Printhead protective coating

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United States of America Patent

PATENT NO 9597873
APP PUB NO 20160114581A1
SERIAL NO

14427989

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In one embodiment, a printhead includes a substrate comprising a single fluid slot with sidewall surfaces. The printhead also includes a plurality of fluid chambers in fluid communication with the fluid slot. The printhead includes a membrane disposed between the fluid slot and the fluid chambers. The membrane comprises membrane side surfaces that form fluid feed holes to provide the fluid communication between the fluid slot and the fluid chambers. A protective coating is disposed on each of the surfaces.

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First Claim

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rivas, Rio Bend, US 68 338

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