The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8177599 | Method for making cathode of emission double-plane light source and emission double-plane light source A method for making a field emission double-plane light source includes following steps. A metallic based network, a pair of anodes, and a number of supporting members, are provided. Each of the anodes includes an anode conductive layer and a fluorescent layer forme... | 05/15/2012 |
| 8075360 | Electron-emitting device, electron source, image display apparatus, and manufacturing method of electron-emitting device A manufacturing method of an electron-emitting device including the steps of: preparing a base substrate provided with an insulating or semi-conducting layer in advance and exposing the layer to an atmosphere which contains neutral radical containing hydrogen. It is... | 12/13/2011 |
| 8075361 | Electron source manufacturing method A constitution that conductive members respectively having micropatterns are arranged in high density is manufactured in high accuracy. A conductive film is formed on a substrate, a negative photosensitive resin is applied, the applied resin is exposed by using a fi... | 12/13/2011 |
| 8075359 | Phosphorus-doped diamond film allowing significantly reduced electron emission voltage, method for producing the same, and electron source using the same A phosphorus-doped diamond film, which contains phosphorus at a concentration of 1015 cm−3 or more, has a resistivity of 107 Ωcm or less, and allows the voltage for initiation of electron emission to be 30V or less. A method for p... | 12/13/2011 |
| 8016633 | Method for making field emission device incorporating a carbon nanotube yarn A method for making a field emission device includes the following steps. A base and at least one carbon nanotube yarn are provided. The at least one carbon nanotube yarn is attached to the base. The at least one carbon nanotube yarn includes a plurality of carbon n... | 09/13/2011 |
| 8007336 | Field emission display device A method for manufacturing a field emission element includes the following steps. The insulating substrate is provided. At least one grid, a first electrode and a second electrode are formed on the insulating substrate. The first and second electrodes are within the... | 08/30/2011 |
| 7967655 | Electron emission apparatus and method for making the same An electron emission apparatus includes an insulating substrate, one or more grids located on the substrate, wherein the one or more grids includes: a first, second, third and fourth electrode that are located on the periphery of the gird, wherein the first and the ... | 06/28/2011 |
| 7927169 | Method of manufacturing thin film, substrate having thin film, electron emission material, method of manufacturing electron emission material, and electron emission device A method of manufacturing a thin film, including: mixing carbon nanofibers into an elastomer including an unsaturated bond or a group having affinity to the carbon nanofibers, and dispersing the carbon nanofibers by applying a shear force to obtain a carbon fiber co... | 04/19/2011 |
| 7819718 | Electronic device having catalyst used to form carbon fiber according to Raman spectrum characteristics A method of making an electron-emitting device has the steps of disposing a film containing metal on a substrate, arranging a plurality of catalytic particles on the film containing metal, and heat-treating the substrate on which the plurality of catalytic particles... | 10/26/2010 |
| 7785165 | Methods for making field emission electron source having carbon nanotube A method for manufacturing a field emission electron source includes the following steps: (a) providing a pair of conductive bases (32, 42) each having a top (322, 422), the tops being spaced apart from and opposite to each other, the tops being immers... | 08/31/2010 |
| 7722425 | Electron source manufacturing method An electron source excellent in the uniformity in current emission distribution is provided certainly and at a low cost. A process for producing an electron source having an electron emitting portion at one end of a rod, which comprises a step of forming the ... | 05/25/2010 |
| 7594841 | Carbon nanotube field emitter array and method for fabricating the same A method for fabricating a carbon nanotube field emitter array is disclosed, which has the steps of (a) providing a substrate; (b) forming a cathode layer having a first pattern on the substrate; (c) forming an opaque insulating layer having a second pattern on the ... | 09/29/2009 |
| 7585199 | 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 be any ions, including gallium, hydrogen, helium, argon, carbon, oxy... | 09/08/2009 |
