Method for manufacturing ink jet head
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United States of America Patent
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-
Sep 20, 1994
Grant Date -
N/A
app pub date -
Oct 21, 1992
filing date -
Oct 22, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacturing an ink jet head having a discharge opening for discharging ink and an ink passage communicated with the discharge opening, includes the step of forming the discharge opening by performing a cutting operation along a portion where the discharge opening is to be formed, while maintaining the ink passage in a pressurized condition by filling the ink passage with fluid. Another method includes the step of cleaning an ink passage by introducing liquid and gas into the ink passage alternately; and an ink jet apparatus comprising such an ink jet head, and a member for holding the ink jet head.
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