Title:
LENS AND METHOD FOR MANUFACTURING LENS
Document Type and Number:
WIPO Patent Application WO/2019/003708
Kind Code:
A1
Abstract:
A lens according to an embodiment of the present invention comprises: a lens body containing a first polymer material; a first film provided on the surface of the lens body and containing a mixture of a second polymer material and an inorganic material; and a second film that is an inorganic film provided on the surface of the first film. The lens body includes a concave surface provided on one side viewed along the optical axis of the lens body and a flat surface provided on the one surface and continuing from the concave surface. At least a part of the concave surface is covered with the first film. The flat surface is exposed from the first film and has a polishing trace.
Inventors:
SHINOKI KEIICHIRO (JP)
DOTEUCHI TAKATOSHI (JP)
EGUCHI HARUAKI (JP)
NAKAYAMA TAKASHI (JP)
DOTEUCHI TAKATOSHI (JP)
EGUCHI HARUAKI (JP)
NAKAYAMA TAKASHI (JP)
Application Number:
PCT/JP2018/019301
Publication Date:
January 03, 2019
Filing Date:
May 18, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
G02B3/00; G02B5/00
Foreign References:
| JP2014122971A | 2014-07-03 | |||
| JP2000241604A | 2000-09-08 | |||
| JP2008152085A | 2008-07-03 | |||
| JP2002162504A | 2002-06-07 | |||
| JPH08179105A | 1996-07-12 |
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