| Patent Number |
Title Of Patent |
Date Issued |
| 7416793 |
Electrostatic chuck and manufacturing method for the same, and alumina sintered member and manuf |
August 26, 2008 |
| An electrostatic chuck comprises a dielectric ceramic layer made of an alumina sintered body having a volume resistivity equal to or greater than about 1.times.10.sup.17.OMEGA.cm at room temperature and a volume resistivity equal to or greater than about 1.times.10.sup.14.OMEGA.cm at |
| 7387977 |
Alumina-sintered body and associated manufacturing method, and electrostatic chuck and associate |
June 17, 2008 |
| A binder is mixed to alumina powder with a purity of 99.5% or more (step S11), the mixture is granulated (step S12), resultant granule powder is formed with a die (step S13), and a formed compact is sintered in a hot-pressing manner (step S14). |
| 7375046 |
Yttria sintered body, ceramic member using yttria sintered body, and manufacturing method of ytt |
May 20, 2008 |
| A yttria sintered body is provided which includes yttria as a principal ingredient and 5 to 40 vol. % silicon nitride, and which exhibits enhanced corrosion resistance and mechanical strength. |
| 6474789 |
Recording apparatus, recording head and substrate therefor |
November 5, 2002 |
| A substrate having plural recording elements and electrical leads for supplying electric signals to the recording elements includes electrical contacts for external electrical connection for reception of image signals used for driving the recording elements; and a processing circuit for |
| 6409931 |
Method of producing ink jet recording head and ink jet recording head |
June 25, 2002 |
| A method of producing an ink jet recording head, in which a discharge port surface provided with a discharge port, through which ink is discharged, is provided comprises a conductive treatment step of carrying out a conductive treatment of the discharge port surface in a state where a |
| 6290334 |
Recording apparatus, recording head and substrate therefor |
September 18, 2001 |
| A substrate having plural recording elements and electrical leads for supplying electric signals to the recording elements includes electrical contacts for external electrical connection for reception of image signals used for driving the recording elements; and a processing circuit for |
| 5992983 |
Liquid jet recording head |
November 30, 1999 |
| A liquid jet recording head for discharging liquid droplets onto a recording medium includes a support, heat-generating resistance layer provided on the support for generating heat energy to discharge the liquid droplets, a pair of electrodes electrically connected to the heat-genera |
| 5946013 |
Ink jet head having a protective layer with a controlled argon content |
August 31, 1999 |
| Disclosed is a thin-film resistor element for an ink jet head. In the thin-film resister element, a protective film is used having a multi-layered structure, the proportion of Ar atoms contained in a lower area of the protective film located in contact with the heating resistor is se |
| 5463412 |
Liquid jet recording head with multiple liquid chambers |
October 31, 1995 |
| A liquid jet recording head comprises plural discharge port groups and a corresponding plurality of liquid chambers for containing liquid to be discharged from the discharge ports. Each of the plural discharge ports has an opposing heat generating element, all of the heat generating |
| 5457485 |
Ink jet recording apparatus |
October 10, 1995 |
| In an ink jet recording apparatus in which a filter is placed in an ink supply route, when an ink flow is formed in the ink supply route by ink ejection during recording operations and so on, a valve does not contact firmly to the filter, but when an ejection recovery operation is perfor |
| 5455612 |
Liquid jet recording head |
October 3, 1995 |
| A liquid jet recording head comprises a substrate comprising a support, a resistive heater layer, electrodes electrically connected with the resistive heater layer, a portion of the resistive heater layer located between the electrodes being an electrothermal transducer, and an upper |
| 5451994 |
Liquid jet recording head having a support with an organic protective layer omitted from a heat- |
September 19, 1995 |
| An ink jet recording head comprises a substrate including a heat-generating resistance layer disposed on a support to provide a heat-generating section with two ends, a pair of electrodes on the support being connected electrically to the ends of the heat-generating sections. A member, j |
| 5259921 |
Removal method of glass adhered to sintered object during hot isostatic pressing process |
November 9, 1993 |
| Method of removing a layer of glass formed on a sintered body which is manufactured by hot isostatic pressing of a preformed body of inorganic powder (e.g., silicon nitride powder and silicon carbide powder) in a pressure medium at a sintering temperature, wherein the sintered body of |
