Patents
Sitemap › H01 - Basic electric elements › H01J - Electric discharge tubes or discharge lamps › H01J 19 - Details of vacuum tubes of the types covered by group
Patents for H01J 19 - Details of vacuum tubes of the types covered by group (1,326)
08/1997
08/13/1997EP0727057A4 Methods for fabricating flat panel display systems and components
07/1997
07/29/1997US5652083 Forming a plurality of diamond emitter regions on cathode stripes; patterning and etching conductive layer
07/08/1997US5646474 Boron nitride cold cathode
06/1997
06/26/1997WO1997023002A1 Integrated circuit devices and methods employing amorphous silicon carbide resistor materials
06/10/1997US5637957 Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode
06/10/1997US5637023 Field emission element and process for manufacturing same
04/1997
04/17/1997WO1997014168A2 Cold cathode vacuum discharge tube
04/02/1997EP0514444B1 Encapsulated field emission device
04/01/1997CA2053140C Discharge tube
03/1997
03/26/1997EP0764967A1 Low cost system for effecting high density interconnection between integrated circuit devices
03/25/1997US5614353 Coonductive line
02/1997
02/11/1997US5601966 Forming electroconductive stripe on substrate surface, then covering it with a dielectric layer and another conductive layer, patterning and etching expose parts of conductive stripe for pixels
01/1997
01/29/1997EP0755568A1 Vacuum microelectronic device and methodology for fabricating same
01/28/1997US5598052 Vacuum microelectronic device and methodology for fabricating same
01/23/1997DE19526394A1 Vacuum detection system for vacuum switch tube
01/08/1997CN2244774Y Vacuum switching tube with wavy glass case
01/07/1997US5592053 Diamond target electron beam device
12/1996
12/03/1996CA1338753C Method of producing oxide superconducting wire and oxide superconducting wire produced by this method
11/1996
11/13/1996EP0742573A1 Tube with pyrolytic graphite grid and method of making
10/1996
10/30/1996CN1134754A Methods for fabricating flat panel display systems and components
10/03/1996WO1996030926A1 Spacer structures for use in flat panel displays and methods for forming same
10/03/1996WO1996030925A1 Boron nitride cold cathode
09/1996
09/26/1996DE19510510A1 Electronic high voltage switch esp. in vehicles
09/25/1996EP0734041A1 Cathode-anode spacer comprising a projection of a length limited relative to its distance to the cathode
09/25/1996EP0734017A1 Storage device
09/17/1996US5557596 Ultra-high density storage device
09/13/1996EP0726589A4 Field emission cathode and a device based thereon
09/04/1996EP0729639A1 Display device having an envelope comprising a wire cathode
08/1996
08/21/1996EP0727057A1 Methods for fabricating flat panel display systems and components
08/14/1996EP0726589A1 Field emission cathode and a device based thereon
06/1996
06/26/1996CN1125434A Process for producing a gastight soldered joint and use of the process in the production of components with a vacuum-tight casing
06/20/1996WO1996019009A1 Vacuum microelectronic device and methodology for fabricating same
05/1996
05/15/1996EP0711451A1 Device for attenuating interfering waves in an electron tube and electron tube comprising same
03/1996
03/28/1996WO1996009640A1 Display device having an envelope comprising a wire cathode
03/21/1996DE19534576A1 Cold cathode field emission micro vacuum device, esp. of high power, high integration and large capacity
02/1996
02/29/1996WO1996006444A1 Ultralinear final triode electrode system for a low-frequency amplifier
02/08/1996WO1996003762A1 Field emission cathode and a device based thereon
11/1995
11/29/1995EP0684625A1 High power vacuum electron tube with anode cooled by forced flow circulation
10/1995
10/31/1995US5463277 Micro vacuum device
10/17/1995US5458518 Method for producing silicon tip field emitter arrays
09/1995
09/21/1995DE19509184A1 Microelectronic device
08/1995
08/15/1995US5442255 Electron emitting device
08/08/1995US5440202 Electron beam device having a direct current feed with switching stages therein
07/1995
07/11/1995US5432407 Field emission device as charge transport switch for energy storage network
05/1995
05/11/1995WO1995012835A1 Methods for fabricating flat panel display systems and components
05/11/1995CA2172803A1 Methods for fabricating flat panel display systems and components
04/1995
