Ink jet recording head including interengaging piezoelectric and

Details Ink jet recording head including interengaging piezoelectric and Ink jet recording head including interengaging piezoelectric and

1994-05-09

2000-06-13

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 69, B41J 2045

Patent

active

060740485

ABSTRACT:
A piezoelectric member includes a flat part and a plurality of convex parts on the flat part, and at least a part of each convex part is a piezoelectric element. A non-piezoelectric member is made of non-piezoelectric materials, and includes a plurality of concave parts corresponding to the piezoelectric elements and a convex part formed between adjacent concave parts. The piezoelectric member and the non-piezoelectric member are engaged with each other by inserting each non-piezoelectric convex part between adjacent piezoelectric elements and an ink cavity is formed between a bottom surface of each concave part and a top surface of each piezoelectric element. Also between a side of the piezoelectric convex part and a side of the non-piezoelectric concave part is provided a space, and the space is filled with a filler.

REFERENCES:
patent: 4115789 (1978-09-01), Fischbeck
patent: 4752788 (1988-06-01), Yasuhara et al.
patent: 5270740 (1993-12-01), Naruse et al.
patent: 5373314 (1994-12-01), Everett et al.
patent: 5446485 (1995-08-01), Usui et al.
patent: 5477249 (1995-12-01), Hotomi
patent: 5477253 (1995-12-01), Hotomi et al.
patent: 5677717 (1997-10-01), Ohashi

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