| 5153610 |
Liquid jet recording head |
October 6, 1992 |
| This specification discloses a liquid injection recording head in which a support member provided with an energy generating member for generating energy utilized to discharge liquid and form flying droplets is flexible. |
| 5132702 |
Liquid jet recording apparatus and method |
July 21, 1992 |
| A serial type liquid jet recording apparatus includes a recording head having an array of plural liquid ejecting devices arranged in a column direction to eject droplets of recording liquid on a recording material; an end portion driving circuit for driving one or more end liquid ejectin |
| 5026671 |
Sintered silicon nitride and method for making the same |
June 25, 1991 |
| A sintered silicon nitride contains at least 90% of .beta.-type silicon nitride, wherein said .beta.-type silicon nitride consists essentially of 35 to 80% of large crystal particles with the remainder of small crystal particles, said large crystal particles having a mean particle length |
| 4972202 |
Method for driving liquid-jet recorder |
November 20, 1990 |
| A method for driving a liquid-jet recorder having electric heaters for forming flying liquid droplets by jetting a liquid is characterized by applying no voltage to the electrodes of each electric heater for the moments the heater is not driven during the operation of the recorder. |
| 4956654 |
Liquid injection recording head with flexible support |
September 11, 1990 |
| This specification discloses a liquid injection recording head in which a support member provided with an energy generating member for generating energy utilized to discharge liquid and form flying droplets is flexible. |
| 4940999 |
Liquid jet recording head |
July 10, 1990 |
| A liquid jet recording head is provided with a liquid discharging portion having an orifice provided to discharge liquid and form flying liquid droplets and a liquid flow path communicating with the orifice and having as a part of the construction thereof a heat-acting portion in which h |
| 4914736 |
Liquid jet recording head having multiple liquid chambers on a single substrate |
April 3, 1990 |
| A liquid jet recording apparatus comprising: liquid chambers communicating with a plurality of discharge orifices for discharging a recording liquid to form flying liquid droplets for accommodating the recording liquid; and heat generating elements for generating energy used for forming |
| 4905017 |
Laminated liquid-jetting head capable of recording in a plurality of colors, a method of produci |
February 27, 1990 |
| A method of producing a liquid-jetting head capable of recording in a plurality of colors comprises the steps of providing a base member having a plurality of heaters thereon, at least one plate member having at least one perforation therethrough with a predetermined shape and an orifice |
| 4777494 |
Process for manufacturing an electrothermal transducer for a liquid jet recording head by anodic |
October 11, 1988 |
| In a process for manufacturing an electrothermal transducer for a liquid jet recording head comprising a support, a resistive heater layer overlying the support, at least a pair of electrodes electrically connected with the resistive heater layer and disposed opposite to each other, |
| 4752787 |
Liquid jet recording head |
June 21, 1988 |
| In a liquid jet recording head having a liquid discharging conduit, the ratio of the average cross-sectional area of the conduit at the liquid introducing region to that at the energy actuating region is greater than 1. |
| 4725859 |
Liquid jet recording head |
February 16, 1988 |
| A liquid jet recording head comprises an electro-thermal transducer having a heat-generating resistance layer provided on a substrate, a pair of electrodes connected electrically to said heat-generating resistance layer and disposed with a gap so as to confront each other and a heat-gene |
| 4720716 |
Liquid jet recording head |
January 19, 1988 |
| A liquid jet recording head comprises a substrate having a resistive heater layer and at least one pair of mutually confronting electrodes electrically connected with the resistive heater layer at least one part of each of said one pair of electrodes being coated with the resistive h |
| 4701766 |
Method of making an ink jet head involving in-situ formation of an orifice plate |
October 20, 1987 |
| A method of making an ink jet head with an orifice plate having an orifice extending therethrough for ink ejection involves the steps of adhering a photosensitive plate to the ink jet head to cover the outlet of a liquid passageway in the head, aligning a pattern mask with the ink passag |
| 4694306 |
