Ink jet print head, method for manufacturing the same, and ink jet recording device
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United States of America Patent
Stats
-
May 4, 1999
Grant Date -
N/A
app pub date -
Apr 7, 1997
filing date -
Apr 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
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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