| Patents for H01J 21 - Vacuum tubes (739) |
|---|
| 05/19/2004 | CN1497237A Position sensor based on capacity |
| 05/19/2004 | CN1150568C Electron beam irradiation equipment |
| 04/22/2004 | US20040075379 Adjusting, spacing and bonding layers of cathodes comprising emitters, barriers having apertures and anodes receivers, to form electrical and electronic apparatus, used in radars, communication, weapons or controllers |
| 04/15/2004 | WO2004032275A2 Improved on-chip vacuum microtube device and method for making such device |
| 04/14/2004 | CN1489174A Improved heat-electric convertor |
| 04/13/2004 | US6720704 Thermionic vacuum diode device with adjustable electrodes |
| 04/08/2004 | US20040065843 Emitter device with focusing columns |
| 04/07/2004 | EP1406285A2 Emitter device with focusing columns |
| 04/07/2004 | EP1406284A2 Tunneling emitter with nanohole openings |
| 03/23/2004 | CA2351037C Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
| 03/11/2004 | US20040046491 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
| 03/10/2004 | EP1396005A2 Focusing lens for electron emitter |
| 02/05/2004 | WO2004012218A1 Electric field emission device having a triode structure fabricated by using an anodic oxidation process and method for fabricating same |
| 01/28/2004 | EP1384244A2 Tunneling emitter |
| 01/28/2004 | EP1384243A2 Silicon-based dielectric tunneling emitter |
| 01/22/2004 | US20040012338 Emitter with dielectric layer having implanted conducting centers |
| 01/21/2004 | EP1383152A2 Emitter with dielectric layer having implanted conducting centers |
| 11/05/2003 | EP1018210A4 Diode device |
| 11/04/2003 | US6643248 Data storage device |
| 10/29/2003 | EP1356489A2 Process for manufacturing electron field emitters |
| 10/08/2003 | CN1447978A Process for improving emissiong of electron field emitters |
| 09/30/2003 | US6628052 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
| 09/12/2003 | WO2003075309A2 Light source |
| 09/11/2003 | US20030168956 Tunneling emitters and method of making |
| 09/02/2003 | US6614037 Electron beam irradiating apparatus |
| 08/28/2003 | US20030160557 Dielectric light device |
| 08/27/2003 | EP0845135B1 Cathode pulse modulation of rf transmitter tubes |
| 08/21/2003 | WO2001099146A3 Process for manufacturing electron field emitters |
| 08/14/2003 | WO2002103740A3 Focusing lens for electron emitter |
| 08/07/2003 | US20030146689 Solid state vacuum devices and method for making the same |
| 08/07/2003 | US20030146681 Solid state vacuum devices and method for making the same |
| 07/30/2003 | CN1433133A Electrostatic driver |
| 07/23/2003 | EP1330017A2 Electrostatic drive |
| 07/17/2003 | US20030133372 Capacitance-based position sensor |
| 07/17/2003 | US20030133252 Electrostatic drive |
| 07/16/2003 | EP1327861A1 Capacitance-based position sensor |
| 07/10/2003 | WO2003056639A1 Thermoelectric device and thermoelectric apparatus comprising this thermoelectric device |
| 06/25/2003 | CN1426082A Tunnel effect transmitter and its producing method |
| 06/05/2003 | WO2003021560A3 Ac colour plasma panel and method for controlling said panel. |
| 05/15/2003 | US20030089900 Tunneling emitter with nanohole openings |
| 05/14/2003 | CN1108624C Multipole electron tube |
| 05/08/2003 | DE10210045C1 Light source, used as a gas discharge lamp, comprises a discharge vessel filled with a gas and an electron beam source located in a vacuum or in a region of low pressure |
| 05/07/2003 | EP1308980A2 Tunneling emitters and method of making |
| 05/06/2003 | US6558968 Method of making an emitter with variable density photoresist layer |
| 05/01/2003 | WO2002089168A3 Silicon-based dielectric tunneling emitter |
| 05/01/2003 | WO2002089167A3 Tunneling emitter |
| 05/01/2003 | US20030080330 Method of making an emitter with variable density photoresist layer |
| 04/10/2003 | US20030068431 Electrode sandwich separation |
| 04/10/2003 | US20030067258 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
| 04/09/2003 | EP1300868A2 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
| 03/13/2003 | WO2003021663A1 Electrode sandwich separation |
