Method for making a solid-state ink jet print head

Details Method for making a solid-state ink jet print head Method for making a solid-state ink jet print head

1995-06-02

1996-12-10

Hughes, S. Thomas

Metal working

Piezoelectric device making

298901, H01L 4122

Patent

active

055818617

ABSTRACT:
An ink-jet print head comprises an ink drive unit formed on a first substrate and an ink reservoir unit formed on a second substrate. The ink drive unit includes a thin film piezoelectric transducer formed on one side of the substrate. The reservoir unit includes an etched cavity in the substrate for forming an ink reservoir, the cavity having an aperture in the base extending through the substrate to form an ink nozzle. The ink drive and ink reservoir units are bonded together with the piezoelectric transducer within the ink reservoir. Activating the transducer expels ink from the reservoir via the ink nozzle.

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