Method of manufacturing ink jet recording head
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United States of America Patent
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Jan 16, 1996
Grant Date -
N/A
app pub date -
Nov 12, 1992
filing date -
Nov 12, 1991
priority date (Note) -
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Abstract
The present invention discloses a recording head and a method of manufacturing the recording head including an electrothermal transducer element for causing ink to be discharged through a discharge port by causing heat energy to act on the ink, a heat acting portion for causing the heat energy generated by the electrothermal transducer element to act on the ink present in an ink passage; and a substrate, either side of which has the electrothermal transducer element, and a residual side of which has the ink passage, so that the reliability is improved, an image is precisely recorded at high speed and an excellent manufacturing yield is realized.
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