| 03/13/2003 | WO2003021560A2 Ac colour plasma panel and method for controlling said panel. |
| 02/19/2003 | CN1397974A Electronic source electrode and its mfg. method and electronic tube |
| 02/18/2003 | US6522080 Field emitter array with enhanced performance |
| 02/11/2003 | US6518590 N type or P type devices are made with an insulated gate isolated from both the emitter and the collector. Such devices have input voltage levels that match the output levels, and as such are fully cascadable and integrable. |
| 01/14/2003 | CA2276510C Improved thermionic electric converters |
| 01/03/2003 | WO2003001552A1 Switching element and indicator provided therewith |
| 01/02/2003 | US20030001478 Electrode for electron source, method for producing the same, and electronic tube using the same |
| 12/27/2002 | WO2002103740A2 Focusing lens for electron emitter |
| 12/19/2002 | US20020193036 Focusing lens for electron emitter |
| 12/19/2002 | US20020190663 Method and apparatuses for providing uniform electron beams from field emission displays |
| 11/26/2002 | US6486609 Electron-emitting element and image display device using the same |
| 11/14/2002 | US20020167021 Silicon-based dielectric tunneling emitter |
| 11/14/2002 | US20020167001 Annealed tunneling emitter |
| 11/07/2002 | WO2002089168A2 Silicon-based dielectric tunneling emitter |
| 11/07/2002 | WO2002089167A2 Tunneling emitter |
| 10/23/2002 | EP1251543A1 Vacuum power switches |
| 10/23/2002 | EP1251503A2 Data storage device |
| 10/17/2002 | US20020150021 Data storage device |
| 10/08/2002 | US6462486 Method for controlling a structure comprising a source of field emitting electrons |
| 09/18/2002 | EP1240658A1 Field emission device having surface passivation layer |
| 09/12/2002 | US20020126072 Flat thermionic emission screen and with integrated anode control device |
| 09/11/2002 | EP1239443A1 Electron emission flat panel with integrated anode control apparatus |
| 09/10/2002 | US6448717 Method and apparatuses for providing uniform electron beams from field emission displays |
| 09/05/2002 | US20020121864 Method and apparatuses for providing uniform electron beams from field emission displays |
| 09/03/2002 | US6445124 Field emission device |
| 08/20/2002 | US6437360 Vacuum field transistor |
| 07/16/2002 | US6420726 Triode structure field emission device |
| 06/20/2002 | US20020074932 Process for improving the emission of electron field emitters |
| 05/14/2002 | US6388384 Pulse mode electron generator |
| 04/16/2002 | US6373175 Electronic switching devices |
| 04/16/2002 | US6373174 Field emission device having a surface passivation layer |
| 03/20/2002 | EP1189256A1 Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
| 03/13/2002 | EP0681311B1 Field-effect emitter device |
| 03/06/2002 | EP1184888A1 On-chip vacuum tube device and process for making the device |
| 02/05/2002 | US6344674 Flash memory using micro vacuum tube technology |
| 12/27/2001 | WO2001099146A2 Process for manufacturing electron field emitters |
| 12/19/2001 | EP1164618A1 Electron-emitting device and image display device using electron-emitting device |
| 12/19/2001 | CN1327610A Vacuum field-effect device and fabrication process thereof |
| 11/14/2001 | EP1153408A1 Field emitter array with enhanced performance |
| 10/24/2001 | EP1147538A1 Method for controlling a structure comprising a source of field emitting electrons |
| 10/24/2001 | CN1319246A Insulated-gate electron field mission devices and their fabrication processes |
| 10/02/2001 | US6297592 Microwave vacuum tube device employing grid-modulated cold cathode source having nanotube emitters |
| 10/02/2001 | US6297586 Cold-cathode power switching device of field-emission type |
| 09/12/2001 | EP0868752A4 Integrated circuit devices and methods employing amorphous silicon carbide resistor materials |
| 09/05/2001 | EP1129465A1 High voltage standoff, current regulating, hollow electron beam switch tube |
| 08/15/2001 | CN1308341A Electron beam irradiation equipment |
| 08/09/2001 | US20010011710 Electron beam irradiating apparatus |
| 08/02/2001 | US20010010649 Novel flash memory using micro vacuum tube technology |
| 07/31/2001 | US6268229 Emitting electrons |