Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink
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United States of America Patent
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Feb 13, 1996
Issued Date -
N/A
app pub date -
Aug 2, 1994
filing date -
Dec 12, 1990
priority date (Note) -
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Importance
Abstract
An ink jet recording head includes energy generators for generating the energy used to discharge ink and a substrate on which a circuit electrically connected to the energy generators is formed. Also provided is a protective member on an insulating layer on the substrate above the energy generators. The area of a protective member which is in contact with the ink is made to be as small as possible.
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