Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8189020 | Thermal head, thermal printer, and manufacturing method for thermal head To improve heat generating efficiency and printing quality, a plurality of heating resistors (14) are arranged with spaces therebetween on a heat storage layer (13) laminated on a surface of a supporting substrate (11) via an adhesive layer (... | 05/29/2012 |
| 8111273 | Thermal head, printer, and manufacturing method for thermal head To achieve improvements in heating efficiency and strength against external load, provided is a thermal head (1), comprising: a supporting substrate (3) having a surface in which a concave portion (2) is formed; a heat storage layer (5) b... | 02/07/2012 |
| 7443409 | Thermal printhead A thermal printhead (A) according to the present invention includes a heating resistor (5) formed on a substrate (1), an electrode (3) for energizing the heating resistor (5), and a protection film (6) for covering the heating resi... | 10/28/2008 |
| 7372477 | Thermal head and manufacturing method thereof A method for manufacturing a thermal head is provided which includes the steps of forming a resistor layer and an insulating barrier layer, patterning the above two layers to form aligned heating resistors, forming a solid electrode layer over the heating resistors ... | 05/13/2008 |
| 7239481 | Magnetic head having multilayer heater for thermally assisted write head and method of fabrication thereof A magnetic head including a media heating device that is preferably fabricated within the magnetic head structure. The heating device preferably includes an electrical heating element and electrical leads, where an insulation layer disposed above the heating element... | 07/03/2007 |
| 7216960 | Method of driving a printhead using a constant current and operating MOS transistor in saturation region This invention relates to a printhead substrate capable of suppressing an increase in wiring width and an increase in the size of a substrate formed by a film forming process while increasing the number of simultaneously driven printing elements in order to improve ... | 05/15/2007 |
| 7212222 | Thermal head and thermal printer A heating element of a thermal head has a first electrode layer formed on a glaze layer and a second electrode layer formed opposite to the first electrode layer. A first insulation layer is formed on the first electrode layer to expose both ends of the first electr... | 05/01/2007 |
| 7197253 | Image forming apparatus including two CPUs to control a fixing device An image forming apparatus, is provided with a fixing device including a heat source to receive power supply and to generate heat, and a temperature sensor to detect a temperature of the heat source; a control section to conduct a heat source temperature control and... | 03/27/2007 |
| 7192489 | Method for polymer residue removal following metal etching A method for removing polymer containing residues from a semiconductor wafer including metal containing features including providing a semiconductor wafer having a process surface including metal containing features said process surface at least partially covered wi... | 03/20/2007 |
| 7190386 | Thermal print head A thermal print head includes an insulating board (2), a glaze layer (21) formed on the board (2), a wiring pattern (22) formed on the glaze layer (21), and an electrode (6) connected to the wiring pattern (22). The e... | 03/13/2007 |
| 7170389 | Apparatus for tantalum pentoxide moisture barrier in film resistors The present invention discloses a method of manufacturing a thin resistor with a moisture barrier by depositing a metal film layer on a substrate and depositing a layer of tantalum pentoxide film overlaying the metal film layer. The present invention also includes a... | 01/30/2007 |
| 7106356 | Thermal head having wear-resistant protective film A method of producing a wear-resistant protective film for a thermal head comprises depositing a wear-resistant protective film by sputtering on a thermal head which includes a substrate, and a heat-developing layer and a pair of electrodes formed on either the subs... | 09/12/2006 |
| 7055937 | Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus The invention provides a heat generating resistant element having a high durability and a high resistance suitable for constituting an electrothermal converting member in an ink jet head or an ink jet apparatus. There is employed, as the heat generating resistant el... | 06/06/2006 |
