Title:
プラスチック製光学素子及びプラスチック製光学素子の製造方法
Document Type and Number:
Japanese Patent JP5250851
Kind Code:
B2
Abstract:
Disclosed is a plastic optical device having excellent gas barrier properties which are hardly deteriorated even when the device is used under high temperature conditions or abruptly changing environmental conditions. Also disclosed is a method for producing such a plastic optical device. Specifically disclosed is a plastic optical device which is provided with a gas barrier film over the entire surface thereof. This plastic optical device is characterized in that at least a part of a region B other than the optical path on the surface has a gas barrier film having a larger ductility than the gas barrier film provided over an optical path region A on the surface.
Inventors:
Hirota Arita
Kazuhiro Fukuda
Kazuhiro Fukuda
Application Number:
JP2009517755A
Publication Date:
July 31, 2013
Filing Date:
May 07, 2008
Export Citation:
Assignee:
Konica Minolta Co., Ltd.
International Classes:
G02B1/04; G02B1/10; G02B1/113; G02B1/14; G02B1/16; G11B7/135; G11B7/1374; G11B7/1376
Domestic Patent References:
| JP2004013061A | 2004-01-15 | |||
| JP2006071995A | 2006-03-16 | |||
| JP2005219223A | 2005-08-18 | |||
| JPH05303010A | 1993-11-16 | |||
| JP2004013061A | 2004-01-15 | |||
| JP2006071995A | 2006-03-16 | |||
| JP2005219223A | 2005-08-18 | |||
| JPH05303010A | 1993-11-16 |
Attorney, Agent or Firm:
Isono Dozo
Yasuo Nara
Naoki Ito
Yasuo Nara
Naoki Ito