Patents for H01J 19 - Details of vacuum tubes of the types covered by group (1,326) |
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01/06/2004 | CA2280234C Device comprising carbon nanotube field emitter structure and process for forming device |
12/31/2003 | WO2004001795A2 Low gate current field emitter cell and array with vertical thin-film-edge emitter |
12/18/2003 | US20030230960 Flat panel display having mesh grid |
12/17/2003 | EP1372181A1 Vibration absorber device for colour cathode-ray tube |
12/16/2003 | US6664726 Fluorescent lamp with a by-pass means in the discharge space resulting in low starting voltage |
12/16/2003 | US6664722 Field emission material |
12/11/2003 | US20030227242 Vibration absorber device for colour cathode-ray tube |
12/10/2003 | CN1461039A Multiple filament parallel lamp |
11/20/2003 | US20030214212 Multiple, parallel filament lamp |
11/06/2003 | WO2003092030A1 Electron field emitter and compositions related thereto |
10/29/2003 | EP1356489A2 Process for manufacturing electron field emitters |
10/21/2003 | US6635983 Nitrogen and phosphorus doped amorphous silicon as resistor for field emission device baseplate |
10/16/2003 | US20030193283 Electro-luminescent light emission device with vibration dampening |
10/08/2003 | CN1447978A Process for improving emissiong of electron field emitters |
10/02/2003 | WO2003081965A1 Plasma electron-emitting source |
09/30/2003 | US6628052 Enhanced electron field emitter spindt tip and method for fabricating enhanced spindt tips |
09/23/2003 | US6624578 Cathode ray tube having multiple field emission cathodes |
09/12/2003 | WO2003075317A1 Coil filament |
09/12/2003 | CA2474797A1 Coil filament |
09/11/2003 | US20030168956 Tunneling emitters and method of making |
08/27/2003 | CN1438265A Specific meterial for modified polypropylene TV housing and production method thereof |
08/21/2003 | WO2001099146A3 Process for manufacturing electron field emitters |
08/21/2003 | US20030155851 Apparatus for emitting electrons |
08/14/2003 | WO2002103740A3 Focusing lens for electron emitter |
08/13/2003 | CN1435860A Image forming device and separator |
08/07/2003 | US20030146681 Solid state vacuum devices and method for making the same |
07/31/2003 | US20030141803 Image-forming apparatus and spacer |
07/24/2003 | WO2002099835A3 Cathode ray tube having multiple field emission cathrodes |
07/17/2003 | WO2003058676A2 Three-dimensional tungsten structure for an incandescent lamp and light source comprising said structure |
07/10/2003 | US20030127964 Fluorescent lamp with a by-pass means in the discharge space resulting in low starting voltage |
07/08/2003 | US6590322 Low gate current field emitter cell and array with vertical thin-film-edge emitter |
07/08/2003 | US6590319 Flat fluorescent discharge lamp |
07/03/2003 | US20030122471 Use of multiple circuit elements for back side connection to a flat panel display |
07/02/2003 | CN1113377C Evaporable getter device with reduced activation time |
06/25/2003 | CN1426082A Tunnel effect transmitter and its producing method |
06/24/2003 | US6583540 Incandescent multi-filament light bulb |
06/05/2003 | WO2003021560A3 Ac colour plasma panel and method for controlling said panel. |
06/05/2003 | US20030102792 Lamp design |
05/15/2003 | US20030089900 Tunneling emitter with nanohole openings |
05/14/2003 | CN1108624C Multipole electron tube |
05/07/2003 | EP1308984A1 Vacuum tube having getter layer of high thermal emissivity |
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 | US20030081726 Vacuum tube |
05/01/2003 | US20030080675 Color flat-panel display |
05/01/2003 | US20030080663 Field emission type cold cathode and method for manufacturing the same and method for manufacturing flat display |
05/01/2003 | US20030080330 Method of making an emitter with variable density photoresist layer |
04/30/2003 | CN1414591A High vacuum device having aspirating low alloy structure |
04/29/2003 | US6554673 Method of making electron emitters |
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 |