| 7055923 | Recording head, substrate for use of recording head, and recording apparatus A recording head comprises a plurality of recording elements for performing recording; a driving circuit for driving the plurality of recording elements; and a predetermined voltage generating circuit for generating a predetermined voltage to be applied to the plura... | 06/06/2006 |
| 7029085 | Ink jet head and ink jet printer There is provided an ink jet head including a first drive element which is provided in correspondence with each ink jet nozzle and which has a thin film resistor for ejecting ink droplets from each ink jet nozzle and a thin film conductive electrode for feeding elec... | 04/18/2006 |
| 7006336 | Magnetic head having a heater circuit for thermally-assisted writing A magnetic head for thermally-assisted writing of data to a disk is disclosed. In one illustrative example, the magnetic head includes a write head element and a heating element which is a resistive infared radiator. The heating element is coupled to at least one vi... | 02/28/2006 |
| 6967313 | Hot plate and method of producing the same An object to provide a hot plate making it possible to heat an object to be heated uniformly, and the hot plate of the present invention is characterized in that a resistance element having a thickness dispersion of ±3 μm or less is formed on an insulating substra... | 11/22/2005 |
| 6956716 | Magnetic head having multilayer heater for thermally assisted write head and method of fabrication thereof A magnetic head including a media heating device that is fabricated within the magnetic head structure. The media heating device is fabricated with diffusion barrier layers and/or adhesion layers beneath the heating device layers, between heating device layers and/o... | 10/18/2005 |
| 6940691 | Electrically resistive heating device for data storage systems An electrically resistive heater in a data storage system is formed of a chemically disordered CrxV100−x alloy. The alloy exhibits a high temperature coefficient of resistance (TCR) so that the heater temperature can be inferred fr... | 09/06/2005 |
| 6919543 | Resistive heaters and uses thereof A metallic resistive heater and a method of production are described. The resistive heater has a metallic component that is electrically conductive (i.e. has low resistivity) and an oxide, nitride, carbide, and or boride derivative of the metallic component that is ... | 07/19/2005 |
| 6719407 | Thermal head In a thermal head capable of performing printing of high quality while preventing foreign matters such as dirt or the like from accumulating in a portion, on which a heat reserving layer is formed, at the time of printing, the heat reserving layer comprising a proje... | 04/13/2004 |
| 6512532 | Thermal printhead, heating resistor used for the same, and process of making heating resistor A thermal printhead includes a substrate, an electrode layer formed on the substrate, and a heating resistor which is formed on the electrode layer and contains a conductive substance and glass. The conductive substance of the heating resistor is doped in... | 01/28/2003 |
| 6469724 | Thick-film thermal print head and its manufacturing method The thermal printhead (1) includes an insulating substrate (2), a heating resister (5) formed on the substrate (2), a first glass coat layer (7) formed on the substrate (2) for covering the heating resister (5), and a second glass coat layer (8) formed on... | 10/22/2002 |
| 6151054 | Thermal head and method of manufacturing the same, and heat-sensitive recording method A thermal head, used for an image forming device, comprises a glaze formed at at least a portion of a base plate of the thermal head so that at least a portion of the glaze is protruded, and a plurality of heater portions provided at the glaze, a length o... | 11/21/2000 |
| 6100910 | Thermal print head, method of manufacturing the same and method of adjusting heat generation thereof A polycrystalline layer is formed on a surface of a substrate and metal electrode layers are formed thereon to be opposed to each other. The polycrystalline silicon layer includes an exposed region exposed from the metal electrode layers, and this exposed... | 08/08/2000 |
| 6067104 | Thermal print head, method of manufacturing the same and method of adjusting heat generation thereof A polycrystalline layer is formed on a surface of a substrate and metal electrode layers are formed thereon to be opposed to each other. The polycrystalline silicon layer includes an exposed region exposed from the metal electrode layers, and this exposed... | 05/23/2000 |
| 5995127 | Thermal print head and manufacturing method thereof A thermal print head is provided with a supporting substrate, a glaze layer formed on the substrate, a heating resistor which is formed on the glaze layer and made of Si and O and the rest being substantially composed of a metal, and electrodes connected ... | 11/30/1999 |