Liquid jet recording head with a protective layer formed by converting the surface of a transduc |
September 15, 1987 |
| A liquid jet recording head comprises a liquid discharging portion having an orifice for discharging liquid to form liquid droplets and a heat acting zone communicated with said orifice at which heat energy for forming flying liquid droplets acts on the liquid, and an electrothermal |
| 4686544 |
Liquid jet recording head |
August 11, 1987 |
| A liquid jet recording head comprises an orifice for forming flying liquid droplets by ejecting liquid, a heat actuating portion communicated with the orifice and where thermal energy for forming liquid droplets is applied to the liquid, at least one pair of electrodes electrically c |
| 4646105 |
Liquid jet recording method |
February 24, 1987 |
| A liquid jet recording method using a recording head provided with a liquid jet part comprising an orifice through which the liquid is jetted to form a flying liquid droplet and a heat action section in communication with said orifice in which section the thermal energy for jetting the l |
| 4633274 |
Liquid ejection recording apparatus |
December 30, 1986 |
| A liquid ejection recording apparatus has a substrate section and a support member. The substrate section has orifices for discharging ink droplets, resistors for generating thermal energy upon application of a voltage, and connector pins. The support member has an ink supply pipe and co |
| 4631555 |
Liquid jet type recording head |
December 23, 1986 |
| A liquid jet type recording head comprises a liquid discharge section including an orifice for discharging the liquid to form flying droplets and a liquid passage providing part of a heat acting portion at which thermal energy acts on the liquid to form droplets, at least a pair of o |
| 4611219 |
Liquid-jetting head |
September 9, 1986 |
| A liquid-jetting head comprising a plurality of liquid-jetting-pressure-generating elements and a plurality of liquid-jetting orifices opposite to said elements through a liquid passage is characterized in that said passage is divided into at least two groups, and the adjacent elemen |
| 4602261 |
Ink jet electrode configuration |
July 22, 1986 |
| A liquid jet recording head is provided with a liquid discharging portion having an orifice for discharging liquid and forming flying liquid droplets, and a liquid flow path communicating with the orifice and having as a part of the construction thereof a heat-acting portion in which hea |
| 4596994 |
Liquid jet recording head |
June 24, 1986 |
| A liquid jet recording head comprises, in combination, a liquid discharge section having an orifice for forming flying liquid droplets at the time of the liquid discharge and a liquid flow path which is communicatively connected with the orifice and has as its one part a heat acting zone |
| 4567493 |
Liquid jet recording head |
January 28, 1986 |
| A liquid jet recording head comprises a liquid discharge portion including an orifice for discharging a liquid to form a flying liquid droplet and a liquid flow path communicating with the orifice having a heat applying portion to apply thermal energy to the liquid to form the liquid dro |
| 4558333 |
Liquid jet recording head |
December 10, 1985 |
| A liquid jet recording head comprises a discharging orifice for forming flying droplets by discharging a liquid; a liquid pathway having a bent portion, an energy acting portion forming at least a part of said liquid pathway where the liquid filling the internal portion thereof is subjec |
| 4536250 |
Method of making liquid jet recording head |
August 20, 1985 |
| A method of making a liquid jet recording head having a liquid discharge section including orifice means for discharging the liquid to form flying droplets thereof and liquid passage means communicating with said orifice means and having a thermally acting portion for causing a thermal e |
| 4450455 |
Ink jet head |
May 22, 1984 |
| An ink jet head comprises an orifice plate constituted of a hardened film of a photosensitive resin having an orifice which extends therethrough in the direction of its thickness. |
| 4437100 |
Ink-jet head and method for production thereof |
March 13, 1984 |
| An ink-jet head comprising an ink flow path of a hardened film of a photosensitive resin composition provided on the surface of a substrate, characterized in that a binding auxiliary layer is interposed between said substrate surface and the hardened film. |
| 4394670 |
Ink jet head and method for fabrication thereof |
July 19, 1983 |
| An ink jet head comprises an ink flow path formed by laminating cured films or photosensitive compositions and an ink discharging orifice, at least the ink discharging orifice region being composed of the cured films. A method for fabrication of an ink-jet head comprises forming a first |
