Ink jet recording head

Details Ink jet recording head Ink jet recording head

Filed on

1993-06-04

Date issued

1995-06-13

Examiner

Fuller, Benjamin R.

Patent Class

Incremental printing of symbolic information

SubClass

Ink jet

SubSubClass

Ejector mechanism

Other Related Categories

B41J 2045

Type

Patent

Status

active

Patent number

054247691

Description

ABSTRACT:
An ink jet recording head having a spacer including a pressure generating chamber, a reservoir, and an ink supply port connecting them, a nozzle plate, hermetically fixed on a first side of the spacer, for generating ink droplets when receiving an ink pressure from the pressure generating chamber, a vibrating plate, hermetically fixed on a second side of the spacer, for pressing the pressure generating chamber, and piezoelectric vibrators for pressing the vibrating plate, wherein the vibrating plate has thin portions each occupying a large area so that the compliance of a regional area closer to the nozzle openings is larger than a regional area closer to the ink supply port.

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