| 5992980 | Substrate for ink jet head, ink jet head provided with said substrate and ink jet apparatus having such ink jet head There is provided an ink jet head which includes an electrothermal converting body disposed along a pathway of ink, said electrothermal converting body being provided with a heat generating resistor capable of generating, upon energization, heat energy to... | 11/30/1999 |
| 5966153 | Ink jet printing device An ink jet printing device including an ink channel wall defining an ink chamber; a nozzle portion formed with a nozzle connecting the ink chamber with atmosphere; and a thermal heater formed to the ink channel wall adjacent to the nozzle portion, the the... | 10/12/1999 |
| 5953039 | Photothermographic drum processor using low heat conductivity and low heat capacitance rollers A processor for photothermographic media comprising: a rotatably mounted heated drum; and a plurality of rollers spaced around the periphery of the drum to hold down photothermographic media to the drum over a segment of the circumference thereof, the rol... | 09/14/1999 |
| 5926199 | Thermal head with buckling exothermic resistor and manufacturing method thereof A pair of opposite end portions of a buckling exothermic body as an exothermic resistor are fixed onto a substrate via insulating members. The buckling exothermic body heats with resistance thereof by applying a voltage from a power source to the buckling... | 07/20/1999 |
| 5530467 | Sputtering target, film resistor and thermal printer head A sputtering target comprises an oxide containing niobium, a silicide containing niobium and silicon oxide substantially for the rest. The sputtering target is formed e.g. by reactive sintering a powdery niobium or a powdery niobium alloy containing silic... | 06/25/1996 |
| 5477252 | Substrate for ink jet head, ink jet head provided with said substrate and ink jet apparatus having such ink jet head There is provided an ink jet head which includes an electrothermal converting body disposed along a pathway of ink, said electrothermal converting body being provided with a heat generating resistor capable of generating, upon energization, heat energy to... | 12/19/1995 |
| 5444475 | Thermal recording head A thin-film thermal recording head, used in a facsimile machine or a thermal printer, including heat resistors formed from only a Cr--Si--SiO or Ta--Si--SiO alloy thin-film resistor layer and a chromium, molybdenum, nickel, or tungsten thin-film conductor... | 08/22/1995 |
| 5267005 | Heater having stepped portion and heating apparatus using same A heating apparatus includes a heater which is stationary in use; a film in sliding contact with the heater; a pressing member cooperative with the film to form a nip therebetween; wherein the heater is provided with a portion which is stepped in a direct... | 11/30/1993 |
| 5250958 | Thermal head and manufacturing method thereof In a thermal head comprising at least a pair of electrodes (3), (4), (13), (14), resistor layers (2), (12) in contact against both the electrodes (3), (4), (13), (14), basic plates (1), (11) for supporting the electrodes (3), (4), (13), (14) and the resis... | 10/05/1993 |
| 5229789 | Apparatus for thermal printing A laminated wiring conductor layer of a thermal printing head consists of common wiring connected to one end of a patterned heating resistor layer, and individual wirings connected to the other end of the patterned heating resistor layer. The individual w... | 07/20/1993 |
| 5189284 | Resistor, process for producing the same, and thermal head using the same A resistor comprises iridium and at least one metal selected from the group consisting of silicon, bismuth, lead, tin, aluminum, boron, titanium, zirconium, calcium and barium. A process for producing the resistor comprises the steps of coating a solution... | 02/23/1993 |
| 5122777 | Resistor film and method for forming the same A resistor film formed by applying onto a substrate a homogeneous mixture solution of metal organic compounds including metals selected from the element group of silicon (Si), bismuth (Bi), lead (Pb), aluminum (Al), zirconium (Zr), calcium (Ca), tin (Sn),... | 06/16/1992 |
| 5119112 | Heat-resistant insulating substrate, thermal printing head, and thermographic apparatus A layer of an amorphous substance containing at least one member from among hydrogen and halogen elements and using as main components thereof silicon and at least one member selected from among nitrogen, carbon and oxygen is formed as a resin-protecting ... | 06/02/1992 |
