Title:
DIFFRACTIVE OPTICAL ELEMENT, DIFFRACTIVE OPTICAL ELEMENT MANUFACTURING METHOD, AND MOLDING DIE USED IN DIFFRACTIVE OPTICAL ELEMENT MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/015693
Kind Code:
A1
Abstract:
A diffractive optical element (101) has: a base body (102) that includes, on a surface, a first region (105) that is provided with a diffraction grating; and a second region (106) positioned outside of the first region; and an optical adjustment layer (103) that is provided on the surface such that the optical adjustment layer is in contact with the first region (105) and at least a part of the second region (106). At least a part of the optical adjustment layer (103) part in contact with the second region (106) is provided with a thin film part (107) having a smaller film thickness than a maximum film thickness of the optical adjustment layer (103) part in contact with the second region (106).
Inventors:
OKADA YUKA
MATSUOKA KOUICHIROU
MATSUOKA KOUICHIROU
Application Number:
PCT/JP2014/003187
Publication Date:
February 05, 2015
Filing Date:
June 16, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B5/18; B29C33/42; G02B3/00; G11B7/135; G11B7/22; B29L11/00
Domestic Patent References:
| WO2013027324A1 | 2013-02-28 | |||
| WO2010098055A1 | 2010-09-02 |
Foreign References:
| JP2005305875A | 2005-11-04 |
Attorney, Agent or Firm:
FUJII, Kentaro et al. (JP)
Fujii Kentaro (JP)
Fujii Kentaro (JP)
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