Electrostatic-erasing abrasion-proof coating and method for forming the same
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United States of America Patent
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Aug 29, 1995
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N/A
app pub date -
Feb 11, 1993
filing date -
Mar 7, 1988
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Abstract
An abrasion-proof and static-erasing coating is formed on the contact surface of a contact image sensor. The coating comprises a first film having a high hardness and a low conductivity, a second film formed on the first film and having a low hardness and a high conductivity, and a third film having a high hardness and a high resistivity providing an abrasion-proof insulating external surface.
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