Method of manufacturing a liquid jet recording head

Details Method of manufacturing a liquid jet recording head Method of manufacturing a liquid jet recording head

2007-02-06

2007-02-06

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C029S831000, C029S841000, C029S855000, C347S050000

Reexamination Certificate

active

10651734

ABSTRACT:
Disclosed is a manufacturing method of a liquid jet recording head which includes a forming step of forming a recess portion between a flexible film wiring board and a recording element board, a providing step of providing in the recess portion an electrical connecting portion for electrically connecting the flexible film wiring board and the recording element board, a membrane curing step of injecting first resin into the recess portion to cure the first resin in a membrane form, and a covering step of covering an upper portion of the electrical connecting portion and the first resin with second resin subsequent to the membrane curing step. The electrical connecting portion is protected against liquid droplets and the like, and its electrical reliability is improved.

REFERENCES:
patent: 5157418 (1992-10-01), Tamura
patent: 5227812 (1993-07-01), Watanabe et al.
patent: 5420620 (1995-05-01), Tamura
patent: 5557843 (1996-09-01), McKenney et al.
patent: 6609782 (2003-08-01), Mori

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