Invention Grant
- Patent Title: Inorganic optical element having a birefringent film with a columnar structure and a protective film formed thereon and method for manufacturing same
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Application No.: US15031071Application Date: 2014-10-17
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Publication No.: US09964670B2Publication Date: 2018-05-08
- Inventor: Masahiro Oowada
- Applicant: DEXERIALS CORPORATION
- Applicant Address: JP Shinagawa-Ku, Tokyo
- Assignee: DEXERIALS CORPORATION
- Current Assignee: DEXERIALS CORPORATION
- Current Assignee Address: JP Shinagawa-Ku, Tokyo
- Agency: Buchanan, Ingersoll & Rooney PC
- Priority: JP2013-219491 20131022
- International Application: PCT/JP2014/077684 WO 20141017
- International Announcement: WO2015/060213 WO 20150430
- Main IPC: G02B5/30
- IPC: G02B5/30 ; G02B1/18 ; G02B1/14 ; C23C16/455 ; C23C16/40
Abstract:
An inorganic optical element, including: a birefringent film 12 having a columnar structure; and a protective film 13 formed on the birefringent film 12, wherein a component of the protective film 13 enters a gap of the birefringent film 12.
Public/Granted literature
- US20160266282A1 INORGANIC OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME Public/Granted day:2016-09-15
Information query
