Electrostatic-erasing abrasion-proof coating and method for...

Stock material or miscellaneous articles – Self-sustaining carbon mass or layer with impregnant or...

Reexamination Certificate

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C428S217000, C428S678000, C428S704000

Reexamination Certificate

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07144629

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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