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)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 146-8501

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okano, Akihiko Fujisawa, JP 32 302
Sato, Tamaki Kawasaki, JP 50 566
Suzuki, Takumi Tokohama, JP 133 1137

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