Fluid ejection device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8684501
APP PUB NO 20130044163A1
SERIAL NO

13641469

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Abstract

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A fluid ejection device includes a thin film heater resistor portion having a heater resistor, and a two-layer structure disposed over the heater resistor. The two-layer structure includes a top layer and a bottom layer, with the top layer having a hardness that is at least 1.5 times greater than the hardness of the bottom layer.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abbott,, Jr James E Adair Village, US 7 10
Ajayi, Samuel Corvallis, US 2 7
Bengali, Sadiq Corvallis, US 20 121
Horvath, Stephen San Diego, US 10 46
Long, Greg S Corvallis, US 11 9
Pan, Alfred I-Tsung Sunnyvale, US 54 4349
Prakash, Satya San Diego, US 49 733
Pugliese, Roberto A Tangent, US 20 23
Shaarawi, Mohammed S Corvallis, US 40 137

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