Method for manufacturing liquid ejection head

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United States of America Patent

PATENT NO 9862189
SERIAL NO

15200377

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Abstract

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There is provided a method for forming a smooth resin layer on a substrate having a concavo-convex portion in manufacturing a liquid ejection head by a casting method. To achieve this, after forming an opening pattern on the resin layer formed on the substrate, a mold is brought into contact with the resin layer at a predetermined pressure so as to smooth a surface of the resin layer.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okano, Akihiko Fujisawa, JP 32 301
Sato, Tamaki Kawasaki, JP 49 551
Suzuki, Takumi Tokohama, JP 122 1088

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