Liquid droplet discharge head, manufacturing method thereof,...

Details Liquid droplet discharge head, manufacturing method thereof,... Liquid droplet discharge head, manufacturing method thereof,...

2008-04-08

2008-04-08

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S065000

Reexamination Certificate

active

11180727

ABSTRACT:
The liquid droplet discharge head comprises: a channel which is formed by joining together a plurality of thin plates which are laminated with an adhesive; and an adhesive escape groove which is provided on at least one joined surface of the thin plates in at least one location on a periphery of the channel when a ratioMS′determined in relation to the channel is greater than a predetermined value, wherein: the ratioMS′is a ratio between an area M and an area S′; the area M is an area of the adhesive running off to the channel at joining assuming that no adhesive escape groove is provided on the periphery of the channel, the area M being a projected area on a cross-section perpendicular to a flow direction of the channel; and the area S′ is an area of a cross-section perpendicular to the flow direction of the channel at post-joining assuming that no adhesive runs off to the channel.

REFERENCES:
patent: 6488366 (2002-12-01), Potochnik et al.
patent: 2002/0036678 (2002-03-01), Ito et al.
patent: 5-96726 (1993-04-01), None
patent: 6-71880 (1994-03-01), None
patent: 7-195693 (1995-08-01), None
patent: 2001-47620 (2001-02-01), None
patent: 2002-240272 (2002-08-01), None

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