Liquid ejection head and manufacturing method thereof

Details Liquid ejection head and manufacturing method thereof Liquid ejection head and manufacturing method thereof

2007-09-27

2010-10-26

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07819509

ABSTRACT:
The liquid ejection head includes: a liquid ejection port; a pressure chamber which has a recess part connected to the liquid ejection port; a lower electrode which is arranged on the pressure chamber; a piezoelectric body which has a planar face arranged on the lower electrode; and an upper electrode which is arranged on the piezoelectric body, wherein: a cross section of the recess part of the pressure chamber taken in parallel to the planar face of the piezoelectric body is oblong and has a breadth CWx in a breadthways direction and a length CWy in a lengthwise direction; the piezoelectric body has an active region having a breadth DWx in the breadthways direction of the cross section of the recess part of the pressure chamber and a length DWy in the lengthwise direction of the cross section of the recess part of the pressure chamber.

REFERENCES:
patent: 5530465 (1996-06-01), Hasegawa et al.
patent: 6345424 (2002-02-01), Hasegawa et al.
patent: 6840602 (2005-01-01), Watanabe et al.
patent: 2002/0196314 (2002-12-01), Greiser et al.
patent: 11-34321 (1999-02-01), None
patent: 2001080068 (2001-03-01), None
patent: 2002-370353 (2002-12-01), None
patent: 2003-25573 (2003-01-01), None
patent: 2003-165214 (2003-06-01), None
patent: 2004-351878 (2004-12-01), None

Affiliated with

Also associated with

Rating

Liquid ejection head and manufacturing method thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Liquid ejection head and manufacturing method thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Liquid ejection head and manufacturing method thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4184306