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| Number | Title | Issue Date |
| 6746093 | Methods and apparatus for image transfer to non-planar surfaces A method and apparatus for imprinting high quality images on non-planar surfaces, including the surfaces of various types of three-dimensional articles, such as baseball bats, formed from a number of different types of materials. In the preferred method of the inven... | 06/08/2004 |
| 6692108 | High efficiency thermal ink jet printhead There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements corresponding to each nozzle. Each heater element is configured to heat a bubble forming liquid in the printhead to a temperature above its boil... | 02/17/2004 |
| 6676241 | Ink jet head, producing method therefor and ink jet recording apparatus An ink jet head comprises a substrate bearing a liquid discharge pressure generating element for generating energy for discharging liquid from a discharge port, a flow path forming member adjoined to the substrate and forming a flow path communicating wit... | 01/13/2004 |
| 6676246 | Heater construction for minimum pulse time A heater chip structure having heating elements operable at an energy per unit volume of from about 2.9 GJ/m3 to about 4.0 GJ/m3, a pulse time of less than about 0.73 microseconds, and one or more protective layers having a total thi... | 01/13/2004 |
| 6637866 | Energy efficient heater stack using DLC island The present invention is directed toward an improved heater chip for an ink jet printer. The heater chip has a diamond-like-carbon coating that functions as the cavitation and passivation layers of the heating elements on the heater chip. To improve the e... | 10/28/2003 |
| 6631966 | Recording head and recording apparatus with temperature control A liquid discharge head records by generating thermal energy to discharge ink from a discharge port onto a recording medium. The head is provided with a heat dissipating substrate positioned substantially parallel and adjacent to a discharge portion subst... | 10/14/2003 |
| 6629755 | Ink jet recording head, ink jet recording apparatus, and method for manufacturing ink jet recording head To suitably electrically interconnect a recording element substrate, on which power supply paths are formed in a high density, and an electric wiring substrate, on which wiring lines for supplying power to these paths are formed, bumps are formed and arra... | 10/07/2003 |
| 6626522 | Filtering techniques for printhead internal contamination Techniques are described for constructing filter type features capable of entrapping particle contaminants to eliminate printing defects. These techniques utilize photo-imageable barrier material to fabricate various shapes and forms to reduce feature siz... | 09/30/2003 |
| 6619786 | Tab circuit for ink jet printer cartridges An improved TAB circuit is provided for use with ink jet printer cartridges, which carries electrical signals to an array of nozzles on a heater chip. The TAB circuit eliminates bent or broken electrical circuit traces before being bonded to the heater ch... | 09/16/2003 |
| 6595624 | Actuator element An actuator element forming a portion of a micro electro-mechanical device and which comprises a movable arm that is connected at one end to a substrate and which is formed at least in part from a titanum-aluminium nitride composition. The actuator elemen... | 07/22/2003 |
| 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 |
| 6595627 | Inkjet printhead and manufacturing method thereof An inkjet printhead and a manufacturing method thereof. The inkjet printhead includes a substrate, a substantially cylindrical ink chamber storing ink and formed in an upper portion of the substrate, and a manifold supplying ink to the ink chamber in a bo... | 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 |
| 6588887 | Liquid discharge head and method for liquid discharge head A liquid discharge head comprises discharge energy generating devices each generating energy to be utilized for discharging liquid as drops, and discharge ports arranged to face the discharge energy generating devices, respectively. For this head, the are... | 07/08/2003 |
| 6585355 | Ink-jet printhead having hemispherical ink chamber and method for manufacturing the same An ink-jet printhead having a hemispherical ink chamber and a method for manufacturing the same, wherein the ink-jet printhead includes a substrate, in which a manifold for supplying ink, an ink chamber having a substantially hemispherical shape, and an i... | 07/01/2003 |
| 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 |
| 6582065 | Liquid ejection method, head and apparatus A liquid ejection method including the steps of preparing a head comprising an ejection outlet, a bubble generation region, a movable member faced to the bubble generation region and displaceable from a first position to a second position further from the... | 06/24/2003 |
| 6575563 | Power/volume regime for ink jet printers An ink jet printer forms printed images by ejecting droplets of ink onto a print medium at a stable velocity. The printer includes an ink jet print head having nozzles through which the droplets of ink are ejected. The print head includes a heater chip ha... | 06/10/2003 |
| 6565195 | Feed channels of a fluid ejection device Volume of fluid feed channels is adjusted for drop generators that are staggered with respect to a feed edge. In one embodiment, barrier islands are positioned, sized, and/or shaped to adjust the volume. In another embodiment, protrusions or walls thereof... | 05/20/2003 |
