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Patent Searching and Data


Matches 301 - 350 out of 3,747

Document Document Title
WO/2003/063120A1
An apparatus and method for regulating the emission current from a single (macroscopic) field emitter (3), from groups of emitters within a large (microscopic) array, or from each cell within an array is described. The apparatus includes...  
WO/2003/060944A1
An apparatus (20) for producing an electron beam (34), containing a vacuum chamber (16), a source of electron beams (332) within the vacuum chamber, and a device for focusing the electron beams. An electron transparent window (12) is for...  
WO/2003/058668A2
A field emission device having emitter tips and a support layer for a gate electrode is provided. Openings in the support layer and the gate layer are sized to provide mechanical support for the gate electrode. Cavities may be formed and...  
WO/2003/054907A1
A cathode ray tube (400) comprising an electron source and an extraction electrode (140) provided with an electrode aperture (170). The extraction electrode (140) is arranged to produce an electric field so as to effect the transport of ...  
WO/2003/054901A2
The invention describes a vacuum electronic device comprising an electron source having at least one cathode for emitting of electrons, at least one electron beam guidance cavity for concentrating electrons emitted from the cathode, said...  
WO2002103337A3
An electron beam apparatus, in which an electron beam emitted from an electron gun having a cathode and an anode is focused and irradiated onto a sample, and secondary electrons emanated from the sample are directed into a detector, the ...  
WO/2003/050848A2
An electron-emitting device (20, 70, 80, or 90) contains an electrode, either a control electrode (38) or an emitter electrode (32), having a specified portion situated off to the side of the bulk of the electrode. For a control electrod...  
WO/2003/049133A2
An electron collector assembly for an electron beam tube comprises an electron collector (2), which is at least partially surrounded by dielectric material, such as a dielectric fluid (5). A heat pipe (6), in communication with the diele...  
WO/2003/049139A1
The invention concerns a source supplying an adjustable energy electron beam, comprising a plasma chamber (P) consisting of an enclosure (1) having an inner surface of a first value (S1) and an extraction gate (2) having a surface of a s...  
WO2002103738A3
A method for creating an electron lens (28) includes the steps of applying a polymer layer (12) on an emitter surface (36) of an electron emitter (60) and then curing the polymer layer (12) to reduce volatile content.  
WO2002097844A3
A display tube comprises an electron source (10), a module (20) provided with a guidance cavity (25R, 25G, 25B) for guiding electrons emitted by the electron source (10) to an exit aperture (27R, 27G, 27B) of the guidance cavity (25R, 25...  
WO/2003/039242A1
The invention relates to a novel method for simple and direct determination of the actual photosynthesis (the gross photosynthesis), the light respiration and the uptake and emission of CO2, O2 and H2O in connection with photosynthesis a...  
WO2002097845A3
The invention relates to an electron gun 100 for use in a cathode ray tube. The electron gun 100 has an electron source 10, a body 20 with a transmission cavity 25 of which the wall 28 is at least partly coated with an electrical insulat...  
WO2002065499A9
A light-emitting device is provided with getter material (58) that can readily be distributed in a relatively uniform manner across the device's active light-emitting portion. An electron-emitting device is similarly provided with getter...  
WO/2003/032022A2
An apparatus and method for fast changing a focal length of a charged particle beam the method comprising the step of changing a control signal in response to a relationship between the control signal voltage value and the focal length o...  
WO/2003/032257A1
A system and method are described for pushing child vertices to predetermined parent vertices to remove detail from an array of polygons (500). In one embodiment, a graphics engine identifies an LOD boundary (553) that divides the array ...  
WO2002080216A9
A method and device for providing power to a load (11) are disclosed. A beam of free electrons is directed from a free-electron source, such as an electron gun (4, 15), into an enclosing conductive surface (2, 12). The free-electron sour...  
WO/2002/103740A2
An electron lens is used for focusing electrons from a cathode (10) to an anode (30). The lens includes a first conductive layer (36) with a first opening (38) at a first distance (48) from the cathode (10). The first conductive layer (3...  
WO/2002/103738A2
A method for creating an electron lens (28) includes the steps of applying a polymer layer (12) on an emitter surface (36) of an electron emitter (60) and then curing the polymer layer (12) to reduce volatile content.  
WO/2002/103747A1
A method for trapping of a plurality of charged particles in a charged particle trap. The trap includes first and second electrode mirrors (2, 3) having a common optical axis (4), the mirrors being arranged in alignment at two extremitie...  
WO/2002/103739A1
A field emission type cold cathode, comprising a substrate having a conductivity at least on the surface thereof, an insulation layer formed on the substrate and having a first opening part, a gate electrode layer formed on the insulatio...  
WO/2002/103337A2
An electron beam apparatus, in which an electron beam emitted from an electron gun having a cathode and an anode is focused and irradiated onto a sample, and secondary electrons emanated from the sample are directed into a detector, the ...  
WO/2002/097844A2
A display tube comprises an electron source (10), a module (20) provided with a guidance cavity (25R, 25G, 25B) for guiding electrons emitted by the electron source (10) to an exit aperture (27R, 27G, 27B) of the guidance cavity (25R, 25...  
WO/2002/097845A2
The invention relates to an electron gun (100) for use in a cathode ray tube. The electron gun (100) has an electron source (10), a body (20) with a transmission cavity (25) of which the wall (28) is at least partly coated with an electr...  
WO/2002/093585A1
