Matches 151 - 200 out of 396 < 1 2 3 4 5 6 7 8 >
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6390877 Method for manufacturing an electron gun including a metal layer between a base metal and an electron emitting layer  
The present invention relates to a cathode for an electron gun for increasing its life cycle under a high current density load by ensuring a diffusion path of reducing component served for...
6342755 Field emission cathodes having an emitting layer comprised of electron emitting particles and insulating particles  
Electrophoretic deposition provides an efficient process for manufacturing a field emission cathode. Particles of an electron emitting material mixed with particles of an insulating material are...
6328904 Manufacture of a field emission element with fined emitter electrode  
A method of manufacturing a field emission element comprises steps of: (a) forming a base layer comprising a gate film being capable of chemical reaction accompanied by volume expansion; (b)...
6312965 Method for sharpening emitter sites using low temperature oxidation process  
An improved method for sharpening emitter sites for cold cathode field emission displays (FEDS) includes the steps of: forming a projection on a baseplate; growing an oxide layer on the projection...
6283812 Process for fabricating article comprising aligned truncated carbon nanotubes  
The emission properties of aligned nanotube arrays are improved by truncating the ends of the nanotubes. Truncation provides nanotubes having a height within, for example, 30% of the average...
6274881 Electron emission element having semiconductor emitter with localized state, field emission type display device using the same, and method for producing the element and the device  
In an electron emission element having an emitter section for emitting electrons, the emitter section includes, on a first conductive electrode, a structure in which at least a first semiconductor...
6267637 Electron-emitting element, method of making the same, and electronic device  
An electron-emitting element comprises a diamond substrate, and a diamond protrusion grown on a surface of the diamond substrate so as to have a pointed portion in a form capable of emitting an...
6263045 High reflectivity cathode cups for x-ray tube applications  
A x-ray tube comprises a cathode cup assembly. The cathode cup assembly comprises a filament positioned in a cathode cup. A surface of the cathode cup assembly is exposed to incident infrared...
6252342 Impregnated cathode structure for a CRT and its manufacturing method  
Disclosed is an impregnated cathode structure for a cathode ray tube and its manufacturing method, in which electron emitting material impregnated in a pellet is free from an effect of the welding...
6250984 Article comprising enhanced nanotube emitter structure and process for fabricating article  
An improved process for fabricating nanotube field emitter structures is provided, in which the nanotubes protrude from a supporting base material to improve emission properties. The resulting...
6249080 Field emission electron source, method of producing the same, and use of the same  
A field emission electron source comprising an electrically conductive substrate, an oxidized or nitrided porous polysilicon layer formed on the surface of said electrically conductive substrate on...
6231412 Method of manufacturing and adjusting electron source array  
In an electron source having a plurality of surfaceconduction electron-emitting devices, the electrical characteristics of the surfaceconduction electron-emitting devices are made, controllable,...
6227926 Construction of electrode for high pressure discharge lamp and process for producing the same  
In a construction of electrode for a high pressure discharge lamp used with maintaining a high input of electricity, which discharge lamp comprises a valve composed of a luminescence tube having a...
6228667 Field emission displays with reduced light leakage  
Semiconductor devices may be made by forming a silicided layer on a silicon material such as that used to form the extractor of a field emission display. The silicided layer may be self-aligned...
6222308 Emitter material for cathode ray tube having at least one alkaline earth metal carbonate dispersed or concentrated in a mixed crystal or solid solution  
An emitter material for a CRT comprises mixed crystal or solid solution of at least two kinds of alkaline earth metal carbonate, wherein at least one alkaline earth metal carbonate is dispersed or...
6220912 Method and apparatus for producing electron source using dispenser to produce electron emitting portions  
In order to suppress variation in delivery amounts in dispensing a material for forming electron emitting portions, a substantially homogeneous material is dispensed from a plurality of output...
6200183 Application of electron field emission from diamond grown by a multiple pulsed laser process  
The preparation and use of diamond as an electron emission material is disclosed. Satisfactory measurements were conducted on diamond coatings deposited on WC-Co alloy by a multiple pulsed laser...
6184611 Electron-emitting element  
An electron-emitting element comprises a diamond substrate, and a diamond protrusion grown on a surface of the diamond substrate so as to have a pointed portion in a form capable of emitting an...
6146230 Composition for electron emitter of field emission display and method for producing electron emitter using the same  
An electron emitter composition comprising electron emitting materials, dispersion agent, binder, and pure water is provided. An electron emitter of an FED is produced by the steps of forming a...
6136621 High aspect ratio gated emitter structure, and method of making  
A high aspect ratio gated emitter structure and a method of making the structure are disclosed. Emitters may be provided in a densely packed array on a support. Two distinct layers of insulator...
6132278 Mold method for forming vacuum field emitters and method for forming diamond emitters  
Diamond microtip field emitters are used in diode and triode vacuum microelectronic devices, sensors and displays. Diamond diode and triode devices having integral anode and grid structures can be...
6129602 Methods of fabricating an electron emission device comprised of a metal nucleus, a carbon coating, and a low-work-function material and a method of fabricating an image display device utilizing this electron emission device  
An electron emission device can be driven with a low voltage and has an excellent mass production capability. A display device, such as a color flat panel or the like, which uses such electron...
6093074 Vacuum microdevice and method of manufacturing the same  
A vacuum microdevice includes a first electrode, an insulating film, and a second electrode. The first electrode projects in a current radiation region on a substrate and has a sharp tip. The...
6091186 Carbon-containing cathodes for enhanced electron emission  
A cathode has electropositive atoms directly bonded to a carbon-containing substrate. Preferably, the substrate comprises diamond or diamond-like (sp 3 ) carbon, and the electropositive atoms are...
