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| Number | Title | Issue Date |
| 6626521 | Liquid jet recording head, method for manufacturing same and liquid jet recording apparatus The present invention provides a method for manufacturing a liquid jet recording head, comprising the steps of providing a liquid jet recording head sub-assembly; polishing a surface of the sub-assembly on which the discharge openings are to be formed; an... | 09/30/2003 |
| 6627467 | Fluid ejection device fabrication A firing chamber is formed in a fluid ejection device. The firing chamber is substantially defined by a barrier layer and a thin film stack. The barrier layer is formed over the thin film stack. The thin film stack is on a substrate and defines the bottom... | 09/30/2003 |
| 6623109 | Structure of printhead A structure of a printhead for raising its product acceptance rate and improving its quality is provided. The structure of a printhead includes a base layer, a pattern layer disposed on the base layer, a channel barrier layer having a dry film, an ink cha... | 09/23/2003 |
| 6619779 | Ink-jet printer head An ink-jet printer head includes a base plate having ink channels penetrating through the base plate, through which ink is supplied, a hollow heat driving section formed in the base plate and encircling an exit of the ink channels, an ink chamber barrier ... | 09/16/2003 |
| 6598961 | Bubble-jet type ink-jet printhead A bubble-jet type ink-jet printhead, includes a substrate, a nozzle plate, a wall, and a heater, wherein the heater is interposed between the substrate and the nozzle plate to divide an ink chamber into a main ink chamber and a secondary ink chamber, wher... | 07/29/2003 |
| 6598959 | Liquid jet recording apparatus using a fine particle dispersion recording composition In an apparatus producing a high-quality and high-resolution image having high water and light resistances with an orifice having a diameter less than $c;25 μm (less than 500 μm2 in terms of cross-sectional area of the orifice) by use of a... | 07/29/2003 |
| 6595622 | Ink jet printhead with thick substrate providing reduced warpage A liquid ejecting apparatus includes a plurality of liquid ejecting devices arranged in one direction on a silicon substrate and a plurality of liquid ejecting nozzles arranged in correspondence with the liquid ejecting devices. At least part of the silic... | 07/22/2003 |
| 6592209 | Printer, printer head, and method of producing the printer head The invention provides a printer, a printer head, and a method of producing the printer head. In particular, the invention is applied to a printer which makes use of a process in which ink drops are caused to flow out by heating using a heater, so that an... | 07/15/2003 |
| 6582064 | Fluid ejection device having an integrated filter and method of manufacture A fluid ejection device includes a substrate, a stack of thin film layers and a further substrate. The substrate has a first surface and a second surface, and defines a fluid supply conduit. The stack of thin film layers has a first surface and a second s... | 06/24/2003 |
| 6578952 | Liquid discharging method, liquid discharge head and recording apparatus using liquid discharge head The present invention provides a liquid discharging method that uses a heat generating member for generating thermal energy for generating a bubble in liquid, a discharge port for discharging the liquid, a flow path communicated with the discharge port an... | 06/17/2003 |
| 6561630 | Barrier adhesion by patterning gold An ink jet printhead including a thin film substructure including an elongated gold trace having openings formed therein. An ink barrier layer is disposed on the thin film substructure in contact with the gold trace and the regions exposed by the openings... | 05/13/2003 |
| 6561625 | Bubble-jet type ink-jet printhead and manufacturing method thereof A bubble-jet type ink-jet printhead and manufacturing method thereof including a substrate integrally having an ink supply manifold, an ink chamber, and an ink channel; a nozzle plate having a nozzle on the substrate; a heater centered around the nozzle a... | 05/13/2003 |
| 6561626 | Ink-jet print head and method thereof An ink-jet print head preventing thermal accumulation on a nozzle plate includes a substrate, a channel formed in the substrate to supply ink, a nozzle plate connected to the substrate and including a nozzle corresponding to the channel, a heat element fo... | 05/13/2003 |
