Ink jet recording head with vibrating element having greater wid

Details Ink jet recording head with vibrating element having greater wid Ink jet recording head with vibrating element having greater wid

1994-08-23

1999-01-05

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 71, 310365, B41J 2045

Patent

active

058568379

ABSTRACT:
An ink jet recording head including: a vibrating plate made of ceramic; a pressure producing chamber forming member, made of ceramic, for forming a plurality of pressure producing chambers in rows; and drive electrodes formed on a surface of the vibrating plate so as to confront the pressure producing chambers. A width of the drive electrode is smaller than a width of the pressure producing chamber. A width of a piezoelectric vibrating element is larger than the width W2 of the drive electrode and smaller than the width of the pressure producing chamber, so that the operation region of the piezoelectric vibrating element is regulated by the width of the drive electrode and the peripheral portions of the piezoelectric vibrating element are bonded to the peripheral portions of the drive electrode reliably.

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patent: 5281888 (1994-01-01), Takeuchi et al.
patent: 5376857 (1994-12-01), Takeuchi et al.

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