Method for manufacturing optical film

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United States of America Patent

PATENT NO 10478918
APP PUB NO 20170326683A1
SERIAL NO

15527446

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Abstract

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A method for producing an optical film including a cutting step of performing irradiation with a laser light onto a layered body having a glass support and a resin layer provided on the support to cut the resin layer, wherein in the cutting step, the irradiation with the laser light is performed such that a beam of the laser light has a flat energy distribution, and a distance between a focus of the laser light and a receiving point of the laser light on a surface of the resin layer where the laser light is received or a ratio P/V of an output P of the laser light relative to a scanning speed V is in a specific range.

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Patent Owner(s)

Patent OwnerAddress
ZEON CORPORATIONCHIYODA-KU TOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirano, Masaya Tokyo, JP 6 51
Miura, Takuya Tokyo, JP 28 50

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