| 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 |
| 6561631 | Ink jet printer head An ink jet printer head includes a substrate having a heat resisting body, an ink chamber barrier installed on the substrate so as to form a side wall of an ink chamber filled with ink introduced through an ink channel, and a nozzle plate having a nozzle ... | 05/13/2003 |
| 6561632 | Printhead with high nozzle packing density An inkjet printhead is provided with a high nozzle packing density. The printhead has ink feed holes for each firing chamber that are individually tuned such that the pressure drop from the reservoir to the firing chamber is held constant for all firing c... | 05/13/2003 |
| 6561639 | Printing apparatus, printing method and recording medium A high quality printing of images such as photographs, designs, and the like, is effected without using special paper. The following is provided: a supply mechanism for supplying a recording medium; means for applying a surface modified for coating the su... | 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 |
| 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 |
| 6557982 | Ink jet recording method and apparatus for driving electrothermal converting elements in a dispersed manner By using an ink jet recording head including an ink supply port for supplying an ink, a plurality of ink paths communicating with the ink supply port, a plurality of electro thermal converting elements arranged in an almost straight line along the longitu... | 05/06/2003 |
| 6554404 | Conductor routing for a printhead A printhead including a printhead substrate having at least one opening for providing a fluid path through the substrate and a thin film membrane formed on a second surface of the substrate. The thin film membrane includes a plurality of fluid feed holes,... | 04/29/2003 |
| 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 |
| 6554383 | Liquid ejecting head and head cartridge capable of adjusting energy supplied thereto, liquid ejecting device provided with the head and head cartridge, and recording system The present invention realizes a liquid ejecting head with increased ejection force and ejection efficiency and also realizes a liquid ejecting head having compatibility with the conventional products, and a head cartridge and a recording system incorpora... | 04/29/2003 |
| 6543883 | Fluid ejection device with drive circuitry proximate to heating element A fluid ejection device includes drive circuitry for a heating element, wherein at least part of the drive circuitry is positioned proximate to and within 60 microns of the heating element.... | 04/08/2003 |
| 6543882 | Dynamic memory based firing cell for thermal ink jet printhead A dynamic memory based integrated circuit ink jet firing cell that includes a heater resistor, a drive transistor, and a dynamic memory circuit for storing firing data only for such heater resistor. Also disclosed is an integrated circuit firing array tha... | 04/08/2003 |
| 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 |
| 6540337 | Slotted substrates and methods and systems for forming same Methods and systems for forming slots in a print head substrate having a thickness defined by opposing first and second surfaces. In one exemplary embodiment, a trench is received in the first surface and extends through less than an entirety of the thick... | 04/01/2003 |
| 6540335 | Ink jet print head and ink jet printing device mounting this head An ink jet print head has plural electrothermal converting elements for generating energy used to discharge an ink droplet, plural ink discharging ports arranged above the electrothermal converting elements and discharging the ink droplet, plural ink flow... | 04/01/2003 |
| 6540333 | Dynamic memory based firing cell for thermal ink jet printhead A dynamic memory based integrated circuit ink jet firing cell that includes a heater resistor, a drive transistor, and a dynamic memory circuit for storing firing data only for such heater resistor. Also disclosed is an integrated circuit firing array tha... | 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 |
| 6536878 | Ink jet drop generator and ink composition printing system for producing low ink drop weight with high frequency operation This present invention is embodied in a low-cost printing system including a printhead and an ink composition that provides photographic-quality resolution. The printhead of the present invention includes a high-density array of drop generators that eject... | 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 |
| 6530632 | Method and apparatus for envelope printing with an ink jet printer An inkjet printer having an envelope comer printing apparatus that prints print data on the comer of an envelope independently from the printing function performed by the printer with respect to the sheet media printed by the printer. The printer housing ... | 03/11/2003 |
| 6530648 | Apparatus for using bubble as virtual valve to eject ink and fabricating method thereof An apparatus for using the bubble as a virtual valve to eject ink comprises a chamber, orifice, and heaters. The chamber, having a top surface and a bottom surface, is connected to the ink reservoir by a manifold. Two heaters, connected in series to a com... | 03/11/2003 |
