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Matches 351 - 400 out of 3,743

Document Document Title
WO/2001/067481A1
A triode structure cold cathode assembly (700) is produced by depositing a carbon emitter material (702) onto a substrate (601) to form a cathode structure. Then, an insulating layer (501) is deposited onto one side of a mesh foil (301) ...  
WO/2001/056051A2
Apparatus and method are provided for a package structure that enables mounting of a field-emitting cathode into an electron gun. A non-conducting substrate has the cathode attached and the cathode is electrically connected to a pin thro...  
WO/2001/052328A1
A field emitter cell (10) includes a thin-film-edge emitter (22) normal to the gate layer (18). The field emitter cell (10) may include a conductive layer substrate (12), an insulator layer (16) having a perforation (20), a gate layer (1...  
WO/2001/050491A1
A field emission cathode providing for dynamic adjustment of beam shape is disclosed. Beam shape adjustment is accomplished by segmenting the gate electrode (17) of a gated field emission cathode and independently driving the various gat...  
WO/2001/043202A2
An image sensor package (1100) includes an image sensor (106), a window (122), and a molding (124C), where molding (124C) includes a lens holder extension portion (1102) extending upwards from window (122). Lens holder extension portion ...  
WO/2001/043156A1
A field emission device (100, 200, 300, 400, 500) includes a substrate (110, 210, 310, 410, 510), a cathode (115, 215, 315, 415, 515) formed thereon, a plurality of electron emitters (170, 270, 370, 470, 570) and a plurality of gate elec...  
WO/2001/033919A1
An X-ray generator (1) of open type comprising a section (15) for generating a high voltage (e.g. 160 kV) in order to enhance the handling by eliminating a high voltage cable, and a power supply section (14) where a grid connection wirin...  
WO/2001/033920A1
A nondestructive inspection apparatus with integrated power supply comprises a molded power supply section (14) having a resin-molded high voltage (e.g. 160 kV) generating section (15) secured to the base of a tubular section (2). The du...  
WO/2001/026131A1
A cathode ray tube comprising an electron source and an electron beam guidance cavity having an input aperture and an output aperture, wherein at least a part of the wall of the electron beam guidance cavity (220) near the output apertur...  
WO/2001/024217A1
The invention pertains to electron exposure equipment useful for exposing, treating and processing coatings and other materials by a cold cathode gas discharge electron source having a broad uniform emitting area. The apparatus has a vac...  
WO2000072413A3
The invention relates to a miniaturized terahertz radiation source based on the Smith-Purcell effect. According to the invention, an energy-rich electron beam is emitted from a focused electron source at a defined distance across a metal...  
WO/2001/018838A1
The invention concerns a device for producing an electric field between two electrodes (35, 37), said electric field intended to have a predetermined value in the proximity of one (35) of the two electrodes, the device comprising means f...  
WO2000008666A8
The method and apparatus provides a voltage gain as well as for generating energy. The anomalous lack of repulsion observed between unbound electrons (54) is exploited by the apparatus which includes an electron gun (9) and a capacitor (...  
WO/2001/011737A1
A method of generating light comprising the step of applying an electric field to an excimer-forming gas such as a gas mixture containing noble gases and hydrogen or halogen, and providing free electrons in the gas. The electric field is...  
WO/2001/009870A1
A method for improving life of a field emission display (100), which has a plurality of electron emitters (118) and an anode (124), includes the steps of causing plurality of electron emitters (118) to emit electrons, applying a first an...  
WO/2001/006535A1
An electron gun (10) as for a cathode ray tube includes a plurality of electrodes biased at different potentials to electrostatically shape and focus the one or more electron beams produced thereby. A dynamic focus grid (G6) is driven by...  
WO2000060632A3
System and methods are described for addressable field emission array (AFEA) chips. A method of operating an addressable field-emission array, includes: generating a plurality of electron beams from a plurality of emitters that compose t...  
WO/2001/006531A1
A compact electron gun includes a field emission cathode (12), a Pierce-like electrode (18), a gate layer (14), a focus lens layer (16), a focus lens (20), and a convergence cup (22).  
WO/2001/003155A1
A system for joining at least two beams of charged particles that includes directing a first beam along a first axis into a field. A second beam is directed along a second axis into the field. The first and second beams are turned, by in...  
WO/2000/079558A1
A cathode ray tube comprising an electron source and an electron beam guidance cavity (220) having an input aperture (208) and an output aperture (223), wherein at least a part of the wall of the electron beam guidance cavity near the ou...  
WO/2000/072413A2
The invention relates to a miniaturized terahertz radiation source based on the Smith-Purcell effect. According to the invention, an energy-rich electron beam is emitted from a focused electron source at a defined distance across a metal...  
WO2000051154A8
A structure and method for forming a column electrode for a field emission display device wherein the column electrode (702) is disposed beneath the field emitters and the row electrode. In one embodiment, the present invention comprises...  
WO/2000/060632A2
System and methods are described for addressable field emission array (AFEA) chips. A method of operating an addressable field-emission array, includes: generating a plurality of electron beams from a plurality of emitters that compose t...  
WO/2000/060630A1
A field emitter cell (10) includes a thin film edge emitter (22) normal to a gate layer (18). The field emitter is a multilayer structure including a low work function material sandwiched between two protective layers. The field emitter ...  
WO/2000/055880A1
A field-emission device is designed for finely controlled reliable electron emission from a cathode with decreased voltage applied to a grid. An electric field formed between a grid (3) and an anode and extending through an opening in th...  
