OPTICAL COMPONENT - MITSUI CHEMICALS INC

Title:

OPTICAL COMPONENT

Document Type and Number:

Japanese Patent JP2018165357

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide an optical component that is excellent in long-term reliability of optical performance under a high temperature environment.SOLUTION: An optical component contains a cyclic olefinic copolymer (A). When the optical component is heated at 125°C for 5 hours, a difference (d-d) between a specific gravity d[-] of the optical component after the heating and a specific gravity d[-] of the optical component before the heating is 0.0000 or more and 0.0020 or less.SELECTED DRAWING: None

Inventors:

ONIKI EMI
SOEDA YASUYUKI
KATO HISAHIRO

Application Number:

JP2018046490A

Publication Date:

October 25, 2018

Filing Date:

March 14, 2018

Export Citation:

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