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WO/2000/052726A1 |
A cathode structure for a field emission display (FED) includes a substrate made of glass and electrodes disposed on the substrate. The substrate if formed of a photosensitive glass and includes groove-shaped recesses, with the electrode...
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WO/2000/052733A1 |
An enhanced electron source in most respects similar to a standard cathode assembly for an electron gun includes an electron emitter (14) surrounded by a suppressor electrode (16), the emitted electrons passing through an extractor elect...
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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...
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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...
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WO/2000/033344A1 |
The present invention is a system and method for reducing the voltage necessary to produce a glow discharge in a gas (14). This is done by fabricating the cathode (20) in a gas discharge out of a conductive material that is permeable to ...
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WO/2000/030141A1 |
A field emission device (20) having bundles (28) of aligned parallel carbon nanotubes on a substrate (22). The carbon nanotubes (28) are oriented perpendicular to the substrate (22). The carbon nanotube bundles (28) may be up to 300 micr...
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WO/2000/028566A1 |
A direct heating cathode unit (100) including a metal alloy emitter (110) having at least two parallel lateral surfaces (113, 115) extending crosswise with respect to a longitudinal geometrical axis penetrating a base, two heater wires (...
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WO/2000/025338A1 |
A cathode including an electron-emitting layer formed on a substrate containing a reductive element satisfies an expression of 0.24$m(F)B/A$m(F)0.93, where A is the surface area of the substrate and B is the contact area between the subs...
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WO/2000/024027A1 |
A field emission device (100, 150) includes a cathode plate (102, 180) having electron emitters (116), an anode plate (104, 170) having a phosphor (107, 207, 307, 407) activated by electrons (119) emitted by electron emitters (116), and ...
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WO/2000/021110A1 |
A cathode material of an electron beam device comprising 0.5 to 9.0 % by weight of a rare-earth metal of the cerium group, 0.5 to 15.0 % by weight of tungsten and/or rhenium, 0.5 to 10 % by weight of hafnium and the balance of iridium is...
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WO1999066523B1 |
An electron emitting device comprising a first electrode (2) and an electron emitting part (24) provided on the first electrode (2) and constituted of particles or their aggregates (3), the particles (3) containing a carbonaceous materia...
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WO/2000/013197A1 |
A field emission source (10) comprises a p-type silicon substrate (1), an n-type region (8) formed into stripes in a major surface of the substrate (1), strong-field drift layers (6) which are formed on the n-type region (8) in which ele...
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WO/2000/011104A1 |
The invention relates to a method of coating a luminescent material with a layer of a metal oxide M¿2?O¿3? wherein a metal M is chosen from the group formed by Y, AI and La. According to the invention, a watery solution of a complex of...
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WO/2000/010643A1 |
A cathode structure comprising a getter material provided with a diamond film. The getter material may include zirconium, vanadium and iron. Cathode structures may have a substantially rounded configuration including a substantially stra...
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WO/2000/010190A2 |
The present invention relates to a field emitter of electrons comprising a substrate with a deposited layer on it. According to the invention the substrate is made of nanomaterial, i.e. a porous carbon material having skeleton structure,...
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WO1999060597A9 |
The present invention may be used in the production of highly efficient films for electron field emitters. The cold-emission cathode of the present invention comprises a substrate having a carbon film with an irregular structure applied ...
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WO/2000/008667A1 |
A field electron emission material has a substrate (1700) with an electrically conductive surface. Electron emission sites on the conductive surface each include a layer of electrically insulating material (1703) to define a primary inte...
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WO/2000/002223A1 |
A junction-based field emission display, wherein the junctions are formed by depositing a semiconducting or dielectric, low work function, negative electron affinity (NEA) silicon-based compound film (SBCF) onto a metal or n-type semicon...
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WO/2000/002222A1 |
The invention concerns a field emission device comprising at least a planar cathode (1) made of conductive material with low electronic affinity located on one face (20) of a substrate (2) bearing a dielectric material layer (4) having a...
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WO/1999/067802A1 |
A photocathode comprising a laminate (10) composed of a UV glass substrate (3) and, successively formed thereof, an SiO2 layer (15), a GaAlN layer (17a), a III - V nitride semiconductor layer (18) and a Cs-O layer (19). The UV glass subs...
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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...
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WO/1999/065050A1 |
A planar electron emitter, based on the existence of quasi-ballistic transport of electrons is disclosed. In its preferred embodiment the planar electron emitter structure consists of a body of finite gap pure semiconductor or insulator,...
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WO/1999/063568A1 |
A unfibrous field emission element (30) is provided including a conductive fibrous central core element (32) having an insulating material (33) directly thereon the conductive fibrous central core element and a gate electrode (34) direct...
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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...
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WO/1999/060598A1 |
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 are easily patterned during deposition o...