| 7582002 | Manufacturing method of electron emitting device, electron source and image display apparatus In an electron-emitting device having a pair of electroconductors arranged on a substrate at an interval, a top of one electroconductor is higher than that of the other electroconductor and a groove extending from the interval region toward a position under a region... | 09/01/2009 |
| 7572165 | Method for making a carbon nanotube-based field emission cathode device including layer of conductive grease A preferred method for making a carbon nanotube-based field emission cathode device in accordance with the invention includes the following steps: preparing a solution having a solvent and a predetermined quantity of carbon nanotubes dispersed therein; providing a b... | 08/11/2009 |
| 7455565 | Fabrication of group III-nitride photocathode having Cs activation layer Improved photocathodes are provided by a fabrication method including steps of wet chemically cleaning the photocathode emission surface (to reduce the level of cleaning-induced surface damage), two stage heat treatment (to complete the cleaning without desorbing ni... | 11/25/2008 |
| 7438622 | Fabrication method of carbon-fiber web structure type field emitter electrode The present invention provides a field emitter electrode and a method for fabricating the same. The method comprises the steps of mixing a carbonizable polymer, carbon nanotubes and a solvent to prepare a carbon nanotube-containing polymer solution, electrospinning ... | 10/21/2008 |
| 7399215 | Method of manufacturing electron-emitting device and electron source In an electron-emitting device having an electron-emitting member containing carbon as a main component, and an extraction electrode arranged near the electron-emitting member, electrons can be emitted by substantially only a region of the electron-emitting member c... | 07/15/2008 |
| 7399214 | Method of manufacturing electron emission source The step of forming an opening in an insulating layer to expose a carbon nanotube layer is performed using two types of dry etching different from each other in conditions. In the first-stage dry etching step, a hole is formed in the insulating layer to such a depth... | 07/15/2008 |
| 7384792 | Method of fabricating nano-structured surface and configuration of surface enhanced light scattering probe A method to fabricate an optical scattering probe and the method includes the steps of a) depositing an conductive layer on a substrate followed by depositing a noble metal layer on top of the conductive layer and then an aluminum layer on top the noble metal layer;... | 06/10/2008 |
| 7374467 | Fabrication method of field emitter electrode and field emission device produced by using the same A method for fabricating a field emitter electrode includes the steps of: providing an electrolytic solution containing metal ions to an electrolytic bath; providing carbon nanotubes and a cationic dispersant for preventing the agglomeration of the carbon nanotubes ... | 05/20/2008 |
| 7372194 | Electron emission source composition for flat panel display and method of producing electron emission source for flat panel display using the same Disclosed is an electron emission source composition for a flat panel display using the same, comprising carbon nanotubes, a vehicle, and an organotitanium or an organometallic compound, and a method of producing the electron emission source composition having impro... | 05/13/2008 |
| 7357691 | Method for depositing carbon nanotubes on a substrate of a field emission device using direct-contact transfer deposition A preferred method for making a carbon nanotube-based field emission device in accordance with the invention includes the following steps: providing a substrate (22) with a surface; depositing a catalyst layer (24) on a predetermined area on the surfac... | 04/15/2008 |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7357690 | Method for aligning needle-like structures and alignment unit An alignment unit and an alignment method for aligning needle-like structures. The alignment unit includes a substrate having a surface and grooves defined in the surface. The grooves are sized and arranged such that when the needle-like structures are received ther... | 04/15/2008 |
| 7354329 | Method of forming a monolithic base plate for a field emission display (FED) device A substrate is provided and is configurable into a base plate for a field emission display. A plurality of discrete, segmented regions of field emitter tips are formed by at least removing portions of the substrate. The regions are electrically isolated into separat... | 04/08/2008 |
| 7355335 | Electron-emitting device and image display apparatus using the same An electron-emitting device substrate includes a substrate and a plurality of surface conduction electron-emitting elements. Each surface conduction electron-emitting element comprises a pair of opposing electrodes disposed on the substrate and a conductive circular... | 04/08/2008 |