WO/2000/054299A1
A field emission device (FED) comprising an amorphous substrate; impurity diffusion preventing layer; FET formed on a formation surface of a semiconductor layer made of amorphous silicon or polycrystalline silicon; one or more emitters m...  
WO/2000/052727A1
An electron beam emitting device having a first plate provided with electron emitting elements (15) and an electrode (8) opposed to the first plate and given a potential for accelerating electrons emitted from the electron emitting eleme...  
WO2000008666A9
The method and apparatus provides a voltage gain as well as for generating energy. The anomalous lack of repulsion observed between unbound electrons (54) is exploited by the apparatus which includes an electron gun (9) and a capacitor (...  
WO/2000/051154A1
A structure and method for forming a column electrode for a field emission display device wherein the column electrode (702) is disposed beneath the field emitters and the row electrode. In one embodiment, the present invention comprises...  
WO1999063566A3
The invention relates to an extremely low-capacitance device for forming an electron beam. The device is based on a ceramic body having a monolithic multilayer structure. The ceramic body is produced using LTCC technology, whereby said m...  
WO/2000/048220A1
The invention concerns a field emitter array capable of microwave modulation, comprising at least an array (R) of emissive tips, means for producing a microwave modulation signal including a semiconductor element (S) controllable in micr...  
WO/2000/048224A1
An electron gun comprises a main cathode (77) in the form of a plate with an electron emission surface (79), and an auxiliary cathode (81) arranged on the back of the main cathode to heat the main cathode (77) by electron bombardment. Th...  
WO/2000/046834A1
A field emission device (110, 210, 310, 410) includes an electron emitter (124), a first dielectric focusing layer (122) defining a first aperture (127), and a second dielectric focusing layer (123) defining a second aperture (133). Seco...  
WO2000008666A3
The method and apparatus provides a voltage gain as well as for generating energy. The anomalous lack of repulsion observed between unbound electrons (54) is exploited by the apparatus which includes an electron gun (9) and a capacitor (...  
WO/2000/028569A1
A high power switching apparatus (100) comprises an annular cathode having a surface capable of emitting a hollow electron beam therefrom and an anode cavity spaced from said cathode. The cavity has an annular opening (151) smaller in di...  
WO/2000/025342A1
A variable spot size x-ray tube comprises a cathode having an electron emitting surface providing an electron beam that travels essentially along the tube axis of symmetry to an anode. The anode, spaced from the cathode, includes a targe...  
WO/2000/021112A1
The invention concerns an electron source with field-emission cathodes having a first, so-called active region (32), with a cathode support (24) equipped with field effect elements, at least an insulating layer (34) and at least a gate l...  
WO1999067804A8
An electron tube provided with a semiconductor cathode for emitting electrons, which semiconductor cathode is arranged on a support, a source being arranged in the vicinity of the cathode, in particular, so as to face the free (Si) surfa...  
WO/2000/008666A2
The method and apparatus provides a voltage gain as well as for generating energy. The anomalous lack of repulsion observed between unbound electrons (54) is exploited by the apparatus which includes an electron gun (9) and a capacitor (...  
WO/1999/067804A1
An electron tube provided with a semiconductor cathode for emitting electrons, which semiconductor cathode is arranged on a support, a source being arranged in the vicinity of the cathode, in particular, so as to face the free (Si) surfa...  
WO/1999/063566A2
The invention relates to an extremely low-capacitance device for forming an electron beam. The device is based on a ceramic body having a monolithic multilayer structure. The ceramic body is produced using LTCC technology, whereby said m...  
WO1999045559A3
A field emission display (100) includes a dielectric layer (132) having a plurality of emitter wells (134), a plurality of electron emitters (136) disposed one each within the plurality of emitter wells (134), a plurality of conductive r...  
WO/1999/062093A1
The invention concerns a method for making an electron source with microtips (67), with extraction grid and with focusing grid. Said method enables to align accurately the extraction grid (65) holes (61) with the focusing grid (66) openi...  
WO1999040600A9
Field emission devices may include emitter wells formed in a body of dielectric material. A gate conductor may be provided along the upper surface of the dielectric material. A gate hole may be provided in the gate conductor directly abo...  
WO/1999/056299A1
An electrode (12 or 30) of an electron-emitting device has a plurality of openings (16 or 60) spaced laterally apart from one another. The openings can be used, as needed, in selectively separating one or more parts of the electrode from...  
WO1999040600A3
Field emission devices may include emitter wells formed in a body of dielectric material. A gate conductor may be provided along the upper surface of the dielectric material. A gate hole may be provided in the gate conductor directly abo...  
WO/1999/048121A1
A field emission device with a microchannel gain element provides a plurality of field emission or 'cold' cathodes (102) formed generally into an array. The cold cathodes are typically modulated by a grid (108) having a driving voltage. ...  
WO/1999/045559A2
A field emission display (100) includes a dielectric layer (132) having a plurality of emitter wells (134), a plurality of electron emitters (136) disposed one each within the plurality of emitter wells (134), a plurality of conductive r...  
WO/1999/045560A1
In an electron tube based on a cold cathode, a cesium source (17) containing Cs¿x?-Au¿y? or Cs¿x?-Sb¿y? is provided near the cold cathode (7), preferably in contact with the first grid (9). Cesium is introduced into the source during...  
WO/1999/040604A1
A lateral-emitter field emission device (10) has a gate (60) that is separated by an insulating layer (80) from a vaccum- or gas-filled microchamber environment (20) containing other elements of the device (10). For example, the gate (60...  

Matches 351 - 400 out of 3,743