Forming refill for monolithic inkjet printhead

Incremental printing of symbolic information – Ink jet – Ejector mechanism

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B41J 205

Patent

active

061588466

ABSTRACT:
A refill channel for multiple rows of nozzles is formed in a silicon die by thinning the die in the vicinity of the rows, then etching respective trenches within the thinned portion of the die. Monolithic architectures including such trenches are achieved for existing inkjet nozzle geometries having close row spacing.

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