| 7351951 | Optoelectronic semiconductor device and method of manufacturing such a device The invention relates to a semiconductor device (10) comprising a semiconductor element (1), particularly a solid-state image sensor (1), comprising a semiconductor body (11) of which one surface comprises an optically active part (1 | 04/01/2008 |
| 7348591 | Switch element, memory element and magnetoresistive effect element A switch element includes a substrate; a plurality of carbon nanotubes provided upright on the substrate; magnetic particles arranged at tip ends of the carbon nanotubes respectively; and a plurality of conductive layers formed between base ends of the carbon nanotu... | 03/25/2008 |
| 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 vermicular carbon deposits having diameters of less than about one micron... | 03/11/2008 |
| 7335395 | Methods of using pre-formed nanotubes to make carbon nanotube films, layers, fabrics, ribbons, elements and articles Methods of Using Preformed Nanotubes to Make Carbon Nanotube Films, Layers, Fabrics, Ribbons, Elements and Articles are disclosed. To make various articles, certain embodiments provide a substrate. Preformed nanotubes are applied to a surface of the substrate to cre... | 02/26/2008 |
| 7335081 | Method for manufacturing image-forming apparatus involving changing a polymer film into an electroconductive film The present invention provides a method for manufacturing an electron-emitting device, comprising a step for forming a polymer film between a pair of electrodes formed on a substrate, a step for giving conductivity to the polymer film by heating, and a step for prov... | 02/26/2008 |
| 7329567 | Vertical field effect transistors incorporating semiconducting nanotubes grown in a spacer-defined passage Vertical field effect transistors having a channel region defined by at least one semiconducting nanotube and methods for fabricating such vertical field effect transistors by chemical vapor deposition using a spacer-defined channel. Each nanotube is grown by chemic... | 02/12/2008 |
| RE40062 | Display device with electron-emitting device with electron-emitting region insulated from electrodes A display device includes an electron-emitting device which is a laminate of an insulating layer and a pair of opposing electrodes formed on a planar substrate. A portion of the insulating layer is between the electrodes and contains fine particles of an electron em... | 02/12/2008 |
| 7326097 | Method and apparatus for manufacturing image displaying apparatus A method and an apparatus of manufacturing an image displaying apparatus including an electron source substrate and a phosphor substrate. The electron source substrate is provided with an electron emitting element formed by covering with a container and by applying ... | 02/05/2008 |
| 7323136 | Containerless mixing of metals and polymers with fullerenes and nanofibers to produce reinforced advanced materials The present invention relates to fullerene, nanotube, or nanofiber filled metals and polymers. This invention stems from a cross-disciplinary combination of electromagnetic and acoustic processing and property enhancement of materials through fullerene or nanofiber ... | 01/29/2008 |
| 7318763 | Carbide nanostructures and methods for making same A structure includes a substrate and a metallized carbon nano-structure extending from a portion of the substrate. In a method of making a metallized carbon nanostructure, at least one carbon structure formed on a substrate is placed in a furnace. A metallic vapor i... | 01/15/2008 |
| 7317277 | Electron field emitter and compositions related thereto This invention provides compositions of matter that contain an electron emitting substance and an expansion material. The expansion material may, for example, be an intercalation compound. When a film is formed from the composition, expansion of the expansion materi... | 01/08/2008 |
| 7312561 | Electron-emitting device, electron source, and method for manufacturing image displaying apparatus An electron-emitting device is equipped with a pair of first electroconductive members arranged on a substrate with an interval between them, wherein the interval becomes narrower at an upper position distant from a surface of the substrate than at a position on the... | 12/25/2007 |
| 7306503 | Method and apparatus of fixing carbon fibers on a substrate using an aerosol deposition process Evaporation and condensation of carbon is effected by arc discharge between an anode formed of a carbon electrode and a cathode disposed facing the carbon electrode 2 in an inert gas atmosphere, and at the same time, the generated carbon nanotubes are dispers... | 12/11/2007 |