Title:
OPTICAL ELEMENT MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2017/130997
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an optical element manufacturing method for affixing a hologram sheet to an optical substrate, with an easy method and without degrading optical characteristics. This optical element 1 manufacturing method is characterized in that a hologram sheet 10 is affixed to an optical substrate 20 by thermal pressure bonding. As an embodiment of the present invention, it is preferable to cover the hologram sheet 10 using a protective member 30, from the upper surface of the hologram sheet 10 which has been affixed to the optical substrate 20.
Inventors:
OKADA TAKUMI (JP)
Application Number:
PCT/JP2017/002441
Publication Date:
August 03, 2017
Filing Date:
January 25, 2017
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G02B5/32; G02B7/00; G03H1/02
Foreign References:
| JPH07270615A | 1995-10-20 | |||
| JPH0524889A | 1993-02-02 | |||
| JP2008287049A | 2008-11-27 | |||
| JPH07186596A | 1995-07-25 | |||
| JP2003205510A | 2003-07-22 |
Attorney, Agent or Firm:
KOYO INTERNATIONAL PATENT FIRM (JP)
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