Title:
SINGLE-SIDED TWO LAYERED OPTICAL DISK AND METHOD AND DEVICE FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2003281791
Kind Code:
A
Abstract:
To enhance uniformity of the thickness of an intermediate layer provided between two recording layers in a single-sided two layered optical disk for the next generation.
A stamper is spin-coated with a 2P resin (Photo-Polymer) (ST1) and a molded substrate on which a first layer is film-deposited is spin-coated with a UV curing adhesive (ST3). The molded substrate spin-coated with the UV curing adhesive and the stamper spin-coated with the 2P resin are pressed and stuck to each other under vacuum to cure the adhesive and the 2P resin with UV (ST4). The stamper is peeled (ST5), a second layer is film-deposited on the 2P resin and then a cover layer is formed on the second layer (ST6).
Inventors:
ODERA YASUAKI
Application Number:
JP2002081794A
Publication Date:
October 03, 2003
Filing Date:
March 22, 2002
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
B29C43/02; B29D17/00; G11B7/24; G11B7/24038; G11B7/26; B29C35/08; (IPC1-7): G11B7/26; G11B7/24
Attorney, Agent or Firm:
Takehiko Suzue (6 outside)