Droplet ejection head and method of manufacturing the same

Details Droplet ejection head and method of manufacturing the same Droplet ejection head and method of manufacturing the same

2011-05-03

2011-05-03

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C029S025350

Reexamination Certificate

active

07934814

ABSTRACT:
A droplet ejection head according to the present invention includes a layered body made up of a plurality of metal plates, and an ejection face. The plurality of metal plates in the layered body include n metal plates whose lengthwise directions form the same angle with a rolling direction thereof. The n metal plates include a first stress plate and a second stress plate. The first stress plate has internal stress which forces the metal plate to bend along its lengthwise direction so as to make it protrude toward a ejecting direction. The second stress plate has internal stress which forces the metal plate to bend along its lengthwise direction so as to make it protrude toward a direction opposite to the ejecting direction.

REFERENCES:
patent: 7064896 (2006-06-01), Kuwamura
patent: 7645032 (2010-01-01), Watanabe
patent: 2002/0001719 (2002-01-01), Horiba
patent: 2005/0157104 (2005-07-01), Hirota et al.
patent: 2006/0061633 (2006-03-01), Nakayama
patent: 2000-127325 (2000-05-01), None
patent: 2004-184809 (2004-02-01), None
patent: 2005-041047 (2005-02-01), None
patent: 2005-169839 (2005-06-01), None
Japanese Patent Office, Notice of Reasons for Rejection in Japanese Patent Appl'n No. 2006-268955 (counterpart to the above-captioned patent application), mailed Aug. 19, 2008.

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