Title:
光学部材及びその製造方法
Document Type and Number:
Japanese Patent JP7259858
Kind Code:
B2
Abstract:
The present invention provides a lightweight optical member that can be produced at a relatively low cost, wherein distortion due to temperature rise is suppressed, and the appearance color is sufficiently blackened or darkened, and a method for efficiently producing the optical member. The optical member of the present invention comprises: a base member made of titanium or a titanium alloy, and a carbon-doped titanium oxide layer formed on the surface of the base member. The carbon content in the carbon-doped titanium oxide layer is preferably 0.1 to 15 at%.
Inventors:
Akira Iizuka
Takeshi Ohshima
Nakano Koichi
Takeshi Ohshima
Nakano Koichi
Application Number:
JP2020539422A
Publication Date:
April 18, 2023
Filing Date:
August 23, 2019
Export Citation:
Assignee:
NIPPON LIGHT METAL COMPANY,LTD.
International Classes:
G02B5/00; G02B7/02; G03B9/02; G03F1/64
Domestic Patent References:
| JP2006243044A | ||||
| JP2010154783A | ||||
| JP2010154782A | ||||
| JP2010148448A |
Foreign References:
| WO2010026853A1 | ||||
| US20130135750 |
Attorney, Agent or Firm:
Patent Attorney Corporation IPR Consultant