Ink jet recording head, method of producing same, and ink jet recording apparatus
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United States of America Patent
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-
Mar 26, 2002
Grant Date -
N/A
app pub date -
Jan 25, 1999
filing date -
Jan 27, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing an ink jet recording head comprises the steps of forming a discharge port by irradiating a discharge port forming member, which is integrally provided on a top plate provided with a groove of an ink flow path communicated with the discharge port for discharging ink, and in which the discharge port is formed, with a laser beam having ununiform intensity distribution of the light beam, from the groove side and forming the ink flow path by connecting the top plate to a substrate, with the groove being positioned inside.
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