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WO/1999/059178A1 |
A cathode-ray tube having a high resolution achieved without lowering the electron emission characteristics. A printing paste containing a mixture, in combination, of first particles of needle-like shape and second particles of lump shap...
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WO/1999/059024A2 |
A method for enhancing the conductivity of transparent conductive electrodes on display substrates by providing patterned auxiliary metallic layers adjacent to the transparent conductive material. The method of the present invention elim...
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WO/1999/057743A1 |
An electron source is proposed where a field emitter is formed by a whisker grown epitaxially on a substrate. A ballast resistor and an active area are placed in the body and/or on the surface of the field emitter. The ballast resistor c...
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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...
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WO/1999/050875A1 |
An infrared photocathode detector (80) consists of an infrared radiation absorbing structure based on a QWIP (84) or EQWIP multi-layer structure on top of an electron conducting contact layer (86) having a negative electron affinity back...
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WO/1999/050880A1 |
A method of forming a phosphor having the empirical formula: (Y¿1-x-y-z?Gd¿x?Tb¿y?Ce¿z?)BO¿3? wherein: 0.0$m(F)x$m(F)0.2; 0.01$m(F)y$m(F)0.1; and 0.0$m(F)z$m(F)0.1; which method comprises: thermally decomposing a xerogel at a temper...
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WO/1999/050874A2 |
A photocathode (300) having a gate electrode (307) so that modulation of the resulting electron beam is accomplished independently of the light beam (303). The photocathode includes a transparent substrate (301), a photoemitter (302), an...
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WO/1999/049520A1 |
Disclosed are flat/vertical type vacuum field transistor (VFT) structures, which adopt a MOSFET-like flat or vertical structure so as to increase the degree of integration and can be operated at low operation voltages at high speeds. The...
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WO/1999/049491A1 |
A field-emission electron source which comprises a field-emission electron source part formed on a p-type silicon substrate (1) and an n-channel field-effect transistor part formed on the p-type silicon substrate (1) in a position corres...
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WO/1999/049492A1 |
Disclosed are flat panel line field emitter displays whose unit cell structure adopt a planar cathode structure instead of a conventional microtip structure, so as to increase the degree of integration and can be operated at low operatio...
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WO/1999/047980A1 |
Methods for fabricating nano-structured surfaces having geometries in which the passage of elementary particles through a potential barrier is enhanced are described. The methods use combinations of electron beam lithography, lift-off, a...
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WO/1999/048122A1 |
The inventors have established that certain polymer materials exhibit field emission at very low threshold electric fields. A field emission cathode utilising this phenomenon is disclosed and also its application in a field emission disp...
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WO/1999/048124A1 |
An electroluminescent device (20) including a close arrangement of a first set (22) and second set (24) of fibers which include conductive elements (28) and coat of light emitting substance.
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WO/1999/048123A1 |
A thin-film electron source which has such a structure that a lowr electrode (11), an insulating layer (12), and an upper layer (13) are deposited in this order and which releases electrons into a vacuum from the surface of the upper ele...
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WO/1999/048133A1 |
A short-arc discharge lamp (1) of the invention is provided with a translucent lamp vessel (10) which is closed in a gas-tight manner and which is provided with an ionizable fill. A first and a second electrode (11a, 11b) are arranged in...
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WO/1999/046791A1 |
The present invention provides for transparent electrodes (2) useful in display devices. The transparent electrodes (2) are deposited on a substrate (1) and formed with one or more apertures on their top surface that permit a second elec...
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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...
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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...
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WO/1999/044215A1 |
The present invention pertains to the field of vacuum electronics and more precisely relates to a field emitter intended for use as an electron source (cathode) in vacuum electronic devices for various purposes such as cathodic luminesce...
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WO/1999/043870A1 |
A field emission cathode (20) is provided comprising an emissive member (22) formed of a porous foam carbon material. The emissive member has an emissive surface (24) defining a multiplicity of emissive edges.
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WO/1999/040601A1 |
An electron emitting device comprises an electron transport member (1), an electron emitting member (3), and an electric field concentration region (2) formed between the electron transport member (1) and the electron emitting member (3)...
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WO/1999/040628A1 |
A method for promoting the passage of elementary particles at or through a potential barrier comprising providing a potential barrier having a geometrical shape for causing de Broglie interference between said elementary particles is dis...
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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...
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WO/1999/039361A1 |
A plurality of field emission cathodes (601) generate an emission of electrons, wherein the emission of electrons is then controlled and focused using various electrodes (602, 603, 604) to produce an electron beam. Horizontal and vertica...
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WO/1999/038185A2 |
A method and apparatus are provided for providing an ion transmission device or interface between an ion source and a spectrometer. The ion transmission device can include a multipole rod set and includes a damping gas, to damp spatial a...
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