| Patents for H01J 23 - Details of transit-time tubes of the types covered by group (3,921) |
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| 03/12/2009 | WO2009014334A3 Magnetron |
| 03/11/2009 | EP2034507A1 Travelling-wave-tube wide band amplifier and corresponding method of fabrication |
| 03/11/2009 | CN101383253A Preparation for slow wave component of spiral line travelling-wave tube |
| 03/05/2009 | US20090058301 Magnetron device with mode converter and related methods |
| 02/25/2009 | CN100464623C Bonding and assembling process for slow wave circuit of microwave tube |
| 02/19/2009 | WO2009002736A3 High voltage insulator for preventing instability in an ion implanter due to triple-junction breakdown |
| 02/17/2009 | US7492868 Source of x-rays |
| 02/11/2009 | EP2023371A2 Magnetron |
| 02/11/2009 | EP2022072A2 Single layer construction for ultra small devices |
| 02/11/2009 | EP2022071A2 Plated multi-faceted reflector |
| 02/11/2009 | EP2022070A2 A focal plane array incorporating ultra-small resonant structures |
| 02/11/2009 | CN101364517A Terahertz radiation source |
| 02/11/2009 | CN101364516A Magnetron |
| 02/04/2009 | CN101359566A Anode body structure of microwave oven magnetron |
| 01/29/2009 | WO2009014334A2 Magnetron |
| 01/22/2009 | DE102008002459A1 Ultraviolettlampensystem sowie Verfahren zum Regeln des ausgesandten ultravioletten Lichts Ultraviolet lamp system and method for controlling the emitted ultraviolet light |
| 01/22/2009 | DE102008002458A1 Detektor für ein Ultraviolett-Lampensystem sowie entsprechendes Verfahren zum Überwachen von Mikrowellenenergie A detector for ultraviolet lamp system and corresponding method for monitoring the microwave energy |
| 01/21/2009 | EP2017874A2 Travelling wave tube configuration |
| 01/21/2009 | CN101350439A Method for mutually acting on multilevel anomalous doppler electric cyclotron maser |
| 01/13/2009 | US7477019 Electron beam tubes |
| 01/08/2009 | DE102007033823B3 Wanderfeldröhrenanordnung Traveling wave tube arrangement |
| 01/07/2009 | EP2010003A1 Resonant detector for optical signals |
| 01/07/2009 | EP1719146B1 Electron beam tubes |
| 01/06/2009 | US7474148 Amplifier comprising an electronic tube provided with collectors biased by at least two DC bias sources |
| 01/06/2009 | US7474042 Magnetron with graphite nano-fibers on cathode |
| 12/31/2008 | WO2009002736A2 High voltage insulator for preventing instability in an ion implanter due to triple-junction breakdown |
| 12/31/2008 | EP1485932B1 Magnetron arrangements |
| 12/31/2008 | CN100447933C Coaxial double-electron pouring cyclotron pipe with resonance cavity |
| 12/31/2008 | CN100447929C Rare-earth oxide secondary emitting material and method for preparing same |
| 12/30/2008 | US7471052 Cryogenic vacuumm RF feedthrough device |
| 12/24/2008 | CN101329976A Wave type choke groove for magnetron |
| 12/24/2008 | CN100446163C High voltage input apparatus for magnetron |
| 12/18/2008 | WO2008151469A1 Heating device and method using a pseudo-uniform electromagnetic field |
| 12/18/2008 | WO2008130436A3 Controlled transport system for an elliptic charged-particle beam |
| 12/17/2008 | CN101325275A Multilevel composite resonant cavity for electron cyclotron |
| 12/10/2008 | CN100442426C Antenna cover fixing structure of ionic centrifuge |
| 12/04/2008 | WO2008147289A1 Vircator |
| 12/03/2008 | CN101315858A Molybdenum strut of permatron and its production method |
| 12/02/2008 | US7459855 Low-spurious-radiation microwave tube |
| 11/27/2008 | WO2008142804A1 Ceramic part for magnetron, magnetron employing the same, and process for producing ceramic part for magnetron |
| 11/26/2008 | EP1155434B1 Crossed-field amplifier with multipactor suppression |
| 11/25/2008 | US7456577 Micro-wave tube with mechanical frequency tuning |
| 11/19/2008 | CN201153099Y Multi-stage step-down collector construction for microwave tube |
| 11/19/2008 | CN201153098Y Output coupling device construction for travelling-wave tube |
| 11/19/2008 | CN101308753A Magnetron |
| 11/19/2008 | CN101308751A Installation structure for magnetrons antennae cap body |
| 11/19/2008 | CN101308750A Exhausting pipe for magnetrons output device |
| 11/13/2008 | WO2008135064A1 Method and apparatus for collector sweeping control of an electron beam |
