Ink jet head and ink jet apparatus on which the ink jet head is

Details Ink jet head and ink jet apparatus on which the ink jet head is Ink jet head and ink jet apparatus on which the ink jet head is

1995-06-28

1998-07-21

Metjahic, Safet

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 215

Patent

active

057840792

ABSTRACT:
An ink jet head has a substrate on which ejection energy generating elements are provided, and a ceiling plate having a plurality of grooves for forming ink passages. The ceiling plate is pressed against the substrate by a pressing member, i.e., a spring. To improve the ejection performance of the ink jet head, the contact portion of the ceiling plate pressed by the pressing member is divided into a plurality of portions.

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