DIFFRACTIVE OPTICAL DEVICE AND METHOD FOR PRODUCING DIFFRACTIVE OPTICAL DEVICE

Title:

DIFFRACTIVE OPTICAL DEVICE AND METHOD FOR PRODUCING DIFFRACTIVE OPTICAL DEVICE

Document Type and Number:

WIPO Patent Application WO/2005/031404

Kind Code:

A1

Abstract:

Disclosed is a diffractive optical device (1) wherein materials different from each other meet in a same diffraction grating groove (30). One of the materials is a first ultraviolet-curing resin (10) and the other material is a second ultraviolet-curing resin (20) that is different from the first ultraviolet-curing resin (10).

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Inventors:

SUZUKI KENZABURO (JP)

Application Number:

PCT/JP2004/014706

Publication Date:

April 07, 2005

Filing Date:

September 29, 2004

Export Citation:

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Assignee:

NIKON CORP (JP)
SUZUKI KENZABURO (JP)

International Classes:

B29C39/10; G02B1/04; G02B5/18; G02B27/00; G02B27/44; B29L9/00; (IPC1-7): G02B5/18

Domestic Patent References:

WO2003079061A1

2003-09-25

Foreign References:

JP2001255408A	2001-09-21
JP2003227913A	2003-08-15
US20020015231A1	2002-02-07
US20010015848A1	2001-08-23

Other References: