Printhead module assembly
First Claim
1. A printhead module for a printhead assembly incorporating a plurality of said modules positioned substantially across a pagewidth in a drop on demand ink jet printer, comprising:
- an upper micro-molding locating a print chip having a plurality of ink jet nozzles, the upper micro-molding having ink channels delivering ink to said print chip, a lower micro-molding having inlets through which ink is received from a source of ink, and a mid-package film adhered between said upper and lower micro-moldings and having holes through which ink passes from the lower micro-molding to the upper micro-molding.
3 Assignments
0 Petitions
Accused Products
Abstract
A printhead module for a printhead assembly incorporating a number of modules spaced across a pagewidth in a drop on demand ink jet printer includes an upper micro-molding and a lower micro-molding separated by a mid-package film layer. The mid-package film layer has laser ablated holes and an adhesive layer on both faces providing adhesion between the upper micro-molding, the mid-package film layer and the lower micro-molding. The upper and lower micro-moldings are held in alignment by pins passing through corresponding apertures in the mid-package film layer. Ink inlets and an air inlet are provided in the underside of the lower micro-molding. Ink and air passes from the lower micro-molding, through the mid-package film layer to the upper micro-molding. Air exists the upper micro-molding to repel the print media from the printhead during printing. The ink passes from the upper micro-molding into individual print chips mounted therein.
39 Citations
16 Claims
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1. A printhead module for a printhead assembly incorporating a plurality of said modules positioned substantially across a pagewidth in a drop on demand ink jet printer, comprising:
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an upper micro-molding locating a print chip having a plurality of ink jet nozzles, the upper micro-molding having ink channels delivering ink to said print chip, a lower micro-molding having inlets through which ink is received from a source of ink, and a mid-package film adhered between said upper and lower micro-moldings and having holes through which ink passes from the lower micro-molding to the upper micro-molding. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification