Ink-jet printhead and method for producing the same
The present invention generally relates to a printhead for ink-jet printers, and, more particularly, to a printhead having improved adhesion between substrate and barrier layer. An ink-jet printhead is provided having a thin film substrate comprising a plurality of thin film layers; a plurality of i...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention generally relates to a printhead for ink-jet printers, and, more particularly, to a printhead having improved adhesion between substrate and barrier layer.
An ink-jet printhead is provided having a thin film substrate comprising a plurality of thin film layers; a plurality of ink firing heater resistors defined in said plurality of thin film layers; a polymer fluid barrier layer; and a carbon rich layer disposed on said plurality of thin film layers, for bonding said polymer fluid barrier layer to said thin film substrate. |
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