04/05/1995EP0481052B1 Grid amplification tube with varying width bars
02/1995
02/16/1995WO1995004999A1 Space discharge devices and electron valves
02/14/1995US5389796 Vacuum transistor having an optical gate
02/09/1995WO1995004366A1 Device for attenuating interfering waves in an electron tube and electron tube comprising same
01/1995
01/31/1995US5386172 Multiple electrode field electron emission device and method of manufacture
01/10/1995US5381069 Field emission element and process for manufacturing same
01/05/1995WO1995000964A1 Vacuum switching tube with annular insulator
01/05/1995WO1995000459A1 Process for producing a gastight soldered joint and use of the process in the production of components with a vacuum-tight casing
12/1994
12/22/1994DE4422316A1 Vacuum switching tube having an annular insulator
11/1994
11/22/1994US5367181 Microminiature vacuum tube
10/1994
10/26/1994CN2181086Y Large power valve positive pole cooling water sleeve
09/1994
09/08/1994DE4320910C1 Method of producing a gastight soldered connection and use of this method in the production of components having a vacuum-tight housing
06/1994
06/15/1994EP0601533A1 Micro vacuum device
05/1994
05/31/1994US5317230 Amplifier valve with grid having rods of variable width
05/18/1994EP0597366A1 Elektron tube
03/1994
03/02/1994EP0585081A1 Electron emitting device
12/1993
12/14/1993US5270258 Microminiature vacuum tube manufacturing method
12/14/1993CA2011889C Secondary electron emitter with symmetrical protuberances
12/08/1993CN1079335A Electron beam device
10/1993
10/06/1993EP0563543A1 Electron beam device
09/1993
09/21/1993US5247133 High-vacuum substrate enclosure
09/14/1993US5245247 Microminiature vacuum tube
08/1993
08/11/1993EP0301041B1 Very high speed integrated microelectronic tubes
07/1993
07/14/1993CN1021608C Encapsulated field emission device
07/06/1993US5225735 Electron tube with cylindrical hexagonal grid aligned with rhombus shaped cathode wires
06/1993
06/30/1993EP0549034A1 Cathode and method of manufacture
06/02/1993EP0544516A1 Apparatus for field emission device electrostatic electron beam focussing
05/1993
05/19/1993CN1020828C Encapsulated field emission device
04/1993
04/27/1993US5206565 High-power low-voltage tetrode having a full walled matrix cathode and a control grid spacing of less than 1 mm
03/1993
03/10/1993CN1069828A 多极场致电子发射器件及其制造方法 Multiple electrode field electron emission device and manufacturing method thereof
03/03/1993EP0529392A1 A high-vacuum substrate enclosure
03/02/1993US5191217 Method and apparatus for field emission device electrostatic electron beam focussing
11/1992
11/25/1992EP0514474A1 Cold cathode field emission device with integral emitter ballasting
11/24/1992US5166575 Grid tube with coupled-cavity output, with coupling element integral with said tube
11/19/1992EP0513777A2 Multiple electrode field electron emission device and process for manufacturing it
09/1992
09/16/1992EP0503169A1 Electron tube with directly cooled anode
08/1992
08/25/1992US5142184 Cold cathode field emission device with integral emitter ballasting
07/1992
07/29/1992EP0496008A1 Controllable high-power electron tube
07/15/1992CN1062813A Design and compound method of multivariant power emission electron tube
05/1992
05/20/1992EP0340258B1 Microwave integrated distributed amplifier with field emission triodes
02/1992
02/19/1992CN2096858U Filament protector
02/19/1992CA2090391A1 Electon beam device
01/1992
01/07/1992US5079476 Encapsulated field emission device
12/1991
12/11/1991EP0460173A1 Field emitter structure and fabrication process
11/1991
11/20/1991CN2089207U Multiple filament vacuum element
11/20/1991CN1056377A Cold cathode field emission device with integral emitter ballasting
11/20/1991CN1056375A Encapsulated field emission device
11/14/1991WO1991017559A1 Grid amplification tube with varying width bars
11/13/1991EP0456550A1 Electron tube with cylindrical grid
08/1991
08/22/1991WO1991012625A1 Encapsulated field emission device
08/22/1991WO1991012624A1 Cold cathode field emission device with integral emitter ballasting
08/06/1991US5038070 Field emitter structure and fabrication process
07/1991
07/16/1991US5032717 Remote control for anode-cathode adjustment
07/11/1991WO1991010252A1 Field emitter structure and fabrication process
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