6069018 Method for manufacturing a cathode tip of electric field emission device  
A method for manufacturing a cathode tip of electric field emission device includes depositing conductive layer and undoped silicon layer on the insulator substrate sequentially; forming a tip-mask...
6062934 Jig for aligning/fixing oxide cathode and method of fabrication oxide cathodes using the same  
A large number of oxide cathodes are aligned in an oxide cathode aligning/fixing jig which is formed in a plate shape composed of an upper member and lower member. The horizontal positions of the...
6045711 Vacuum seal for field emission arrays  
A vacuum seal suitable for use with field emission arrays is described. This seal has high reliability because the expansion coefficients of the metal and the glass are closely matched. Materials...
6043103 Field-emission cold cathode and method of manufacturing same  
A field-emission cold cathode includes a substrate having a sharply pointed emitter disposed on a surface thereof and serving as an emitter electrode, an insulating film disposed on the substrate,...
6033280 Method for manufacturing emitter for cathode ray tube  
An emitter material for a CRT comprises mixed crystal or solid solution of at least two kinds of alkaline earth metal carbonate, wherein at least one alkaline earth metal carbonate is dispersed or...
6033924 Method for fabricating a field emission device  
A method for fabricating a field emission device (200) includes the steps of forming on the surface of a substrate (110) a cathode (112), forming on the cathode (112) a dielectric layer (114),...
6024622 Field emission type emitter  
A method for manufacturing a field emission type emitter including a cathode electrode formed on a substrate, an insulating film formed on the cathode electrode, a cavity formed in the insulating...
6020677 Carbon cone and carbon whisker field emitters  
Carbon cone and carbon whisker field emitters are disclosed. These field emitters find particular usefulness in field emitter cathodes and display panels utilizing said cathodes. The carbon cone...
6019913 Low work function, stable compound clusters and generation process  
Low work function, stable compound clusters are generated by co-evaporation of a solid semiconductor (i.e., Si) and alkali metal (i.e., Cs) elements in an oxygen environment. The compound clusters...
6017259 Method of manufacturing electron-emitting device, electron source and image-forming apparatus  
An electron-emitting device has a pair of device electrodes formed on a substrate, an electroconductive film connecting the device electrodes and an electron-emitting region formed in the...
6010918 Gate electrode structure for field emission devices and method of making  
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...
6008062 Undercutting technique for creating coating in spaced-apart segments  
A technique for creating a patterned coating entails forming a first region (26) over a primary component (22). A second region (28) is formed over part of the first region. The first region is...
6008575 Light source including a field emission cathode, and a field emission cathode  
A field emission cathode has particular use in a light source. The light source includes an evacuated container having walls, at least a portion of which consists of an outer glass layer which on...
6000982 Method of manufacturing a cold-cathode for a discharge device  
A method of manufacturing a cold-cathode for a discharging device by forming a film containing a rare earth element on a base plate; and oxidizing said rare earth element of said film. The...
5984752 Electron emission cathode; an electron emission device, a flat display, a thermoelectric cooling device incorporating the same; and a method for producing the electron emission cathode  
An electron emission cathode includes: an n-type semiconductor film including diamond particles partially projecting from a surface of the n-type semiconductor film; and an anode opposing the...
5977697 Field emission devices employing diamond particle emitters  
Improved diamond particle emitters, useful for flat panel displays, are fabricated by suspending nanometer-sized ultra-fine particles in a solution, applying the suspension as a coating onto a...
5966588 Field emission display device fabrication method  
An improved field emission display device fabrication method which adopts both a silicon wafer direct bonding method and a mold method so as to fabricate an improved field emission display device,...
5951352 Methods of making thermionic cathode using oxygen deficient and fully oxidized material to enhance emissions  
A method is provided of preparing an impregnated cathode with enhanced thionic emission from a porous billet by impregnating the billed with a suitable impregnant in the presence of an oxygen...
5947783 Method of forming a cathode assembly comprising a diamond layer  
A cathode assembly includes a substrate, a plurality of electrically conducting strips deposited on the substrate, and a continuous layer of diamond material deposited over the plurality of...
5948465 Process for making a field emitter cathode using a particulate field emitter material  
A process for making a field emitter cathode is disclosed, which comprises the steps of depositing a solution of a metal compound in a solvent and an electron emitting powder onto the surface of a...
5916005 High curvature diamond field emitter tip fabrication method  
A high curvature diamond field emitter tip fabrication method includes forming on a substrate a diamond film composed of square (100) phase-oriented facets and (111) phase-oriented facets...
5917284 Sputter-resistant conductive coatings with enhanced emission of electrons for cathode electrodes in DC plasma addressing structure  
A conductive refractory compound coating for electrodes is sputter resistant, very resistant to oxidation, and easy to apply by way of electrophoresis or screen printing. This structure is further...
5890941 Method of manufacturing a dispenser cathode  
A method of manufacturing a dispenser cathode, in which method a powder of a refractory metal and a scandium-containing powder are mixed with each other and pressed to form a cathode body....
5888113 Process for making a cesiated diamond film field emitter and field emitter formed therefrom  
A process for making a cesiated diamond film comprises (a) depositing a quantity of cesium iodide on the diamond film in a vacuum of between about 10 -4 Torr and about 10 -7 Torr, (b) increasing...
5877588 Field emission cathode and a light source including a field emission cathode  
A field emission cathode (40) includes field emitting bodies (42) in the form of fibers, and a base body having a longitudinally extending core (41) formed by at least two wires (43) between which...
5860844 Cold cathode electron source element and method for making  
A cold cathode electron source element having a cold cathode on a substrate. The cold cathode has dispersed in a cold cathode base particles of a conductive material having a lower work function...
Matches 151 - 200 out of 396 < 1 2 3 4 5 6 7 8 >