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Patent Searching and Data


Title:
OPTICAL ELEMENT, METHOD FOR PRODUCING THE OPTICAL ELEMENT, AND OPTICAL PICK-UP DEVICE
Document Type and Number:
Japanese Patent JP2006143930
Kind Code:
A
Abstract:

To provide an optical element improved in light stability and capable of sustaining the stability for a long time, to provide a method for producing the same, and to provide an optical pick-up device given by using the optical element.

This optical element is given by molding a resin composition, wherein the resin composition contains a polymer which is obtained by subjecting a 2-20C α-olefin and a cyclic olefin to addition polymerization in the presence of a transition metal complex compound. A stabilizer selected from a phenol-based stabilizer, a hindered amine-based stabilizer, a phosphorus-based stabilizer, and a sulfur-based stabilizer is preferably added to the resin composition.


Inventors:
Fujino, Yasumitsu
Application Number:
JP2004000337672
Publication Date:
June 08, 2006
Filing Date:
November 22, 2004
Export Citation:
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Assignee:
KONICA MINOLTA OPTO INC
International Classes:
C08F210/00; C08F4/642; C08F232/00; G02B1/04; G02B3/08; G11B7/135
Attorney, Agent or Firm:
荒船 博司