Patents for H01J 21 - Vacuum tubes (739) |
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12/03/2008 | CN100440418C Electronic heat pump device, electronic equipment using electronic heat pump device and method of manufacturing electronic heat pump device |
11/11/2008 | US7449082 Process for improving the emissions of electron field emitters |
11/11/2008 | US7449081 Process for improving the emission of electron field emitters |
11/04/2008 | US7446601 Electron beam RF amplifier and emitter |
10/29/2008 | EP1984625A2 Closely spaced electrodes with a uniform gap |
10/23/2008 | WO2008127962A2 Carbon nanotube signal modulator and photonic transmission device |
10/15/2008 | CN100425943C Position sensor based on capacity |
10/07/2008 | US7432521 Logical operation element field emission emitter and logical operation circuit |
08/21/2008 | WO2008061173A3 Generation, acceleration, focusing and collection of a high-brightness, space-charge-dominated circular charged-particle beam |
07/30/2008 | CN100407359C 开关元件和具有开关元件的显示装置 A switching element and a display device having a switching element |
07/29/2008 | US7405092 Method of manufacturing electron-emitting device and method of manufacturing image display apparatus |
07/15/2008 | US7400083 Flat panel display device including electron beam sources and control electrodes |
07/08/2008 | US7397175 Solid state vacuum devices |
04/29/2008 | US7365483 Field emission display having grid plate with multi-layered structure |
04/22/2008 | US7362045 Field emission display having grid plate |
04/09/2008 | CN100380800C Electrostatic driver |
03/11/2008 | US7342237 Lithographic apparatus and device manufacturing method |
02/28/2008 | WO2008024074A1 Vacuum tube |
02/19/2008 | US7332700 Photomultiplier tube with dynode modulation for photon-counting |
01/29/2008 | US7323709 Method for increasing efficiency of thermotunnel devices |
01/17/2008 | WO2007133118A3 Method for controlling a lamp self-emitting current and a self-emitting lamp for carrying out said method |
01/15/2008 | US7319289 Light emitting device |
01/09/2008 | CN201004444Y A small electronic brake flow pipe |
12/27/2007 | WO2007126384A3 Solid state cooling or power generating device and method of fabricating the same |
12/26/2007 | CN101093766A Wire marks paste, method for reducing emission heat plaque and method for producing cathode component |
12/20/2007 | US20070293115 Process for making an on-chip vacuum tube device |
12/19/2007 | EP1164618B1 Electron-emitting device and image display device using electron-emitting device |
12/19/2007 | CN100356495C Use of non-crystal diamond material |
11/22/2007 | WO2007133118A2 Method for controlling a lamp self-emitting current and a self-emitting lamp for carrying out said method |
11/20/2007 | US7297924 Imaging device with focus switching means for day and night vision |
11/08/2007 | WO2007126384A2 Solid state cooling or power generating device and method of fabricating the same |
11/08/2007 | CA2651106A1 Solid state cooling or power generating device and method of fabricating the same |
10/23/2007 | US7285917 Connection member and driving device of plasma display panel |
10/09/2007 | CA2319395C A fed crt having various control and focusing electrodes along with horizontal and vertical deflectors |
10/03/2007 | CN100341094C Process for improving emissiong of electron field emitters |
08/30/2007 | US20070200476 Display device |
08/22/2007 | EP1129465B1 High voltage standoff, current regulating, hollow electron beam switch tube |
08/21/2007 | US7259510 On-chip vacuum tube device and process for making device |
07/12/2007 | US20070160758 Process for improving the emissions of electron field emitters |
07/03/2007 | US7238928 Photomultiplier with particular stem/pin structure |
07/03/2007 | US7238077 Method of forming a tetraode field display including a composite mesh element |
05/16/2007 | CN2901568Y Vacuum tube |
05/01/2007 | US7211778 Night vision goggle with separate camera and user output paths |
04/26/2007 | DE102005050703A1 Verfahren und Vorrichtung zum Portionieren einer pastösen Masse, insbesondere von Butter Method and apparatus for portioning a pasty mass, in particular butter |
03/28/2007 | CN2884516Y Vacuum tube |
03/13/2007 | US7189956 Photomultiplier and radiation detector |
