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Patent Searching and Data


Title:
MOLDING, MOLDING MATERIAL, OPTICAL COMPONENT AND PRODUCTION METHOD OF MOLDING MATERIAL
Document Type and Number:
Japanese Patent JP2013216908
Kind Code:
A
Abstract:

To provide a molding for optical components excellent in appearance quality.

A molding is used in optical components selected from an fθ lens, an imaging lens or a light guide plate, and includes a polymer having an alicyclic structure in part or whole of a repeating structural unit. When the molding is immersed in cyclohexane in concentration of 1 g/mL at 23°C for 6 hours under stirring, the number of insoluble microparticles with 1-2 μm particle diameter contained in the cyclohexane is 200 pieces/mL or less, measured by a liquid particle counter.


Inventors:
Yoshimoto, Emi
Tanaka, Toru
Application Number:
JP2013000136518
Publication Date:
October 24, 2013
Filing Date:
June 28, 2013
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
C08F210/00; C08F232/08; C08L23/02; C08L45/00; G02B1/04; G02B3/00
Attorney, Agent or Firm:
速水 進治