhre mit einem solchen Auffänger Interceptor for a traveling wave tube and traveling wave tube with such a Interceptor |
| 07/11/2013 | DE102012000220A1 Device for controllable generation of free electrons i.e. microwaves, with controllable kinetic energy in magnetron, has field electrode connected with voltage source over electrical feed cable and surrounded by electron-emitting cathode |
| 07/10/2013 | CN203055852U Metalized ceramic insulating ring for magnetron |
| 07/10/2013 | CN203055851U Waveguide water cooling unit of microwave equipment |
| 07/04/2013 | DE102013200049A1 Mikrowellenerregtes Ultraviolettlampensystem mit Datenerfassungs- und Abfrageschaltung und Verfahren Microwave Manic ultraviolet lamp system with data acquisition and sampling circuit and method |
| 07/03/2013 | CN103187221A Low microwave loss surface composite coating for high-power traveling wave pipe and manufacturing method thereof |
| 07/03/2013 | CN102208308B Method for frame mounting of non-intercepting gridded electron gun of klystron |
| 06/27/2013 | WO2013094185A1 Magnetron, and microwave heating device |
| 06/26/2013 | CN103177918A Magnetron and plasma processing equipment |
| 06/26/2013 | CN103177917A Magnetron and magnetron sputtering device where magnetron is applied |
| 06/26/2013 | CN103177916A Magnetron and magnetron sputtering device |
| 06/13/2013 | WO2013084497A1 Magnetron and microwave-using equipment |
| 06/12/2013 | CN202996763U High-concentricity electronic gun outlet device for traveling wave tube |
| 06/12/2013 | CN202996762U A miniature impact-resistant fast-heated cathode heating filament assembly |
| 06/12/2013 | CN103151230A Long-pulse high conversion efficiency negative pole used for magnetron |
| 06/12/2013 | CN102315063B Input/output structure of broadband phase shift travelling wave tube |
| 06/12/2013 | CN101170039B 磁控管 Magnetron |
| 06/11/2013 | US8461762 Apparatus for magnetic and electrostatic confinement of plasma |
| 06/06/2013 | US20130140985 Resonator configuration for microwave generator |
| 06/05/2013 | CN103137399A Coaxial-extraction long-pulse relativistic backward-wave oscillator |
| 06/05/2013 | CN103137398A Multi-frequency shunt terahertz travelling wave tube frequency doubling device |
| 06/05/2013 | CN103137397A Electromagnet for magnetron |
| 06/05/2013 | CN102184826B Slow wave structure based on semiconductor-filled metal waveguide structure |
| 05/30/2013 | US20130134872 Magnetron Power Supply |
| 05/30/2013 | US20130134324 Compact high-voltage electron gun |
| 05/29/2013 | CN102044398B Distributed amplification gyro traveling wave tube amplifier |
| 05/28/2013 | US8450951 System and method for gyrotron power regulation |
| 05/23/2013 | US20130127337 Flexible Impedance Matching for a Microwave Generator Supplied with Pulse Current |
| 05/22/2013 | CN103117200A Slow-wave structure for traveling wave tubes on C wave bands and X wave bands |
| 05/21/2013 | CA2508075C Electron beam tubes |
| 05/16/2013 | DE102011086111A1 Anordnung zur Einspeisung von HF-Strom für Rohrkathoden Arrangement for supply of RF power for tube cathodes |
| 05/15/2013 | CN202940214U Travelling wave tube input/output interface |
| 05/15/2013 | CN202940213U Short absorber manufacturing tool |
| 05/15/2013 | CN202940212U Slow wave structure used for traveling wave tube |
| 05/15/2013 | CN202940211U Velocity modulation tube seat |
| 05/15/2013 | CN202940210U Heat shield with multi-slot structure |
| 05/15/2013 | CN102163528B Slow-wave structure of multiple-beam coupling cavity traveling-wave tube and manufacturing method of slow-wave structure |
| 05/08/2013 | DE102011085888A1 Coating a substrate with a mixing layer or an alloy layer by magnetron sputtering, by depositing two tube magnetrons that are arranged next to each other in a coating chamber, whose outer surfaces comprise a sputterable target material |
| 05/08/2013 | CN202930350U Magnetron anode |
| 05/08/2013 | CN103094026A Circuit for improving traveling wave tube amplifier filament service life |
| 05/08/2013 | CN103094025A High-power millimeter wave and terahertz source of radiation device |
| 05/08/2013 | CN101459026B Magnetron and method of manufacturing magnetron anode vane |
| 05/02/2013 | WO2013061063A1 Magnetron power supply filter |
