Liquid ejection head and process for producing liquid ejection head

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11938729
APP PUB NO 20210362499A1
SERIAL NO

17392419

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Abstract

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A liquid ejection head includes a base plate and at least two device chips in which ejection ports for ejecting a liquid are formed and which are disposed on the base plate. At least one first reference mark is provided on the base plate. A second reference mark is provided on each of the device chips. At least one space is formed between adjacent device chips. The second reference marks and the first reference mark present in the space are disposed on an array axis along which the device chips are arrayed.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asai, Kazuhiro Kawasaki, JP 66 410
Nagata, Shingo Tokyo, JP 38 168
Sasaki, Koji Nagareyama, JP 215 1711
Yamamuro, Jun Yokohama, JP 51 279

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