| 6557968 | Fluid jetting apparatus and a process for manufacturing the same A fluid jetting apparatus for a print head employed in an output apparatus, and a manufacturing process thereof. The process for manufacturing a fluid jetting apparatus includes: (1) forming a heat driving part having a sacrificial layer; (2) forming a me... | 05/06/2003 |
| 6554403 | Substrate for fluid ejection device A substrate for a fluid ejection device includes a first side, a second side opposite the first side, spaced etch stops extending into the substrate from the first side, and a fluidic channel communicating with the first side and the second side, wherein ... | 04/29/2003 |
| 6540334 | Method for making ink jet printheads The invention provides a method for reducing ink corrosion of exposed metal layers on a chip surface of a semiconductor chip for an ink jet printhead. The method includes depositing a protective layer in a plasma process to the chip surface, the protectiv... | 04/01/2003 |
| 6536877 | Printer, printer head, and method for fabricating printer head formed with a multilayer wiring pattern A printer and a printer head employing a thermal inkjet method are disclosed. A heater element is arranged so as to overlie a wiring pattern layer carried by a semiconductor substrate, or a wiring pattern portion for power supplying or a wiring pattern po... | 03/25/2003 |
| 6533400 | Liquid discharging method There is disclosed a liquid discharge head comprising: a plurality of discharge ports for discharging a liquid; a plurality of liquid flow paths whose one end portion always communicates with each of the discharge ports and which comprise a bubble generat... | 03/18/2003 |
| 6527368 | Layer with discontinuity over fluid slot In one embodiment, a fluid ejection device comprises a substrate having a first surface, and a fluid slot in the first surface. The device further comprises a fluid ejector formed over the first surface of the substrate, and a chamber layer formed over th... | 03/04/2003 |
| 6527371 | Ink jet recording head, ink jet recording device and head manufacturing method The present invention provides an ink jet recording head in which the degree of freedom in the design of the arranged position of an electric signal input-output terminal is enhanced, its manufacturing method and an ink jet recording device, the invention... | 03/04/2003 |
| 6520627 | Direct imaging polymer fluid jet orifice A process for creating and an apparatus employing shaped orifices in a semiconductor substrate. A first layer of material is applied on the semiconductor substrate then a second layer of material is then applied upon the first layer of material. An orific... | 02/18/2003 |
| 6513907 | Inkjet printhead for wide area printing A printhead is formed from a plurality of ink ejectors mounted on an inner surface of a rigid substrate while protruding through holes provided in the substrate. Electrical contact is provided on a surface of the ink ejectors common with the ink ejecting ... | 02/04/2003 |
| 6513896 | Methods of fabricating fit firing chambers of different drop weights on a single printhead Inkjet printheads capable of printing smaller and larger drop-weight quantities of ink, and methods of manufacturing the inkjet printheads, are disclosed. The inkjet printhead includes a substrate. One or more portions of the substrate may be etched such ... | 02/04/2003 |
| 6513913 | Heating element of a printhead having conductive layer between resistive layers A heating element of a printhead has a conductive layer deposited over a substrate, and a resistive layer deposited over and in electrical contact with the conductive layer.... | 02/04/2003 |
| 6505914 | Microactuator based on diamond The invention relates to a microactuator arranged on a thermally insulating layer (2) and having a resistance layer (4) made from doped diamond, which is provided with an electrical supply and an electrical leakage (9).... | 01/14/2003 |
| 6502306 | Method of fabricating a micro-electromechanical systems device A method of fabricating a micro-electromechanical systems (MEMS) device that is positioned on a wafer substrate that incorporates drive circuitry includes depositing a first sacrificial layer of an organic material on the wafer substrate. The first sacrif... | 01/07/2003 |
| 6502926 | Ink jet semiconductor chip structure The invention provides a printhead for an ink jet printer and a method for making a printhead for an ink jet printer. The printhead includes a printhead body having a chip surface side, an ink surface side opposite the chip surface side and a first coeffi... | 01/07/2003 |
