Ink jet printer head and method for fabricating the same

Incremental printing of symbolic information – Ink jet – Ejector mechanism

Reexamination Certificate

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C347S069000, C029S025350

Reexamination Certificate

active

07108359

ABSTRACT:
A plurality of ink jet printer heads can be obtained from a single substrate through the following steps: a piezoelectric body forming step of cutting a piezoelectric member into a desired width to form a piezoelectirc body, a fitting recess forming step of forming a recess for fitting therein of the piezoelectric body in a base member, a substrate forming step of embedding the piezoelectric body into the recess to form a substrate, a grooving step of forming a plurality of desired grooves in parallel in the substrate, a head substrate forming step of forming an electrically conductive film on inner walls of the grooves to form a head substrate, an electroconductive pattern forming step of making connection to the electrically conductive film for the application of voltage thereto, a top plate joining step of joining a top plate to the head substrate to form a head substrate-top plate composite, a head forming step of cutting the head substrate-top plate composite at a desired position to form a head, and a nozzle plate joining step of joining a nozzle plate to a cut side having groove openings of the head.

REFERENCES:
patent: 4550325 (1985-10-01), Viola
patent: 5345256 (1994-09-01), Stortz
patent: 5471231 (1995-11-01), Hiraishi et al.
patent: 5619235 (1997-04-01), Suzuki
patent: 5757404 (1998-05-01), Witteveen et al.
patent: 7-101056 (1995-04-01), None
patent: 10-315471 (1998-02-01), None
patent: 10-315471 (1998-12-01), None

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