| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 09/13/2012 | WO2012120903A1 Magnetron and device utilizing microwaves |
| 09/13/2012 | WO2012120902A1 Magnetron and device using microwaves |
| 09/13/2012 | WO2012119786A1 Electron source for linear accelerators |
| 09/11/2012 | US8264173 Methods and systems for accelerating particles using induction to generate an electric field with a localized curl |
| 09/05/2012 | CN202423211U Cathode assembly welding structure for traveling wave tube |
| 09/05/2012 | CN102103961B Slow-wave assembly used for X-waveband 45-W spatial traveling wave tube |
| 09/05/2012 | CN102064068B Slow wave structure capable of reducing harmonic output of coupled cavity traveling wave tube |
| 09/05/2012 | CN101789351B Pole shoe used for slow-wave heat dissipation of millimeter traveling wave tube and production method thereof |
| 09/05/2012 | CN101775582B Method for controlling film thickness of attenuator |
| 09/04/2012 | US8258725 Hollow beam electron gun for use in a klystron |
| 09/04/2012 | US8258724 Variable inductor as downhole tuner |
| 08/22/2012 | CN102646565A Miniaturized power gain balancer |
| 08/16/2012 | WO2012107763A1 Filter for a magnetron power supply lead |
| 08/15/2012 | CN102637568A Strip-shaped beam cathode for terahertz power source device and preparation method of strip-shaped beam cathode |
| 08/15/2012 | CN102637567A Cathode salt, preparation method of cathode salt, barium tungsten cathode comprising cathode salt and preparation method of barium tungsten cathode |
| 08/15/2012 | CN102637566A Barium-tungsten cathode with high current density and preparation method of cathode |
| 08/15/2012 | CN102637565A Cathode of bar-controlled microwave tube and preparation method thereof |
| 08/08/2012 | CN102630332A Magnetron and apparatus that uses microwaves |
| 08/08/2012 | CN102630331A Magnetron and apparatus that uses microwaves |
| 08/08/2012 | CN102064069B Energy coupling device suitable for rectangular-crossed double-gate slow-wave structure |
| 08/07/2012 | US8237366 Output window with venting means for use with a vacuum electron device |
| 08/01/2012 | CN202363407U A slow wave component for coupling cavity traveling-wave tube |
| 08/01/2012 | CN202363406U Insulation bracket of travelling wave tube electron gun |
| 08/01/2012 | CN202363405U Improved two-stage depressed collector |
| 07/31/2012 | US8232716 Field emission cathode capable of amplifying electron beam and methods of controlling electron beam density |
| 07/26/2012 | WO2012098391A1 Electron tube |
| 07/25/2012 | CN202352608U Tapered ridge loading serpentine waveguide slow-wave line |
| 07/25/2012 | CN102610470A Magnetron and semiconductor equipment |
| 07/25/2012 | CN102605192A Preparation method for oxygen-free copper tube for magnetron |
| 07/18/2012 | CN202339896U 一种用于大功率多注行波管吸收器的阻抗匹配耦合器 A high-power multi-beam traveling wave tube absorber impedance matching coupler |
| 07/18/2012 | CN102598190A High frequency cathode heater supply for a microwave source |
| 07/18/2012 | CN102592924A Slow-wave system for Ka-band travelling wave tube and manufacturing method for slow-wave system |
| 07/18/2012 | CN101728183B Slow wave structure used for X-waveband space travelling wave tube |
| 07/11/2012 | CN102568985A Application of broadband high-power ridge waveguide seal window |
| 07/11/2012 | CN102568984A Multi-stage depressed collector adopting isotropic pyrographite and manufacturing method of multi-stage depressed collector |
| 07/11/2012 | CN102568983A Method for implementing dual-switch grid-control TWT (Traveling Wave Tube) modulator with high pulse repetition frequency and low power consumption on basis of MOS (Metal Oxide Semiconductor) tube |
| 07/11/2012 | CN101567291B Magnetron |
| 07/04/2012 | EP2472555A1 Device for the generation of hyperfrequency waves, comprising a plurality of magnetrons |
| 07/04/2012 | EP2472554A1 Microwave generating apparatus having a cathode, each extremity thereof being connected to a voltage source |
| 07/04/2012 | CN202307779U Externally-heated high-temperature traveling wave tube |
| 07/04/2012 | CN102543632A Energy transfer window used for X band space traveling wave tube |
| 07/04/2012 | CN102543631A Carbon-oxygen-free copper multi-stage depressed collector and manufacturing method thereof |
| 07/04/2012 | CN101908456B High-frequency structure and centering method for gyrotron amplifier |
| 07/04/2012 | CN101770921B Frequency-multiplier klystron and manufacture method thereof |
| 06/28/2012 | WO2012087951A2 Microwave choke system for use in heating articles under vacuum |
| 06/27/2012 | CN102522299A Electromagnetic band gap structure, electromagnetic band gap high-impedance substrate and planar travelling wave tube |
| 06/27/2012 | CN102522298A Oval sheet beam electron gun |
| 06/27/2012 | CN102522297A Porosity-controllable cathode and preparation method thereof |
| 06/27/2012 | CN101894724B V-shaped micro-strip meander-line slow wave structure |
