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Patent Searching and Data


Title:
MOLD, METHOD FOR MANUFACTURING OPTICAL ELEMENT, AND OPTICAL ELEMENT
Document Type and Number:
Japanese Patent JP2003011150
Kind Code:
A
Abstract:

To provide a mold enabling the thickness control of a resin, the enhancement of releasability and the reduction of coating quantity.

The mold 101 is used in order to mold an optical element by transferring the shape of a molding surface to a resin material 104 and equipped with the groove 102 provided at the position corresponding to the outside of the optical effective part of the optical element and the projected part 103 provided to the outside of the groove to control the thickness of the resin material.


Inventors:
HAYASHI SENICHI
Application Number:
JP2001203771A
Publication Date:
January 15, 2003
Filing Date:
July 04, 2001
Export Citation:
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Assignee:
CANON KK
International Classes:
G02B5/18; B29C43/02; B29C43/36; B29C43/58; G02B3/00; B29L11/00; (IPC1-7): B29C43/36; B29C43/02; B29C43/58; G02B3/00; G02B5/18
Attorney, Agent or Firm:
Yasunori Otsuka (3 others)