Ink jet print head, method for manufacturing the same, and ink j

Details Ink jet print head, method for manufacturing the same, and ink j Ink jet print head, method for manufacturing the same, and ink j

1997-04-07

1999-05-04

Hartary, Joseph

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 85, B41J 205, B41J 2175

Patent

active

059008946

ABSTRACT:
An ink jet print head is disclosed which comprises: a head chip having a plurality of heating elements thereon, a flow passage forming member including a plurality of injection ports respectively corresponding to the heating elements for jetting out ink, a substrate for fixing the head chip, and a joint for supplying ink, wherein the substrate includes an opening so formed as to extend in the arrangement direction of the heating elements, the flow passage forming member is disposed so as to cover the opening from a position above the head chip, at least part of the joint is connected to the flow passage forming member, and ink supplied from the joint is supplied along the flow passage forming member to the heating elements disposed on the head chip.

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patent: 5574488 (1996-11-01), Tamura
patent: 5751323 (1998-05-01), Swanson

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