Title:
OPTICAL LENS
Document Type and Number:
Japanese Patent JP2006178150
Kind Code:
A
Abstract:
To provide an optical lens having small distribution of refractive index and small aberration of the lens (the deviation of focal length) in the inside part of of the lens.
The optical lens is obtained by forming an α-olefin monomer norbornene based monomer addition copolymer containing a structural unit (I) originating from a 2-30C α-olefin and a structural unit (II) originating a norbornene based monomer having an aromatic ring in a molecule and ≥83 mol% endo-body.
More Like This:
Inventors:
MURAKAMI TOSHIHIDE
Application Number:
JP2004370790A
Publication Date:
July 06, 2006
Filing Date:
December 22, 2004
Export Citation:
Assignee:
NIPPON ZEON CO
International Classes:
G02B1/04; C08F210/00; C08F232/08; G11B7/135
Attorney, Agent or Firm:
Haruhito Oishi