Ink jet head and manufacturing method thereof, and ink jet apparatus with ink jet head
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United States of America Patent
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-
May 4, 1993
Issued Date -
N/A
app pub date -
Aug 26, 1991
filing date -
Oct 31, 1988
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a method for manufacturing an ink jet recording head having an ink path communicated with a discharge opening, a discharge energy generating element disposed in the ink path and a discharge opening plate on which the discharge opening is formed. The discharge opening plate is attached to an end surface of the ink path. The discharge opening is formed by irradiating an excimer laser light on the discharge opening plate from a side of the plate which is attached to the ink path.
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