Ink jet printer head

Details Ink jet printer head Ink jet printer head

2007-12-11

2007-12-11

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

10933716

ABSTRACT:
An ink jet printer head including a cavity unit having a plurality of ink ejection nozzles. The cavity unit and an actuator are stacked on each other. The cavity unit is constituted by a plurality of sheet members which are stacked on each other. A spacer sheet is provided which is interposed between a base sheet and at least one manifold sheet. The spacer sheet is more rigid than each of sheet members other than at least one spacer sheet. The spacer sheet has a thickness of from about 800 μm to about 500 μm and each of at least the base sheet and the manifold sheet has a thickness of about 50 μm and about 150 μm.

REFERENCES:
patent: 5831651 (1998-11-01), Usui et al.
patent: 6036303 (2000-03-01), Yamamoto et al.
patent: 6497019 (2002-12-01), Yun
patent: 2002/0024568 (2002-02-01), Ito et al.
patent: 2002-144590 (2002-05-01), None

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