| Patents for H01J 21 - Vacuum tubes (739) |
|---|
| 04/12/2006 | CN1250451C Non-crystal diamond material |
| 04/06/2006 | US20060072427 Information storage |
| 03/23/2006 | US20060063461 Tetraode field-emission display and method of fabricating the same |
| 03/23/2006 | US20060060835 Method for increasing efficiency of thermotunnel devices |
| 03/09/2006 | US20060049741 Process for improving the emission of electron field emitters |
| 03/08/2006 | EP1632981A1 Electron multiplier |
| 03/08/2006 | CN1745431A Information storage |
| 03/02/2006 | US20060044036 Logical operation element field emission emitter and logical operation circuit |
| 03/02/2006 | US20060043891 Coplanar discharge faceplates for plasma display panel providing adapted surface potential distribution |
| 02/28/2006 | US7005783 Solid state vacuum devices and method for making the same |
| 02/16/2006 | US20060033414 Electron emission device with grid electrode |
| 02/16/2006 | US20060033413 Electron emission device |
| 02/07/2006 | US6995502 Solid state vacuum devices and method for making the same |
| 01/17/2006 | US6987027 Microscale vacuum tube device and method for making same |
| 01/12/2006 | US20060006515 Conical housing |
| 01/04/2006 | EP1612492A1 Thermal transfer device and method of manufacturing and operating same |
| 12/29/2005 | US20050285541 Electron beam RF amplifier and emitter |
| 12/29/2005 | US20050285504 Apparatuses for providing uniform electron beams from field emission displays |
| 12/29/2005 | US20050285502 Electric field emission device having a triode structure fabricated by using an anodic oxidation process and method for fabricating same |
| 12/14/2005 | EP1153408B1 Field emitter array with enhanced performance |
| 12/07/2005 | EP1603242A1 Logical operation element using field-emission micro electron emitter and logical operation circuit |
| 12/06/2005 | US6971165 Method for fabrication of separators for electrode pairs in diodes |
| 11/10/2005 | US20050247929 Nanotube-based vacuum devices |
| 10/20/2005 | US20050231098 Tetraode field-emission display and method of fabricating the same |
| 10/20/2005 | US20050231090 Tetraode field-emission display and method of fabricating the same |
| 10/20/2005 | US20050231089 Mesh structure of tetraode field-emission display and method of fabricating the same |
| 10/20/2005 | US20050231088 Mesh structure of tetraode field-emission display and method of fabricating the same |
| 10/19/2005 | CN1685460A Electric field emission device having a triode structure fabricated by using an anodic oxidation process and method for fabricating same |
| 09/06/2005 | US6940231 Apparatuses for providing uniform electron beams from field emission displays |
| 08/24/2005 | EP1565925A2 Method for increasing efficiency of thermotunnel devices |
| 08/11/2005 | WO2005008711A3 Electron emission device |
| 07/28/2005 | US20050161668 Nanotube-based vacuum devices |
| 07/21/2005 | WO2005008715A3 Display device |
| 07/21/2005 | US20050156521 Optical modulator of electron beam |
| 07/20/2005 | CN1643648A Light source |
| 07/12/2005 | US6917157 Electrode for electron source, method for producing the same, and electronic tube using the same |
| 06/28/2005 | US6911768 Tunneling emitter with nanohole openings |
| 06/09/2005 | US20050122033 Dielectric light device |
| 06/07/2005 | US6902458 Silicon-based dielectric tunneling emitter |
| 06/02/2005 | US20050116600 Field emission display having grid plate with multi-layered structure |
| 05/26/2005 | US20050110001 Tunneling emitter with nanohole openings |
| 05/18/2005 | CN1617027A Surface light source device, method of manufacturing the same and display apparatus having the same |
| 05/18/2005 | CN1202576C Vacuum field effect transistor |
| 05/12/2005 | US20050099107 Surface light source device, method of manufacturing the same and display apparatus having the same |
| 05/05/2005 | US20050093418 Light source |
| 04/19/2005 | US6882100 Dielectric light device |
| 04/06/2005 | EP1521230A2 Electron emitter display device having micro-display array, amplifying circuit, memory device, analog switch, and current control unit |
