Title:
HOLOGRAM
Document Type and Number:
Japanese Patent JP2000009938
Kind Code:
A
Abstract:
To provide a hologram having excellent heat resistance.
This hologram consists of a hologram film 10 in which a diffraction grating is recorded, a substrate 11 disposed with a joining material 13 on one surface of the hologram film 10, and a polymer film 12 disposed with a joining material 13 to the other surface of the hologram film 10. The film thickness of the polymer film 12 is ≤100 μm, or the polymer film 12 is preliminarily heat treated.
Inventors:
MIZUTANI YASUHIRO
HATTORI HIDEKAZU
HATTORI HIDEKAZU
Application Number:
JP17146598A
Publication Date:
January 14, 2000
Filing Date:
June 18, 1998
Export Citation:
Assignee:
DENSO CORP
International Classes:
G03B21/56; G02B5/18; G02B5/32; G03H1/02; (IPC1-7): G02B5/32; G02B5/18; G03B21/56; G03H1/02
Attorney, Agent or Firm:
Yoshiyasu Takahashi (1 outside)
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