Title:
ANTIREFLECTION COATING AND METHOD FOR MANUFACTURING THE SAME, AND OPTICAL MEMBER USING THE SAME
Document Type and Number:
Japanese Patent JP2020154014
Kind Code:
A
Abstract:
To provide an antireflection coating that has excellent reflection spectral characteristics and is excellent in adhesion properties, and to which water repellency or hydrophilicity can be given.SOLUTION: An antireflection coating has an inorganic dense layer consisting of one or more layers formed on a surface of a substrate, and a silica fine particle layer formed thereon. The outermost layer of the inorganic dense layer is fluoride. The silica fine particle layer has an alkyl silyl group and/or an alkenyl silyl group on a surface, and has a refractive index of 1.35 to 1.50.SELECTED DRAWING: Figure 1
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Inventors:
NAKAYAMA HIROYUKI
FUJII HIDEO
SASAKI NAOTO
FUJII HIDEO
SASAKI NAOTO
Application Number:
JP2019049551A
Publication Date:
September 24, 2020
Filing Date:
March 18, 2019
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
G02B1/115; B05D1/38; B05D3/02; B05D3/06; B05D5/00; B05D5/06; B05D7/00; B05D7/24; B32B5/16; B32B9/00; B32B18/00; G02B1/18
Domestic Patent References:
| JPH09208898A | 1997-08-12 | |||
| JP2011105584A | 2011-06-02 | |||
| JP2006003562A | 2006-01-05 | |||
| JP2006215542A | 2006-08-17 | |||
| JP2018075800A | 2018-05-17 | |||
| JP2015231216A | 2015-12-21 | |||
| JP2012128135A | 2012-07-05 |
Attorney, Agent or Firm:
Takaishi Tachibana