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7341498 |
Method of irradiating field emission cathode having nanotubes
Field emission devices comprising carbon nanotube mats which have been treated with laser or plasma are provided. Mats are formed from carbon nanotubes, also known as carbon fibrils, which are...
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6911767 |
Field emission devices using ion bombarded carbon nanotubes
The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes which have been treated with an ion beam. The ion beam may...
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6765190 |
Multi-element electron-transfer optical detector system
A multi-element optical detector system includes an electrically resistive screen that is substantially transparent to radiation energy having a wavelength of interest. A plurality of electron...
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6750438 |
Single-element electron-transfer optical detector system
An optical detector system includes an electrically resistive screen that is substantially transparent to radiation energy having a wavelength of interest. An electron transfer element (e.g., a low...
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6740403 |
Graphitic polyhederal crystals in the form of nanotubes, whiskers and nanorods, methods for their production and uses thereof
Isolated graphitic polyhedral crystal and methods for their isolation are provided wherein the crystals have graphite sheets arranged in a plurality of layers to form an elongated structure having...
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6570315 |
Field ion display device
A field ion display device comprises a field ion emission plate, a microchannel plate and a fluorescent display plate, said plates being parallel to each other, with gaps there between, and being...
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6515639 |
Cathode ray tube with addressable nanotubes
A cathode ray tube (CRT) display includes a display panel having a matrix of addressable carbon nanotubes, in which each individual nanotube can be selected to help draw a corresponding electron...
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6107745 |
Ion pumping of a flat microtip screen
A flat microtip display screen including a cathode provided with active areas of electron emission microtips; a cathodoluminescent anode provided, at least in front of the active microtip areas,...
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