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| Number | Title | Issue Date |
| 7784914 | Fluid ejection device A method of manufacturing a fluid ejection device. A plurality of drive transistors is disposed on a substrate, the drive transistors each comprising contacts. A metal layer is disposed over the contacts. The plurality of drive transistors includes a primitive group... | 08/31/2010 |
| 7713456 | Drop generator die processing Processing a die that has an edge and a substrate upon which a layer of moisture permeable material is disposed. The moisture permeable material extends to the edge of the die. One embodiment comprises interrupting the layer of moisture permeable material to form a ... | 05/11/2010 |
| 7705477 | Optical targets An optical target is provided. In one embodiment, the target is formed on a substrate. The target includes a first layer deposited below a second layer on the substrate. The second layer is deposited below a third layer on the substrate. The first layer has a topogr... | 04/27/2010 |
| 7521267 | Thermal inkjet printhead processing with silicon etching A method of etching the trench portions of a thermal inkjet printhead using a robust mask that precisely defines the area of the substrate surface to be etched and that protects the adjacent drop generator components from damaging exposure to the silicon etchant. Th... | 04/21/2009 |
| 7278706 | Fluid ejection device A fluid ejection device includes a first heater element and a second heater element spaced a first distance from the first heater element. A first drive transistor is associated with the first heater element and a second drive transistor is associated with the secon... | 10/09/2007 |
| 7247952 | Optical targets An optical target is provided. In one embodiment, the target is formed on a substrate. The target includes a first layer deposited below a second layer on the substrate. The second layer is deposited below a third layer on the substrate. The first layer has a topogr... | 07/24/2007 |
| 7160806 | Thermal inkjet printhead processing with silicon etching A method of etching the trench portions of a thermal inkjet printhead using a robust mask that precisely defines the area of the substrate surface to be etched and that protects the adjacent drop generator components from damaging exposure to the silicon etchant. Th... | 01/09/2007 |
| 7128401 | Thermal sense resistor for a replaceable printer component A replaceable printer component (14) includes a thermal sense resistor (14B) having a first resistance. A resistance modifier (510) coupled to the thermal sense resistor modifies the first resistance. ... | 10/31/2006 |
| 7048355 | High-performance, high-density ink jet printhead having multiple modes of operation The present invention includes as one embodiment an inkjet printhead including a plurality of ink drop generators configured to recieve a same color of ink and grouped into four axis groups, each of the four axis groups including a plurality of nozzles arranged alon... | 05/23/2006 |
| 6974205 | Printhead employing both slotted and edgefeed fluid delivery to firing resistors A printhead includes a substrate having a plurality of fluid heating elements and at least one peripheral edge. Fluid channels deliver fluid to the plurality of fluid heating elements. The plurality of fluid channels includes at least one edgefeed fluid channel defi... | 12/13/2005 |
| 6966622 | Thermal sense resistor for a replaceable printer component A replaceable printer component (14) includes a thermal sense resistor (14B) having a first resistance. A resistance modifier (510) coupled to the thermal sense resistor modifies the first resistance. ... | 11/22/2005 |
| 6885083 | Drop generator die processing Processing a die that has an edge and a substrate upon which a layer of moisture permeable material is disposed. The moisture permeable material extends to the edge of the die. One embodiment comprises interrupting the layer of moisture permeable material to form a ... | 04/26/2005 |
| 6722759 | Ink jet printhead An ink jet printhead includes a printhead substrate having a plurality of thin film layers and four side by side columnar arrays of drop generators formed in the printhead substrate and extending along a longitudinal extent. Each columnar array has drop generators t... | 04/20/2004 |
| 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 |
| 6422676 | Compact ink jet printhead A compact thermal ink jet printhead including a printhead substrate, a plurality of side by side columnar arrays of drop generators formed in the printhead substrate, and drive circuits formed in the printhead substrate for energizing each ink drop genera... | 07/23/2002 |
