Title:
光学物品
Document Type and Number:
Japanese Patent JP7322397
Kind Code:
B2
Abstract:
To provide an optical article having a highly water-repellent inorganic surface layer.SOLUTION: An optical article 100A is provided, comprising a substrate 101, and an inorganic surface layer 103 provided on the substrate 101, the inorganic surface layer 103 containing a metal element M, oxygen O, and hydrogen H and having a ratio (IO-H/IM-H) of an absorbance IO-H of an O-H bond to an absorbance IM-H of an M-H bond that is equal to or less than 1.0 on an infrared absorption spectrum obtained by the infrared spectrophotometry.SELECTED DRAWING: Figure 1
Inventors:
Takeshi Iwanaga
Daisuke Ohno
Keiko Matsuki
Daisuke Ohno
Keiko Matsuki
Application Number:
JP2018239641A
Publication Date:
August 08, 2023
Filing Date:
December 21, 2018
Export Citation:
Assignee:
FUJIFILM Business Innovation Co., Ltd.
International Classes:
G02B1/18; G02C7/02; G03G5/08; G03G5/147
Domestic Patent References:
| JP2008076876A | ||||
| JP2011064876A | ||||
| JP2011069983A | ||||
| JP2020101667A | ||||
| JP2004198590A | ||||
| JP3091701A | ||||
| JP10319208A |
Foreign References:
| US20080075504 | ||||
| WO2000044841A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office