Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask

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United States of America Patent

PATENT NO 12117727
SERIAL NO

17646351

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The metal plate includes a plurality of pits located on the surface of the metal plate. The manufacturing method for a metal plate for use in manufacturing of a deposition mask includes an inspection step of determining a quality of the metal plate based on a sum of volumes of a plurality of pits located at a portion of the surface of the metal plate.

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Patent Owner(s)

  • DAI NIPPON PRINTING CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatsuta, Chiaki Tokyo, JP 30 180
Ikenaga, Chikao Tokyo, JP 74 603
Matsuura, Sachiyo Tokyo, JP 16 42
Oka, Hiroki Tokyo, JP 70 468
Okamoto, Hideyuki Tokyo, JP 44 135
Ushikusa, Masato Tokyo, JP 22 157

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