The invention relates to an actuating and sensing device for scanning probe microscopes. The actuating and sensing device includes a tuning fork (21) containing two prongs, connection means (23), e.g. a spring means, and a probing tip (2...  
WO/2002/092533A1
This invention provides a dielectric composition comprising a dielectric which is fireable in air at a temperature in the range of about 450°C to about 550°C and a conductive oxide selected from the group consisting of antimony-doped t...  
WO/2002/080216A1
A method and device for providing power to a load (11) are disclosed. A beam of free electrons is directed from a free-electron source, such as an electron gun (4, 15), into an enclosing conductive surface (2, 12). The free-electron sour...  
WO/2002/078059A1
The present invention discloses a new field emitter cell (100) and array consisting of groups of nanofilaments (114) forming emitter cathodes. Control gates are microprocessed to be integrally formed with groups of nanofilament emitter c...  
WO/2002/073647A1
A field emitter cell and array consist of groups of nanofilaments (114) forming emitter cathodes (116). Control gates (108) are microprocessed to be integrally formed with groups of nanofilaments emitter cathodes on a substrate (102). Gr...  
WO/2002/065499A2
A light-emitting device is provided with getter material (58) that can readily be distributed in a relatively uniform manner across the device's active light-emitting portion. An electron-emitting device is similarly provided with getter...  
WO/2002/061790A2
A microcathode which integrates both an electron emitter, or cathode, and an extractor electrode. The electron emitter is attached to the back side of a thin film microstructure on a first surface of a substrate. Electrons are emitted fr...  
WO/2002/061789A1
Low-cost electron emission device and field emission display using a cold cathode that is high in electron beam utilization efficiency and can restrict the spreading of an electron beam. A configuration is built such that an electric fie...  
WO2002021558A3
A vacuum gap dielectric field emission triode and a method of fabrication include a conductive layer (21) positioned on a supporting substrate (20) and an emitter (25) positioned on the conductive layer. A gate metal layer electrically s...  
WO2001043202A3
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 ...  
WO2002017346A3
An electron source is disclosed in which control signals having transition times less than about 10 nanoseconds and electrically isolated from a gated photocathode control an electron beam supplied by the gated photocathode. In one embod...  
WO/2002/045113A1
A pattern forming method for carbon nanotube (106) capable of forming a pattern by wet-etching a carbon nano-tube (106) by a transfer method, comprising the steps of using a solution dissolving a binder used for the transfer method as a ...  
WO2002019372A3
Systems and methods are described for field emission devices having carbon nanofiber emitters. A method, includes: providing a substance; depositing a catalyst, the catalyst coupled to the substrate; depositing a dielectric layer, the di...  
WO2002019377A3
A system (10) for inhibiting the transport of contaminant particles (60) with an ion beam (44) includes a pair of electrodes (14, 16) that provide opposite electric fields (26, 28, 30, 32) through which the ion beam (44) travels. A parti...  
WO2002019378A3
A system for inhibiting the transport of contaminant particles with an ion beam includes an electric field generator (12, 14) for generating an electric field (28) relative to a path of travel (20) for the ion beam (16). A particle (66) ...  
WO/2002/033689A1
The object of the present invention is to provide a driving method and a driving apparatus for a field emission device that controls emission current with stability regardless of how long the device is driven. The field emission device d...  
WO/2002/031850A1
A field emitter (10) having improved electron emission properties is provided. Electron-emitting microtip protrusions (14) in an emitter layer (12) are separated from a dielectric layer (18) by an interlayer (16) that prevents substantia...  
WO/2002/029843A1
An electron field emission device is provided by placing a substrate in a reactor, heating the substrate and supplying a mixture of hydrogen and a carbon-containing gas to the reactor while supplying energy to the mixture of gases near t...  
WO/2002/027745A1
A cold-cathode electron source having an improved use efficiency of an electron beam and a simple structure. The cold-cathode electron source comprises a gate electrode (4) provided on a substrate (2) through an insulating layer (3) and ...  
WO/2002/021558A2
A vacuum gap dielectric field emission triode and a method of fabrication include a conductive layer (21) positioned on a supporting substrate (20) and an emitter (25) positioned on the conductive layer. A gate metal layer electrically s...  
WO/2002/019372A2
Systems and methods are described for field emission devices having carbon nanofiber emitters. A method, includes: providing a substance; depositing a catalyst, the catalyst coupled to the substrate; depositing a dielectric layer, the di...  
WO/2002/019378A2
A system for inhibiting the transport of contaminant particles with an ion beam includes an electric field generator (12, 14) for generating an electric field (28) relative to a path of travel (20) for the ion beam (16). A particle (66) ...  
WO/2002/019377A2
A system (10) for inhibiting the transport of contaminant particles (60) with an ion beam (44) includes a pair of electrodes (14, 16) that provide opposite electric fields (26, 28, 30, 32) through which the ion beam (44) travels. A parti...  
WO/2002/017346A2
An electron source is disclosed in which control signals having transition times less than about 10 nanoseconds and electrically isolated from a gated photocathode control an electron beam supplied by the gated photocathode. In one embod...  
WO2001056051A3
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/2001/093293A1
A plasma ion source comprises a cathode chamber (1) with a gas input unit (2). A hollow cathode (3) forming an anode chamber (4) is connected with the cathode chamber (1) via the outlet made in the wall of the latter. The ion source stru...  

Matches 301 - 350 out of 3,747