| 05/01/2013 | CN202917427U Continuous wave magnetron |
| 05/01/2013 | CN103077872A Comb-shaped slow-wave structure for multi-band electron beam channel |
| 04/24/2013 | CN202905656U Anode structure applied to traveling wave tube electronic gun |
| 04/24/2013 | CN202905655U Longitudinal output gyrotron step-down collector structure |
| 04/24/2013 | CN102254771B Slow wave system of multi-travelling wave tube of coupling cavity |
| 04/18/2013 | US20130093321 Dielectric window for plasma processing apparatus, plasma processing apparatus and method for mounting dielectric window for plasma processing apparatus |
| 04/18/2013 | US20130093320 Electron accelerator having a coaxial cavity |
| 04/17/2013 | CN202888118U Rod control electronic gun structure used for dual mode travelling wave tube |
| 04/17/2013 | CN202888117U Cathode air-intake structure and travelling wave tube with the same |
| 04/17/2013 | CN202888116U Collector structure for space travelling wave tube |
| 04/17/2013 | CN202888115U Microwave drying magnetron cooling water supply and drainage apparatus |
| 04/17/2013 | CN202888114U Multilayer insulating heat shield structure |
| 04/17/2013 | CN202888113U Pole shoe sheet structure and millimeter-wave traveling wave tube |
| 04/17/2013 | CN103050356A High-power millimeter-wave and terahertz wave signal frequency multiplier device |
| 04/17/2013 | CN103050355A Slow wave structure applied to travelling wave tube |
| 04/17/2013 | CN103050354A Storage film-coating dipped barium-tungsten cathode and preparation method |
| 04/10/2013 | CN103035460A Slow wave structure of coplanar electromagnetic band-gap meander line microwave |
| 04/10/2013 | CN103035459A Slow wave structure used for traveling wave pipe |
| 04/10/2013 | CN103028859A Solder ring for magnetron cathode assembly, method for producing solder ring for magnetron cathode assembly and molybdenum end cap connecting with solder ring |
| 04/04/2013 | WO2013045183A1 Vacuum electron beam arrangement and method for producing an electrode therefor |
| 04/03/2013 | CN202855702U Microwave energy-conveying window structure |
| 04/03/2013 | CN202855701U Radial logarithm spiral waveguide slow-wave line |
| 04/03/2013 | CN202855700U Radial logarithmic spiral micro-strip slow wave line |
| 04/03/2013 | CN202855699U Zigzag waveguide slow-wave line |
| 04/03/2013 | CN202855698U External pipe heat dissipation component structure used for diffusion welding |
| 04/03/2013 | CN103021770A Internal-feedback-type terahertz traveling wave tube oscillator |
| 03/28/2013 | DE102011053949A1 Vakuum-Elektronenstrahlanordnung und Verfahren zur Herstellung einer Elektrode dafür Vacuum electron arrangement and method for producing an electrode for |
| 03/27/2013 | EP2572367A1 Electron tube |
| 03/27/2013 | CN202839527U Folding-frame slow-wave structure |
| 03/27/2013 | CN103003909A End hat for magnetron, process for producing same, and magnetron |
| 03/26/2013 | US8405326 Method and apparatus for generating ion beam |
| 03/20/2013 | CN102117725B Multi-stage depressed collector with lining grid and manufacturing method and application thereof |
| 03/13/2013 | CN202792899U Cooling water pipe device used in tunnel microwave drying machine |
| 03/13/2013 | CN102969213A Klystron tube socket |
| 03/13/2013 | CN102184825B Multi-stage depressed collector of strip-shaped electron beam traveling wave tube |
| 03/06/2013 | CN202772107U Microwave power output device of high power klystron |
| 03/06/2013 | CN102956418A Slow wave structure of folding frame |
| 02/27/2013 | CN202758843U Outlet dust shield |
| 02/27/2013 | CN102945781A Dual-mode multi-beam electronic gun for dual-mode traveling wave tube and method for controlling dual-mode multi-beam electronic gun |
| 02/20/2013 | CN102938358A Magnetron, sputtering cavity device and sputtering device |
| 02/20/2013 | CN102103960B Outer cylinder side opening type multistage depressed collector component and manufacturing method thereof |
| 02/13/2013 | CN101521134B 磁控管 Magnetron |
| 02/12/2013 | US8373304 Current-sharing supply circuit for driving multiple sets of DC loads |
| 02/06/2013 | EP2553706A1 Magnetron |
| 02/06/2013 | CN102915898A Zigzag waveguide slow-wave line |
| 02/06/2013 | CN101752167B Upper yoke plate structure of magnetron of microwave oven |