Method of manufacturing a liquid jet recording head
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United States of America Patent
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Oct 13, 1998
Issued Date -
N/A
app pub date -
Jan 2, 1997
filing date -
Dec 4, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A substrate for liquid jet recording head comprises a supporting member with an oxidized film on its surface, exothermic resistive members arranged on the supporting member, and wirings electrically connected to the exothermic resistive members. For the substrate, it is arranged that the dislocation density in the area beneath the oxidized film on said supporting member is less than 5.times.10.sup.4 pieces/cm.sup.2 ; hence eliminating the curves of the substrate which will be created when it is cut for the fabrication of a liquid jet recording head.
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