| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 09/27/2001 | US20010024091 Electron tube device mounted with a cold cathode and a method of impressing voltages on electrodes of the electron tube device |
| 09/27/2001 | DE10013634A1 cathode ray tube has a grating fitted against the surface of the cathode to determine emission surface |
| 09/26/2001 | EP1135976A1 Internally cooled linear accelerator and drift tubes |
| 09/26/2001 | CN2450791Y High power microwave window of conic change structure |
| 09/25/2001 | US6294868 Electron gun for electron tube with cold cathode |
| 09/19/2001 | CN1314068A Magnetron drive power supply |
| 09/18/2001 | US6291935 Collector structure having a loss ceramic member |
| 09/13/2001 | US20010020890 High voltage resistance, particularly for current limitation in a microwave progressive wave tube emitter |
| 09/12/2001 | EP1131874A1 Load protection system in a power modulator |
| 09/12/2001 | EP1131840A1 Low-power wide-bandwidth klystron |
| 09/12/2001 | EP1131839A1 Ceramic electron collector assembly having metal sleeve for high temperature operation |
| 09/11/2001 | US6288886 High voltage capacitor and magnetron |
| 09/05/2001 | EP1129465A1 High voltage standoff, current regulating, hollow electron beam switch tube |
| 09/04/2001 | US6283812 Process for fabricating article comprising aligned truncated carbon nanotubes |
| 08/30/2001 | US20010017521 Collector structure of traveling wave tube |
| 08/23/2001 | WO2001061723A1 Voltage reducing means for linear beam device having multi-stage depressed collector |
| 08/23/2001 | US20010015509 Uniformly dispersed ceramic slurry without excessively damaging a ceramic powder, and a method of producing a ceramic slurry composition used for producing a multilayer ceramic electronic part, from which an undissolved binder is precisely |
| 08/22/2001 | EP1126479A1 High Tension Resistor, specifically for Current Limiting Purposes within an Travelling Wave High Frequency Transmitter Tube |
| 08/16/2001 | WO2001059802A1 Transducer with field emitter array |
| 08/16/2001 | US20010013757 Broadband, inverted slot mode, coupled cavity circuit |
| 08/16/2001 | EP0824758B1 Grid electron gun |
| 08/15/2001 | CN1308769A Multibeam electronic tube with magnetic field for correcting beam trajectory |
| 08/09/2001 | WO2001057906A2 Collector |
| 08/09/2001 | WO2001057903A2 Input circuit for rf amplifier |
| 08/09/2001 | US20010011924 Linear amplifier having discrete resonant circuit elements and providing near-constant efficiency across a wide range of output power |
| 08/08/2001 | CA2334423A1 High voltage resistance, especially for current limitation in travelling-wave hyperfrequency tube transmitter |
| 08/01/2001 | CN1306294A Magnetron |
| 07/17/2001 | US6262536 Crowbar circuit for linear beam device having multi-stage depressed collector |
| 07/10/2001 | US6259208 Optical tuning of magnetron using leaky light structure |
| 07/10/2001 | US6259207 Waveguide series resonant cavity for enhancing efficiency and bandwidth in a klystron |
| 07/04/2001 | EP1113481A1 Magnetron |
| 06/28/2001 | WO2001046985A2 Magnetron arrangement |
| 06/28/2001 | WO2001046981A2 Magnetron anodes |
| 06/27/2001 | CN1301033A Electromagnetic wave generator |
| 06/27/2001 | CN1067798C Grid electron tube with improved performance characteristics |
| 06/26/2001 | US6250984 Article comprising enhanced nanotube emitter structure and process for fabricating article |
| 06/21/2001 | US20010004192 Magnetron |
| 06/13/2001 | EP1106035A1 Magnetron drive power supply |
| 06/13/2001 | EP1105907A1 Travelling wave tube configuration |
| 06/07/2001 | WO2001041177A2 Production of a microwave device by applying a coating of yttrium-iron-garnet to the surface of the device to suppress secondary electron emission |
| 05/23/2001 | EP1101240A1 Waveguide series resonant cavity for enhancing efficiency and bandwidth in a linear beam tube |
| 05/23/2001 | CN1296281A Noice filter for magnetron and method for making the same |
| 05/22/2001 | US6236161 Crossed-field device |
| 05/16/2001 | EP1100106A2 Article comprising aligned nanowires and process for fabricating article |
| 05/15/2001 | US6232721 Inductive output tube (IOT) amplifier system |
| 05/10/2001 | WO2001033599A1 Dual-band rf power tube with shared collector and associated method |
| 05/09/2001 | CN1294750A Magnetron |
