Printhead module assembly with A flexible PCB

Details Printhead module assembly with A flexible PCB Printhead module assembly with A flexible PCB

2007-12-27

2008-10-21

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S054000, C347S042000

Reexamination Certificate

active

07438390

ABSTRACT:
The invention relates to a printhead module assembly for a pagewidth printer system. The module assembly includes a printhead integrated circuit (IC) manufactured using a micro-electromechanical systems (MEMS) process, and a flexible printed circuit board electrically connected to the integrated circuit for supplying power and data thereto. The module assembly also includes a top channel layer supporting the IC, the top channel layer defining a number of slots therein, and an upper layer defining holes that are aligned with inner parts of the slots of the top channel layer, the upper layer further defining a number of channels. Further included is a mid layer defining a number of holes which are aligned with ends of the channel in the upper layer. A lower layer defines channels for supplying ink and compressed air to the IC via the layers such layers stacked to form an ink distribution assembly.

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