Optical disk and its producing method

Optical disk and its producing method

  • CN 1,516,146 A
  • Filed: 02/09/2000
  • Published: 07/28/2004
  • Est. Priority Date: 02/09/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. pressing mold that is used for the molding optical disks substrate comprises:

  • The transfer surface that is used for the molding optical disks substrate;

    But thermal insulation material that with being in contact with it does not extend parallel with described transfer surface;

    WithStructurally from inner periphery towards excircle continually varying gathering sill.

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