| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 08/24/2011 | CN201946558U 一种使用多种介质材料夹持杆的螺旋线夹持结构 A method of using a variety of dielectric material holding a coil wire rod holding structure |
| 08/24/2011 | CN201946557U 一种氢原子频标矩形磁控管微波腔 One of hydrogen atom frequency standard rectangular microwave cavity magnetron |
| 08/24/2011 | CN201946556U 一种三叶草慢波结构的周期永磁聚焦系统 Cycle one kind of clover permanent magnet focusing system slow-wave structure |
| 08/24/2011 | CN102163528A Slow-wave structure of multiple-beam coupling cavity traveling-wave tube and manufacturing method of slow-wave structure |
| 08/24/2011 | CN101673649B Assembling jig of millimeter wave traveling wave tube helix slow wave system and assembling method |
| 08/24/2011 | CN101572205B Zigzag slow-wave line of double ridged waveguide |
| 08/17/2011 | CN102157322A Coaxial dual-electron beam electron gun |
| 08/11/2011 | WO2011096890A1 Planar helix slow-wave structure with straight-edge connections |
| 08/10/2011 | CN102148117A Radiating fin of magnetron anode |
| 08/10/2011 | CN102148116A Radiating fin of magnetron |
| 08/10/2011 | CN101635244B Magnetron device |
| 08/10/2011 | CN101047095B Magnetron |
| 08/03/2011 | EP1579469B1 Micro-wave tube with mechanical frequency tuning |
| 08/03/2011 | CN201918353U 一种宽带行波管输能窗结构 Wideband TWT lose energy window structure |
| 08/03/2011 | CN201918352U 一种螺旋线慢波系统结构 One kind of helix slow wave system architecture |
| 08/03/2011 | CN201918351U 一种用于行波管小型化高压绝缘引线 A traveling wave tube miniaturized high-voltage insulated wire is used for |
| 08/03/2011 | CN201918350U 凹槽式微波磁控管用金属化陶瓷 Recessed metallized ceramic microwave magnetron |
| 08/03/2011 | CN201918349U 一种复合电子枪外筒结构 A composite structure of the outer tube electron gun |
| 08/03/2011 | CN201918348U 一种高精度定位杆控阴极结构 A high precision positioning control rod cathode structure |
| 08/03/2011 | CN101533747B Method for manufacturing helix line slow-wave system of wide frequency band traveling wave tube |
| 07/27/2011 | CN201910391U Metallized ceramic for symmetric microwave magnetron |
| 07/27/2011 | CN201910390U Easily-installed metalized ceramic for microwave magnetron |
| 07/27/2011 | CN201910389U Universal heat dissipation device for multistation traveling-wave tubes used in lab |
| 07/19/2011 | US7982179 Beam current calibration system |
| 07/13/2011 | EP1594150B1 Cold-cathode electron source, microwave tube using this, and its manufacturing method |
| 07/13/2011 | CN201898112U Eight-cavity small-power magnetron |
| 07/13/2011 | CN101527238B Field emission cold cathode |
| 07/06/2011 | CN201893314U Composite coupling cavity travelling wave tube pole shoe structure |
| 07/06/2011 | CN201893313U Positive pole control electron gun applied in millimeter-wave travelling wave tube |
| 07/06/2011 | CN201893312U Multi-injection cathode assembly |
| 07/06/2011 | CN102117725A Multi-stage depressed collector with lining grid and manufacturing method and application thereof |
| 07/06/2011 | CN102117724A Porous metal electrode for multistage depressed collector |
| 06/29/2011 | CN201887011U Energy coupling device suitable for rectangular staggered double grid slow-wave structure |
| 06/29/2011 | CN102110565A Electron gun frame for space travelling wave tube |
| 06/29/2011 | CN102110564A Four-stage depressed collector for space traveling-wave tube |
| 06/29/2011 | CN101707171B Device and technology for reducing thickness of surface oxidation layer of positive cylinder of permatron |
| 06/23/2011 | US20110148297 Multi-column electron beam exposure apparatus and magnetic field generation device |
| 06/22/2011 | EP2335266A1 Microwave tube with a device for extracting the ions generated in the tube |
| 06/22/2011 | CN201877399U Coil focusing traveling wave tube with integrated structure |
| 06/22/2011 | CN201877398U Energy coupling structure of broadband millimeter-wave traveling wave tube |
| 06/22/2011 | CN201877397U Energy coupling structure of multi-beam traveling wave tube |
| 06/22/2011 | CN201877396U K-waveband coaxial transmission structure |
| 06/22/2011 | CN201877395U Cup-shaped part directional output tool |
| 06/22/2011 | CN201877394U Circular waveguide slow wave structure of angular loading spiral lines |
| 06/22/2011 | CN201877393U Tuner for traveling wave tube |
| 06/22/2011 | CN201877392U Structure of periodic permanent magnetic focusing system for traveling wave tube |
| 06/22/2011 | CN201877391U Millimeter wave travelling wave tube electron gun structure |
| 06/22/2011 | CN201877390U Brazing structure of oxygen-free copper and ceramic |
| 06/22/2011 | CN102103961A Slow-wave assembly used for X-waveband 45-W spatial traveling wave tube |