04/09/2003 | CN1105392C Thin-film electron emitter device and application using same |
04/02/2003 | CN1407581A Electrode coiler of high-strength discharge lamp and its manufacture |
03/18/2003 | US6533161 Vacuum electronics; soldering of a ceramic component to copper; layer of silver is first applied galvanically to copper to form the soldering material; a copper-silver eutectic |
03/13/2003 | WO2003021560A2 Ac colour plasma panel and method for controlling said panel. |
02/25/2003 | US6525485 Vacuum fluorescence display |
02/18/2003 | US6522061 Field emission device with microchannel gain element |
02/13/2003 | WO2003012819A1 A method of making electron emitters |
02/06/2003 | US20030025434 Double layer electrode coil for a HID lamp and method of making the electrode coil |
02/06/2003 | US20030025431 Method of making electron emitters |
02/05/2003 | EP1282152A2 Double layer electrode coil for a high intensity discharge lamp and method of making the electrode coil |
02/02/2003 | CA2387331A1 Double layer electrode coil for a hid lamp and method of making the electrode coil |
01/16/2003 | WO2002025689A3 Vacuum fluorescence display |
01/14/2003 | CA2276510C Improved thermionic electric converters |
01/02/2003 | US20030001475 Lamp design |
12/27/2002 | WO2002103740A2 Focusing lens for electron emitter |
12/19/2002 | US20020193036 Focusing lens for electron emitter |
12/12/2002 | WO2002099835A2 Cathode ray tube having multiple field emission cathrodes |
12/05/2002 | US20020180360 Cathode ray tube having multiple field emission cathodes |
12/03/2002 | US6489718 Spacer suitable for use in flat panel display |
11/28/2002 | US20020175608 Structure and method for field emitter tips |
11/21/2002 | US20020171378 Methods and apparatus for controlling illumination |
11/21/2002 | US20020171377 Methods and apparatus for illumination of liquids |
11/21/2002 | US20020171365 Light fixtures for illumination of liquids |
11/14/2002 | US20020167273 Flat fluorescent discharge lamp |
11/14/2002 | US20020167021 Silicon-based dielectric tunneling emitter |
11/07/2002 | WO2002089168A2 Silicon-based dielectric tunneling emitter |
10/24/2002 | US20020153851 Methods and apparatus for remotely controlled illumination of liquids |
10/17/2002 | DE10118652A1 Cathode ray tube has electrode system with first control grid in form of flat metal plate held in bearer structure in self-supporting manner separately from second control grid |
10/15/2002 | US6465939 Robust lamp filament |
10/08/2002 | US6462486 Method for controlling a structure comprising a source of field emitting electrons |
09/19/2002 | US20020130627 Light sources for illumination of liquids |
09/03/2002 | US6445124 Field emission device |
08/20/2002 | US6437360 Vacuum field transistor |
08/15/2002 | US20020109448 Incandescent multi-filament light bulb |
08/14/2002 | CN1363945A Exhaust apparatus for plane-screen and technology thereof |
08/07/2002 | EP1228521A1 Method for producing an emitting cathode using sol-gel technique and resulting cathode |
08/07/2002 | EP0729639B1 Display device having an envelope comprising a wire cathode |
08/06/2002 | US6429579 Apparatus and method of lead centering for halogen/incandescent lamps |
07/10/2002 | CN2499968Y Vacuum switch tube porcelain casing part sealing mould |
07/09/2002 | US6417016 Silicon substrates implanted with dope, anodizing, oxidation and removal of oxide coating |
06/20/2002 | US20020074932 Process for improving the emission of electron field emitters |
06/06/2002 | US20020067135 Vacuum fluorescence display |
06/04/2002 | US6400216 Multi-driving apparatus by a multi-level detection and a method for controlling the same |
05/14/2002 | US6388384 Pulse mode electron generator |
04/24/2002 | CN2488170Y Ultra-evaporating cooling electronic tube |
04/11/2002 | US20020042241 Low gate current field emitter cell and array with vertical thin-film-edge emitter |
04/10/2002 | CN2485789Y Vacuum tube with net style plate |
03/28/2002 | WO2002025689A2 Vacuum fluorescence display |