| 04/05/2005 | US6876344 Flat thermionic emission screen and with integrated anode control device |
| 03/23/2005 | CN1599002A Method of manufacturing electron-emitting device and method of manufacturing image display apparatus |
| 03/10/2005 | WO2004049379A8 Method for increasing efficiency of thermotunnel devices |
| 02/09/2005 | EP1505622A2 Method of manufacturing electron-emitting device and method of manufacturing image display apparatus |
| 02/09/2005 | CN2678120Y Field-emission vacuum high-frequency launch tube |
| 02/03/2005 | WO2004045267A3 Improved microscale vacuum tube device and method for making same |
| 02/03/2005 | WO2004032275A3 Improved on-chip vacuum microtube device and method for making such device |
| 02/02/2005 | EP1502281A2 Light source |
| 01/27/2005 | WO2005008715A2 Display device |
| 01/27/2005 | WO2005008711A2 Electron emission device |
| 01/27/2005 | US20050018467 Electron emission device |
| 01/27/2005 | US20050017651 Method of manufacturing electron-emitting device and method of manufacturing image display apparatus |
| 01/27/2005 | US20050017648 Display device |
| 01/19/2005 | CN1565966A Non-crystal diamond material and manufacturing method and application thereof |
| 01/11/2005 | US6841794 Dielectric emitter with PN junction |
| 12/29/2004 | WO2004114314A1 Information storage |
| 11/23/2004 | US6822241 Emitter device with focusing columns |
| 11/16/2004 | US6817916 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
| 11/11/2004 | WO2003075309A3 Light source |
| 11/11/2004 | US20040224081 Method for carbon nanotube emitter surface treatment |
| 11/11/2004 | US20040222729 Tunneling emitter |
| 11/04/2004 | US20040218110 Switching element and display device comprising the same |
| 10/28/2004 | US20040213098 Focus-detecting emitter for a data storage device |
| 10/28/2004 | US20040212315 Method and apparatuses for providing uniform electron beams from field emission displays |
| 10/28/2004 | US20040211975 Method of making a tunneling emitter |
| 10/27/2004 | EP1384244B1 Tunneling emitter |
| 10/20/2004 | CN1539152A Tunneling emitter |
| 10/19/2004 | US6806488 Tunneling emitters and method of making |
| 10/13/2004 | CN1537317A Switching element and display device with the same |
| 10/13/2004 | CN1171276C Thermo electric converters |
| 10/12/2004 | US6803725 On-chip vacuum microtube device and method for making such device |
| 10/07/2004 | US20040196674 Integrated circuit |
| 09/30/2004 | US20040189141 Thermionic vacuum diode device with adjustable electrodes |
| 09/22/2004 | EP1240658B1 Field emission device having surface passivation layer |
| 09/16/2004 | WO2004079910A1 Logical operation element using field-emission micro electron emitter and logical operation circuit |
| 09/15/2004 | EP1458007A2 Thermionic electric converters |
| 09/01/2004 | EP1453074A2 Dielectric emitter with PN junction |
| 08/25/2004 | EP1147538B1 Method of driving a structure comprising a field emission electron source |
| 08/24/2004 | US6781146 Annealed tunneling emitter |
| 08/19/2004 | US20040159829 Dielectric emitter with PN junction |
| 08/18/2004 | CN1522454A Silicon-based dielectric tunneling emitter |
| 07/22/2004 | WO2004049379A3 Method for increasing efficiency of thermotunnel devices |
| 07/22/2004 | US20040140748 Silicon-based dielectric tunneling emitter |
| 07/21/2004 | CN1515016A Focusing lens for electron emitter |
| 07/15/2004 | WO2004059683A1 Field-radiating cathode and methods for the production thereof |
| 07/14/2004 | CN2625096Y Tong head of drop pit cold welding tong |
| 06/22/2004 | US6753544 Silicon-based dielectric tunneling emitter |
| 06/10/2004 | WO2004049379A2 Method for increasing efficiency of thermotunnel devices |
| 06/10/2004 | US20040108550 On-chip vacuum microtube device and method for making such device |
| 06/09/2004 | CN2620377Y Composite high-power electronic tube |
| 06/08/2004 | US6747863 Electrostatic drive |
| 06/03/2004 | WO2004045267A2 Improved microscale vacuum tube device and method for making same |
| 05/25/2004 | US6741016 Focusing lens for electron emitter with shield layer |