| 06/22/2011 | CN102103960A Outer cylinder side opening type multistage depressed collector component and manufacturing method thereof |
| 06/22/2011 | CN101770918B Multi-traveling wave tube miniaturized electron gun |
| 06/22/2011 | CN101728181B Manufacture method of annular barium-tungsten cathode emitter |
| 06/16/2011 | WO2011021802A3 Electron beam generating apparatus |
| 06/15/2011 | EP1459347B1 Vacuum tube and method of manufacturing thereof |
| 06/15/2011 | CN102097270A Magnet group for magnetron sputtering electrode and sputtering apparatus |
| 06/15/2011 | CN101752168B Double-layer electrode for multi-level depressed collector and preparation process thereof |
| 06/15/2011 | CN101615553B Rectangular-grooved loading winding waveguide slow wave line |
| 06/09/2011 | WO2011067776A1 Circuit for compensating gain variation over operating frequency and/or temperature range |
| 06/08/2011 | CN201859829U Self-suction vacuum energy reclaiming structure |
| 06/08/2011 | CN201859828U High-order rectangular resonant cavity structure of multi-beam klystron |
| 06/08/2011 | CN201859827U Structure of electron gun of floated grid-controlled multiple-beam klystron |
| 06/08/2011 | CN102087946A Structure for improving heating efficiency of cathode heater assembly and preparation method thereof |
| 06/08/2011 | CN101452802B Choke for magnetron |
| 06/03/2011 | WO2011065030A1 Magnetron and apparatus that uses microwaves |
| 06/03/2011 | WO2011065027A1 Magnetron and apparatus that uses microwaves |
| 06/03/2011 | WO2011063787A1 Self-balancing rf plasma power supply |
| 06/01/2011 | CN201853671U Cooling water jacket of magnetron |
| 05/31/2011 | US7952640 Image pickup element module, and lens unit and portable electronic device using image pickup element modules |
| 05/31/2011 | US7952304 Radiation system |
| 05/26/2011 | WO2011022643A3 Crossed field device |
| 05/25/2011 | CN102074439A Circular-waveguide slow-wave structure for angularly loading spiral line |
| 05/25/2011 | CN102074438A Graphite composite multistage depressed collector and manufacturing method thereof |
| 05/19/2011 | WO2011058361A1 High frequency cathode heater supply for a microwave source |
| 05/19/2011 | WO2011058360A1 Isolation transformer for a cathode heater supply for a microwave source |
| 05/18/2011 | CN201838556U Energy coupling device suitable for winding double-comb slow wave structure |
| 05/18/2011 | CN201838555U High-frequency window applying molybdenum-copper-nickel alloy |
| 05/18/2011 | CN201838554U Slow wave structure used for multiple-beam travelling-wave tube |
| 05/18/2011 | CN201838553U Miniaturized three-stage depressed collector for multi-beam traveling wave tube |
| 05/18/2011 | CN201838552U Travelling wave tube collector |
| 05/18/2011 | CN102064069A Energy coupling device suitable for rectangular-crossed double-gate slow-wave structure |
| 05/18/2011 | CN102064068A Slow wave structure capable of reducing harmonic output of coupled cavity traveling wave tube |
| 05/11/2011 | CN102054646A Eight-cavity low-power magnetron and design steps thereof |
| 05/11/2011 | CN102054645A Wideband traveling wave tube slow wave system and fabrication method thereof |
| 05/11/2011 | CN102054644A Fluctuant waveguide slow wave structure |
| 05/11/2011 | CN101178999B Anti-liquid structure of magnetrons output part |
| 05/04/2011 | CN201820735U Waveguide instrument for traveling-wave tube |
| 05/04/2011 | CN201820734U Slow wave component of Ku wave band pulse travelling wave tube and Ku wave band pulse travelling wave |
| 05/04/2011 | CN201820733U Passive coaxial gain balancer of travelling wave pipe |
| 05/04/2011 | CN102044399A Magnetron for microwave oven |
| 05/04/2011 | CN102044398A Distributed amplification gyro traveling wave tube amplifier |
| 05/04/2011 | CN101652829B Ceramic part for magnetron, magnetron employing the same, and process for producing ceramic part for magnetron |
| 05/04/2011 | CN101174532B Magnetron |
| 04/20/2011 | CN102024652A Electronic frequency tuning magnetron |
| 04/20/2011 | CN102024651A Time focusing and time collimating method and device of ultra-short electron beam bunch |
| 04/20/2011 | CN102024650A Heater structure of magnetron injection gun |
| 04/14/2011 | US20110084606 Device for the generation of microwaves |
| 04/13/2011 | EP1719148B1 Collector arrangement |
| 04/13/2011 | CN201796850U V-shaped micro-strip meander-line slow wave structure |
| 04/13/2011 | CN102013375A Energy coupling device suitable for winding double comb teeth slow wave structure |
| 04/13/2011 | CN101630621B Magnetron tube core without exhaust tube |