02/22/2007 | WO2007021475A2 Production of di-(2-ethylhexyl) terephthalate |
02/21/2007 | CN1917128A Electrovacuum tube with dual anodes, and assembling method |
02/20/2007 | US7180234 Field emission display device and method of manufacturing same |
02/15/2007 | US20070033782 Electrode sandwich separation |
02/13/2007 | US7176478 Nanotube-based vacuum devices |
02/13/2007 | US7176470 Technique for high-efficiency ion implantation |
02/08/2007 | US20070029910 Plasma display panel and method of manufacturing the same |
02/08/2007 | US20070029909 Plasma display panel |
02/08/2007 | US20070029908 Plasma display panel |
02/01/2007 | US20070024172 Plasma display panel |
01/31/2007 | CN2864969Y Vacuum tube |
01/31/2007 | CN2864968Y New type direct-heating amplifying electron tube with low voltage and middle power |
01/30/2007 | US7170223 Emitter with dielectric layer having implanted conducting centers |
01/24/2007 | CN2862312Y New type directly heated rectifying duodiode vacuum electron tube |
01/24/2007 | CN2862311Y Modified directly heated amplifying electron tube with middle power |
01/24/2007 | CN2862310Y Amplifying electron tube with low filament voltage power |
01/24/2007 | CN2862308Y Modified directly heated electron tube for amplifying frequency power |
12/21/2006 | US20060284537 Electron emitting composite based on regulated nano-structures and a cold electron source using the composite |
12/20/2006 | EP1018210B1 Diode device |
12/06/2006 | CN1873908A Method for labeling electric light source |
12/05/2006 | US7145612 Display device comprising plasma discharge switching element with three electrodes |
11/29/2006 | CN1287403C Electronic source electrode and its manufacturing method and electronic tube |
11/28/2006 | US7142500 Sensor with varying capacitance based on relative position between objects |
11/28/2006 | US7140102 Via electrical current, thermal stresses, and/or mechanical force; surfaces that mirror one another may be created without the need for a sacrificial layer; triodes |
11/21/2006 | US7138753 Tetraode field-emission display and method of fabricating the same |
11/14/2006 | US7135670 Photomultiplier and radiation detector |
11/14/2006 | US7134931 Tetraode field-emission display and method of fabricating the same |
11/07/2006 | US7132639 Photomultiplier and radiation detector |
10/18/2006 | CN1280866C Semiconductor assembly |
10/17/2006 | US7122806 Laser stimulated atom probe characterization of semiconductor and dielectric structures |
10/04/2006 | EP1396005B1 Field emission device for creating a focused electron beam |
09/19/2006 | US7109663 Electron emission device, electron source, and image display having dipole layer |
09/19/2006 | CA2185774C Gas discharge lamps and systems |
09/14/2006 | US20060202608 Tetraode Field-Emission Display and Method of Fabricating the same |
09/07/2006 | US20060197424 Cold cathode tube lamp, lighting device, and display device |
09/05/2006 | US7102157 Nanotube-based vacuum devices |
08/29/2006 | US7098593 Stationary ion cold cathode fluorescent lighting system |
07/26/2006 | CN2800481Y Vacuum tube |
07/25/2006 | US7081703 Tetraode field-emission display and method of fabricating the same |
07/18/2006 | US7078855 Dielectric light device |
07/13/2006 | DE19534576B4 Mikrovakuumvorrichtung A micro vacuum device |
07/12/2006 | CN1264191C Improved heat-electric convertor |
06/28/2006 | CN2791866Y Vacuum tube |
06/27/2006 | US7067984 Method and apparatuses for providing uniform electron beams from field emission displays |
06/22/2006 | US20060132014 Energy conversion device and production method therefor |
06/15/2006 | US20060125368 Solid state vacuum devices and method for making the same |
05/31/2006 | CN1779880A Use of non-crystal diamond material |
05/30/2006 | US7053544 Display device |
05/23/2006 | US7050147 Method of adjusting a height of protrusions on a support surface of a support table, a lithographic projection apparatus, and a support table for supporting an article in a lithographic apparatus |
05/23/2006 | US7049753 Method and apparatuses for providing uniform electron beams from field emission displays |
05/18/2006 | US20060103296 Plasma display panel |
05/16/2006 | US7044823 Method of making a tunneling emitter |
05/03/2006 | CN2777749Y Damp-proof discharge tube |
04/26/2006 | EP1649479A2 Electron emission device |