| 6499835 | Ink delivery system for an inkjet printhead An ink-firing element is provided. The ink-firing element has a resistor for generating ink droplets, a substrate atop which the resistor rests and a barrier layer atop the substrate. The barrier layer in a closed-loop design and at least partially define... | 12/31/2002 |
| 6485130 | Bonding process Disclosed is a process for bonding a first article to a second article which comprises (a) providing a first article comprising a polymer having photosensitivity-imparting substituents; (b) providing a second article comprising metal, plasma nitride, sili... | 11/26/2002 |
| 6481831 | Fluid ejection device and method of fabricating An inkjet printhead and a method of fabricating an inkjet printhead is disclosed. The inkjet printhead includes a conducting material layer deposited on an insulative dielectric. The conducting material layer has a chamber formed between a first and a sec... | 11/19/2002 |
| 6481828 | Ink-jet printhead having high nozzle density An inkjet printhead includes a nozzle plate having a nozzle, a substrate having an ink feed hole, and an intermediate layer interposed between the nozzle plate and the substrate, wherein the intermediate layer includes an ink chamber connected to the ink ... | 11/19/2002 |
| 6473966 | Method of manufacturing ink-jet printer head A printer head substrate having a silicon substrate on which heat generating elements and partitions are formed and an orifice plate which adhered to the partitions is placed on a stage of a helicon-wave dry etching system. Helicon-wave dry etching is per... | 11/05/2002 |
| 6464342 | Liquid discharge head, head cartridge mounted on liquid discharge head and liquid discharge apparatus, and method for manufacturing liquid discharge head A liquid discharge head at least comprises a discharge opening for discharging the liquid, a liquid flow channel in communication with the discharge opening and for supplying the liquid to the discharge opening, a substrate equipped with a heat generator ... | 10/15/2002 |
| 6464343 | Ink jet printhead having thin film structures for improving barrier island adhesion A fluid drop ejecting apparatus including a thin film stack including a plurality of heater resistors formed on a substrate having a feed edge, a patterned fluid barrier layer disposed on the thin film stack, respective fluid chambers formed in the barrie... | 10/15/2002 |
| 6457815 | Fluid-jet printhead and method of fabricating a fluid-jet printhead A fluid-jet printhead has a substrate on which at least one layer defining a fluid chamber for ejecting fluid is applied. The printhead includes an elevation layer disposed on the substrate and aligned with the fluid chamber. The printhead also includes a... | 10/01/2002 |
| 6457814 | Fluid-jet printhead and method of fabricating a fluid-jet printhead A fluid-jet printhead has a substrate having at least one layer defining a fluid chamber for ejecting fluid. The printhead also includes a resistive layer disposed between the fluid chamber and the substrate wherein the fluid chamber has a smooth planer s... | 10/01/2002 |
| 6454393 | Chamber and orifice shape variations in an orifice plate A method for making an orifice plate. The orifice plate defines both orifices and connected chambers. The orifice plate is constructed to permit, in the same print head, one chamber (or orifice) to be deeper (as well as, if desired, wider and longer) than... | 09/24/2002 |
| 6450622 | Fluid ejection device A fluid ejection device includes a substrate with a fluid drop generator, wherein the fluid drop generator is top coated with a first barrier layer. The device also has a second barrier layer substantially defining a chamber about the fluid drop generator... | 09/17/2002 |
| 6450621 | Semiconductor device having inkjet recording capability and method for manufacturing the same, inkjet head using semiconductor device, recording apparatus, and information-processing system The present invention provides a semiconductor device having an inkjet recording capability and a method of making such a device. The present invention also provides an inkjet head to which an inkjet recording mode for producing an output of information i... | 09/17/2002 |
| 6450620 | Ink jet recording head and apparatus An ink jet recording head includes a top plate having recesses and walls defining a common ink chamber for containing ink supplied to the recesses, and a substrate having an edge. The substrate and top plate are joined and together form ink paths connecte... | 09/17/2002 |
