Claims
- 1. A printhead, comprising:a substrate having a surface; a stack of thin-film layers affixed to said surface of said substrate, and defining a fluid feed slot; a layer of cross-linked polyimide or epoxy with an optical dye applied on said stack of thin-film layers and having a fluid-well defined therein positioned over said fluid feed slot; and a layer of cross-linked polyimide or epoxy with no optical dye applied on said layer of cross-linked polyimide with an optical dye and having an orifice defined therein.
- 2. The printhead in accordance with claim 1, wherein:said layer of cross-linked polyimide or epoxy with an optical dye further comprises a thickness of 4 to 30 microns.
- 3. The printhead in accordance with claim 1, wherein:said layer of cross-linked polyimide or epoxy with no optical dye further comprises a thickness of 4 to 30 microns.
- 4. A printhead, comprising:a substrate having a surface; a stack of thin-film layers affixed to said surface of said substrate and said stack of thin-film layers defining a fluid feed slot; and a layer of cross-linked polyimide or epoxy with an optical dye applied on said stack of thin-film layers and having a fluid-well defined therein, said fluid-well positioned over said fluid feed slot.
- 5. A fluid cartridge, comprising:a printhead, including, a substrate having a first surface and a second surface, a stack of thin-film layers defining a fluid feed slot affixed to said first surface of said substrate and said stack of thin-film layers defining a fluid feed slot, a layer of cross-linked polyimide or epoxy with an optical dye applied on said stack of thin-film layers and having a fluid-well defined therein, and a fluid feed channel defined within said second surface of said substrate and opening into s aid fluid feed slot; a fluid reservoir; and a fluid delivery assemblage for delivering fluid from said fluid reservoir to said fluid feed channel.
- 6. A liquid fluid jet recording apparatus, comprising:a fluid cartridge, including, a printhead, including, a substrate having a first surface and a second surface, a stack of thin-film layers affixed to said first surface of said semiconductor substrate, said stack of thin-film layers further comprising an energy dissipating element, and said stack of thin-film layers defining a fluid feed slot, a layer of cross-linked polyimide or epoxy with an optical dye having a fluid-well defined therein, said layer applied on said stack of thin-film layers, said fluid-well positioned over said fluid feed slot, and a fluid feed channel de fined within said second surface of said semiconductor substrate and opening into said fluid feed slot; a fluid reservoir; a fluid delivery assemblage for delivering fluid from said fluid reservoir to said fluid feed channel; and a conveyance assemblage for transporting a recording medium on which recording is effected by said fluid cartridge.
- 7. A printhead, comprising:a substrate having a surface; a stack of thin-film layers affixed to said surface of said substrate, said stack of thin-film layers defining a fluid feed slot; and a layer of cross-linked polyimide or epoxy with an optical dye having a fluidwell defined therein, said fluid-well positioned over said fluid feed slot.
- 8. A fluid cartridge used to deliver fluid comprising the printhead of claim 7.
- 9. A liquid fluid jet recording apparatus comprising the fluid cartridge of claim 7.
CROSS REFERENCE TO RELATED APPLICATION
This is a continuation of copending application No. 09/605,081 filed on Jun. 26, 2000 which is hereby incorporated by reference herein.
US Referenced Citations (11)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0244214 |
Nov 1987 |
EP |
0491560 |
Jun 1992 |
EP |
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Oct 1996 |
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Non-Patent Literature Citations (1)
Entry |
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Continuations (1)
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Number |
Date |
Country |
Parent |
09/605081 |
Jun 2000 |
US |
Child |
10/062807 |
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US |