| 11/12/2008 | CN101303954A Cathode component for magnetron |
| 11/12/2008 | CN100433234C Magnetron for microwave ovens |
| 11/05/2008 | CN101299479A Grooving open resonant cavity for electron cyclotron |
| 11/05/2008 | CN101299477A Grooved waveguide for electron cyclotron |
| 11/04/2008 | US7446478 Klystron amplifier |
| 10/30/2008 | WO2008131313A2 Materials systems and methods for optoelectronic devices |
| 10/22/2008 | CN201138653Y Bimodule multi-pouring travelling-wave tube grid controlled electronic gun |
| 10/21/2008 | US7439661 Image display apparatus having ION pump including permanent magnet |
| 10/15/2008 | CN100426444C Composite casing of travelling-wave tube |
| 10/08/2008 | CN101281850A Magnetron and electromagnetic wave shielding gasket |
| 10/08/2008 | CN101281849A Apparatus for inhibiting multi-beam klystron higher harmonic mode oscillation and reducing sundry spectrum level |
| 10/08/2008 | CN101281848A Method and apparatus for eliminating high power case-shaped output window ghost mode |
| 10/07/2008 | US7432672 Variable radiofrequency power source for an accelerator guide |
| 10/01/2008 | CN101276723A 磁控管 Magnetron |
| 09/25/2008 | US20080231192 Electron beam drawing apparatus |
| 09/24/2008 | CN101271803A Helix TWT slow wave component and production method |
| 09/17/2008 | CN101266908A Multiple frequency range and high-power spiral line row wave tube with direct ridge waveguide output |
| 09/10/2008 | CN201112321Y Heat radiation water jacket for water cooling permatron |
| 09/03/2008 | EP1964146A1 Multi-beam klystron apparatus |
| 09/03/2008 | CN101256924A Method for assembling magnetron cathod and a melting contact metal for connecting filament and mo hat thereof |
| 08/26/2008 | US7417376 Linear electron beam tube having a dome shape RF window |
| 08/13/2008 | CN100411083C Coaxial energy delivery window for electric vacuum device and sealing method thereof |
| 07/10/2008 | WO2008008191B1 Method and apparatus for confining, neutralizing, compressing and accelerating an ion field |
| 07/10/2008 | US20080164816 Dynamic depressed collector |
| 07/09/2008 | CN201084688Y A magnetron microwave energy output unit |
| 07/09/2008 | CN201084687Y A magnetron choking coil |
| 07/09/2008 | CN201084686Y A magnetron tube shell |
| 07/09/2008 | CN201084685Y A magnetron anode assembly |
| 07/09/2008 | CN101217086A A processing techniques of magnetron anode resonant cavity |
| 07/03/2008 | WO2004100204A3 Low spurious radiation microwave tube |
| 07/02/2008 | CN100399494C Shielding structure of magnetron input part |
| 06/26/2008 | WO2006037918A3 Microwave generating device with oscillating virtual cathode |
| 06/26/2008 | WO2004114350A3 Progressive wave tube with improved efficiency |
| 06/26/2008 | DE102007062277A1 Schaltung zur Energieabschaltung für einen Wanderfeldröhrenkörper Circuit for power interruption for a traveling wave tube body |
| 06/25/2008 | CN101206985A Leakage-proof filter of permatron |
| 06/24/2008 | US7391145 Cold-cathode electron source, microwave tube using it, and production method thereof |
| 06/19/2008 | WO2008072834A1 Method for manufacturing anode of magnetron and mold therefor |
| 06/18/2008 | EP1933357A1 Magnetron |
| 06/10/2008 | US7384293 Breach lock mechanism for seating vacuum electron device |
| 06/05/2008 | US20080129203 Method and apparatus for radio frequency cavity |
| 05/28/2008 | EP1926348A2 Magnetron |
| 05/22/2008 | US20080116807 Magnetron |
| 05/20/2008 | CA2266230C Electron beam tubes |
| 05/14/2008 | CN201060841Y Choke coil of permatron |
| 05/14/2008 | CN201060840Y Main body of vacuum tube cathode support |
| 05/14/2008 | CN101178999A Anti-liquid structure of magnetrons output part |
| 05/14/2008 | CN101178609A Method and device for adjusting the electrical power supply of a magnetron, and installation for treatment of thermoplastic containers applying same |
| 05/08/2008 | DE102007049735A1 Sputter cathode has co-located power supply and liquid coolant in block for high vacuum coating assembly |
| 05/07/2008 | EP1702346B1 Klystron amplifier |
| 05/07/2008 | CN101174532A Magnetron |
| 05/06/2008 | US7368874 Dynamic depressed collector |
| 05/01/2008 | US20080100236 Multi-section particle accelerator with controlled beam current |