Ink jet recording head and ink jet apparatus having same

Details Ink jet recording head and ink jet apparatus having same Ink jet recording head and ink jet apparatus having same

1995-05-04

1996-01-16

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 214

Patent

active

054851840

ABSTRACT:
An ink jet head includes first and second members for constituting liquid passages by joining them together; the second member has an ejection outlet forming member having a thickness a and is provided with a jaw having a dimension b, wherein an inside end of an ejection outlet of the ejection outlet forming member is displaced by a distance c from adjacent wall of a liquid passage, with b.gtoreq.5 microns, c.gtoreq.3 microns, and 20 microns.ltoreq.a+b.ltoreq.60 microns.

REFERENCES:
patent: 4338611 (1982-07-01), Eida et al.
patent: 4701766 (1987-10-01), Sugitari et al.

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