Invention Grant
- Patent Title: Optical element and method for producing the same
- Patent Title (中): 光学元件及其制造方法
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Application No.: US12819570Application Date: 2010-06-21
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Publication No.: US08652614B2Publication Date: 2014-02-18
- Inventor: Michito Takahashi , Sunao Miyazaki
- Applicant: Michito Takahashi , Sunao Miyazaki
- Applicant Address: JP Tokyo
- Assignee: Asahi Glass Company, Limited
- Current Assignee: Asahi Glass Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-152182 20090626
- Main IPC: C03C17/09
- IPC: C03C17/09 ; C03C17/40 ; C03C17/34
Abstract:
The present invention relates to an optical element comprising: a optical glass made of a phosphate glass or a fluorophosphate glass; and an optically functional film formed on a surface of the optical glass, wherein the optically functional film comprises two or more layers made of different materials, and the outermost surface layer thereof is made of a material(s) having low reactivity with phosphoric acid.
Public/Granted literature
- US20100330378A1 OPTICAL ELEMENT AND METHOD FOR PRODUCING THE SAME Public/Granted day:2010-12-30
Information query
