Method of manufacturing ink jet recording head

Details Method of manufacturing ink jet recording head Method of manufacturing ink jet recording head

1992-11-12

1996-01-16

Powell, William A.

Etching a substrate: processes

Forming or treating thermal ink jet article

1566331, 1566471, 15665911, 216 33, 216 41, B44C 122, H01L 21306

Patent

active

054840759

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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