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Patent Searching and Data


Title:
OPTICAL MEMBER, METHOD FOR MANUFACTURING OPTICAL MEMBER, AND OPTICAL INFORMATION TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/170801
Kind Code:
A1
Abstract:
The present invention provides an optical member which includes an organic polymer and which includes a surface A having a surface area of at least 1 mm2, the flatness of a region thereof having a surface area of 1 mm2 being 80 µm or less when measured using a non-contact optical flatness meter.

Inventors:
AHIKO SOICHIRO (JP)
TANAKA DAISUKE (JP)
UMEDA SHINICHI (JP)
Application Number:
PCT/JP2020/004094
Publication Date:
August 27, 2020
Filing Date:
February 04, 2020
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
AHIKO FINETECLTD (JP)
International Classes:
G02B5/00; B24B37/08; G02B1/04; G02B5/08; G02B27/02
Foreign References:
JP2006343548A2006-12-21
JP2018060155A2018-04-12
JPH11316302A1999-11-16
US4232075A1980-11-04
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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