| 06/20/2012 | CN102509687A PCMS (plasma discharge CROSSATRON modulator switch) transistor with grid auxiliary screens |
| 06/20/2012 | CN102509686A Broadband multi-waveguide output device for rotary traveling wave tube |
| 06/20/2012 | CN101937820B Sealing structure for window plate of gyrotron output window |
| 06/20/2012 | CN101770919B Slow wave line for travelling wave tube |
| 06/13/2012 | CN102496553A Device for providing microwave power generating source and controlling microwave power |
| 06/13/2012 | CN102496552A Shell for packaging microwave assembly and laser sealing method of shell |
| 05/30/2012 | CN202259148U Pole shoe structure of coupled-cavity traveling wave tube |
| 05/30/2012 | CN202259147U Pole piece structure of multi-beam coupled-cavity traveling-wave tube |
| 05/30/2012 | CN202259146U End cap assembly of four-stage depressed collector of traveling wave tube |
| 05/30/2012 | CN102054644B Fluctuant waveguide slow wave structure |
| 05/30/2012 | CN101982867B Method for improving gain flatness of coupling cavity traveling-wave tube |
| 05/30/2012 | CN101944469B Reversed-field permanent-magnet focusing system for multi-beam millimeter wave traveling-wave tubes and manufacturing method thereof |
| 05/30/2012 | CN101944467B Collector of traveling wave tube |
| 05/29/2012 | US8188445 Ion source |
| 05/23/2012 | EP2454748A1 Device for preventing parasitic oscillations in electron beam tubes |
| 05/22/2012 | US8183801 Interlaced multi-energy radiation sources |
| 05/22/2012 | US8183800 Induced voltage control device, its control method, charged particle beam orbit control device, and its control method |
| 05/15/2012 | US8179045 Slow wave structure having offset projections comprised of a metal-dielectric composite stack |
| 05/09/2012 | CN202217637U Cold water sleeve with fine heat dissipation |
| 05/09/2012 | CN102446676A Helix slow wave structure |
| 05/09/2012 | CN102446675A Collector inner core of space traveling wave tube and production technology of collector inner core |
| 05/02/2012 | CN102436995A Hall high voltage detection control method applied to traveling wave tube program control high voltage power supply |
| 05/01/2012 | US8169167 Methods for diagnosing and automatically controlling the operation of a particle accelerator |
| 05/01/2012 | US8169146 Metal halide lamp |
| 04/25/2012 | CN202205696U 一种场分布均匀的磁控管 A field distribution of the magnetron |
| 04/25/2012 | CN202205695U 一种输出功率高的磁控管 An output power of high-magnetron |
| 04/25/2012 | CN202205694U 一种可实现微波设备小型化的磁控管 Which can realize miniaturization of the magnetron microwave equipment |
| 04/25/2012 | CN202205693U 一种磁控管 A magnetron |
| 04/25/2012 | CN202205692U 磁控管冷却水套 Magnetron cooling water jacket |
| 04/25/2012 | CN101894723B 一种空间行波管收集极辐射散热器 A spatial traveling wave tube collector radiator |
| 04/24/2012 | US8164266 High pressure discharge lamp lighting apparatus |
| 04/19/2012 | WO2012048473A1 Method and system for temporal focusing and temporal alignment of ultra-short electron bunch |
| 04/17/2012 | US8159157 Nanotubes as linear accelerators |
| 04/11/2012 | CN101689462B 防止离子注入机中因三重接面击穿的不稳定的高压绝缘体 An ion implanter to prevent junction breakdown due to the unstable triplet high-voltage insulator |
| 04/04/2012 | CN202183354U 真空器件或密封装置内的大电流滑动接触装置 High current sliding contact arrangement vacuum devices or sealed within the device |
| 04/04/2012 | CN102403180A 一种分布作用太赫兹振荡器 Role in a distributed terahertz oscillator |
| 04/04/2012 | CN102403179A 一种高功率矩形截面带状注电子枪的结构 Rectangular cross-section of a high-power electron gun structure ribbon Note |
| 04/04/2012 | CN102403178A 一种行波管收集极组件及其装配工艺 One kind of traveling wave tube collector assembly and assembly process |
| 04/04/2012 | CN102403177A 一种行波管收集极针及其加工工艺 One kind of traveling wave tube collector pin and processing technology |
| 03/29/2012 | DE102007049735B4 Versorgungsendblock für ein Rohrmagnetron Supply terminal block for a tubular magnetron |
| 03/28/2012 | CN102394208A Dipped yttrium oxide-tungsten based yttrium and scandate cathode material and manufacturing method thereof |
| 03/27/2012 | US8143816 Power variator |
| 03/20/2012 | US8138692 Epicyclotron |
| 03/14/2012 | EP2427901A1 Multiple output cavities in sheet beam klystron |
| 03/14/2012 | EP2335266B1 Microwave tube with a device for extracting the ions generated in the tube |
| 03/14/2012 | CN202167448U 工业微波炉磁控管灯丝变压器调压模块 Industrial microwave oven magnetron filament transformer voltage regulator module |
| 03/14/2012 | CN202167447U 曲折加脊矩形槽波导慢波线 Twists plus ridge waveguide slow-wave line rectangular slot |
| 02/29/2012 | CN102087946B Structure for improving heating efficiency of cathode heater assembly and preparation method thereof |
| 02/22/2012 | EP2420448A1 Absorbing dome for a radiating collector tube |
| 02/22/2012 | CN202150440U Magnetron |
| 02/22/2012 | CN202150439U 一种宽带相移行波管的输入输出结构 Input-output structure of a broadband phase migration wave tube |