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)
TANAKA DAISUKE (JP)
UMEDA SHINICHI (JP)
Application Number:
PCT/JP2020/004094
Publication Date:
August 27, 2020
Filing Date:
February 04, 2020
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
AHIKO FINETECLTD (JP)
AHIKO FINETECLTD (JP)
International Classes:
G02B5/00; B24B37/08; G02B1/04; G02B5/08; G02B27/02
Domestic Patent References:
WO2017159839A1 | 2017-09-21 |
Foreign References:
JP2006343548A | 2006-12-21 | |||
JP2018060155A | 2018-04-12 | |||
JPH11316302A | 1999-11-16 | |||
US4232075A | 1980-11-04 | |||
JPS602528B2 | 1985-01-22 | |||
JP2018154690A | 2018-10-04 | |||
JP2002194083A | 2002-07-10 | |||
JP2019001785A | 2019-01-10 | |||
JP2019026906A | 2019-02-21 |
Other References:
See also references of EP 3910386A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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