Fluid feed path wettability coating

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11390076
APP PUB NO 20210229439A1
SERIAL NO

16955600

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Abstract

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Fluid feed paths having enhanced wettability characteristics are disclosed. An example printhead includes a nozzle to expel fluid therefrom, and a fluid feed path to fluidly couple a fluid source and the nozzle. Fluid feed path walls are composed of a first material having a first wettability characteristic and a second material having a second wettability characteristic. The second wettability characteristic differing from the first wettability characteristic. A coating is formed on at least a portion of the fluid feed path defined by the first material and the second material of the substrate. The coating to harmonize the first wettability characteristic and the second wettability characteristic.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Chien-Hua Corvallis, US 404 2915
Chen, Zhizhang Corvallis, US 64 1090
Groh, Michael G Corvallis, US 24 171

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