Piezoelectric ink jet recording head formed by press working

Details Piezoelectric ink jet recording head formed by press working Piezoelectric ink jet recording head formed by press working

2006-06-27

2006-06-27

Feggins, K. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07066584

ABSTRACT:
An ink jet recording head has an ink passage unit formed by superposing a nozzle plate with a plurality of nozzles and an ink passage plate. The ink passage plate has a plurality of pressure producing chambers connected to the nozzles, and an ink reservoir communicating with the pressure producing chambers by ink inlet ports. A cover plate is joined to a first surface of the ink passage plate. The cover plate is deformed elastically by piezoelectric vibrators so as to apply pressure to the ink contained in the pressure producing chambers.

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