| 05/09/2001 | CN1065649C 磁控管 Magnetron |
| 05/09/2001 | CN1065648C 磁控管 Magnetron |
| 05/08/2001 | US6229262 Electronic power conditioner anode voltage control |
| 05/02/2001 | EP1096539A2 Traveling wave tube system with output waveguide-coupler termination |
| 05/02/2001 | EP1096538A1 Noise filter for magnetron and method of forming noise filter |
| 05/02/2001 | EP1095390A1 Multibeam electronic tube with magnetic field for correcting beam trajectory |
| 04/25/2001 | EP1094488A2 Protection circuit for traveling wave tubes having multiple input tones |
| 04/25/2001 | CN1292928A M-type microwave device |
| 04/24/2001 | US6222319 Magnetron apparatus having a segmented anode edges and manufacturing method |
| 04/18/2001 | EP1093154A2 Magnetron with cooling system for substrate processing system |
| 04/18/2001 | CA2322254A1 Article comprising aligned nanowires and process for fabricating article |
| 04/12/2001 | WO2001026178A1 High frequency apparatus |
| 04/11/2001 | CN1290955A Heat-storage travelling wave tube |
| 04/04/2001 | EP1047099A4 Magnetron |
| 04/04/2001 | CN1290398A Electronic tube grid with axial beam |
| 03/28/2001 | EP1054430A4 M-type microwave device |
| 03/28/2001 | CN1289141A Equalizer ring in magneltron |
| 03/27/2001 | US6208079 Circumferentially-segmented collector usable with a TWT |
| 03/27/2001 | US6207026 Cooling system coupled to process chamber comprising cooling cavity, rotating member disposed therein having upper and lower surfaces with two or more magnet pieces disposed between surfaces, motor coupled to rotating member, deflection member |
| 03/21/2001 | CN1288593A Cooling device for an infrared detector |
| 03/20/2001 | US6204601 Device for controlling a magnetron filament current based on detected dynamic impedance |
| 03/07/2001 | CN1062976C Electronic beam tube |
| 03/07/2001 | CN1062975C Electron beam tubes |
| 02/20/2001 | US6191651 Inductive output amplifier output cavity structure |
| 02/20/2001 | US6191527 Stress relieved filament support assembly |
| 01/30/2001 | US6179976 Surface treatment and method for applying surface treatment to suppress secondary electron emission |
| 01/25/2001 | WO2001006532A1 Multiple beam regenerating amplifier with electromagnetic oscillations |
| 01/23/2001 | US6177764 Methods and apparatus for the closed loop control of magnetron current |
| 01/17/2001 | EP1069588A2 Field emitting device comprising metalized nanostructures and method for making the same |
| 01/17/2001 | EP1069587A2 Field emitting device comprising field-concentrating nanoconductor assembly and method for making the same |
| 01/17/2001 | EP1068627A1 Inductive output amplifier output cavity structure |
| 01/10/2001 | EP1066534A1 Vector network analyser |
| 01/09/2001 | US6172463 Internally cooled linear accelerator and drift tubes |
| 01/04/2001 | WO2000028797A9 Internally cooled linear accelerator and drift tubes |
| 01/02/2001 | CA2157611C Self-balancing bipolar air ionizer |
| 12/28/2000 | WO2000079650A1 Compact transmission module |
| 12/27/2000 | CN1059981C Electron beam tubes |
| 12/27/2000 | CN1059980C Electron beam tube arrangement |
| 12/21/2000 | WO2000078099A1 Magnetron drive power supply |
| 12/21/2000 | WO2000077818A1 Travelling wave tube configuration |
| 12/19/2000 | US6163112 Device for quick frequency tuning of a microwave tube using a direct sensing means |
| 12/12/2000 | CA2166507C Field emission devices employing activated diamond particle emitters and methods for making same |
| 11/29/2000 | EP1055246A1 Electronic tube grid with axial beam |
| 11/22/2000 | EP1054430A1 M-type microwave device |
| 11/14/2000 | US6147447 Electronic gun for multibeam electron tube and multibeam electron tube with the electron gun |
| 11/02/2000 | EP1048073A1 Cooling device for an infrared detector |
| 10/26/2000 | WO2000063944A1 Oil-cooled multi-staged collector |
| 10/26/2000 | WO2000039832A3 Multiband travelling wave tube of reduced length capable of high power functioning |
| 10/25/2000 | EP1047099A1 Magnetron |
| 10/25/2000 | EP1047098A1 Fabrication of traveling wave tube barrels using precision track forming |
| 10/18/2000 | EP1044379A1 Method for optimizing the magnetic field of a periodic permanent magnet focusing device |
| 10/17/2000 | US6133786 Low impedance grid-anode interaction region for an inductive output amplifier |
| 10/04/2000 | CN1268765A Electron-beam tube |