Title:
OPTICAL FILM
Document Type and Number:
WIPO Patent Application WO/2013/151091
Kind Code:
A1
Abstract:
Provided is an optical film that has a higher refractive index than titanium oxide films.
The optical film comprises an aluminum-titanium composite oxide or a gallium-titanium composite oxide. In the aluminum-titanium composite oxide, the ratio of Al to Ti (Al/Ti) is 17/83 or less in atomic ratio. In the gallium-titanium composite oxide, the ratio of Ga to Ti (Ga/Ti) is 20/80 or less in atomic ratio. The aluminum-titanium composite oxide or the gallium-titanium composite oxide comprises crystals of a rutile structure.
Inventors:
IMURA MASAAKI (JP)
KANAI TOSHIMASA (JP)
TAKAMURA HITOSHI (JP)
KANAI TOSHIMASA (JP)
TAKAMURA HITOSHI (JP)
Application Number:
PCT/JP2013/060204
Publication Date:
October 10, 2013
Filing Date:
April 03, 2013
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
UNIV TOHOKU NAT UNIV CORP (JP)
UNIV TOHOKU NAT UNIV CORP (JP)
International Classes:
G02B1/02; C23C14/08; G02B1/11
Foreign References:
| JP2006518809A | 2006-08-17 | |||
| JP2005179129A | 2005-07-07 | |||
| JPH06219786A | 1994-08-09 | |||
| JP2008050677A | 2008-03-06 | |||
| JP2964513B2 | 1999-10-18 | |||
| JP2008052913A | 2008-03-06 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
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