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Patent Searching and Data


Title:
METHOD AND APPARATUS FOR PRODUCING OPTICAL RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2007/058309
Kind Code:
A2
Abstract:
Disclosed are a method and apparatus for producing an optical recording medium which comprises an intermediate layer having a good corrugated surface and only few defects at low cost. Specifically, a recording layer is formed on a substrate directly or via another layer, and a resin material layer is formed on the recording layer directly or via another layer. Then a stamper, which has a corrugated pattern for transfer corresponding to the corrugated surface to be formed, is placed on the resin material layer, and a bonded body is obtained by curing the resin material layer. After that, the stamper is separated from the resin material layer while heating the bonded body, thereby forming the resin material layer into an intermediate layer having a transferred corrugated pattern.

Inventors:
KOMURA ATSUSHI (JP)
AGA MASAFUMI (JP)
MATSUMURA YUMI (JP)
MIZUNO KUMI (JP)
Application Number:
PCT/JP2006/322988
Publication Date:
May 24, 2007
Filing Date:
November 17, 2006
Export Citation:
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Assignee:
MITSUBISHI KAGAKU MEDIA CO LTD (JP)
KOMURA ATSUSHI (JP)
AGA MASAFUMI (JP)
MATSUMURA YUMI (JP)
MIZUNO KUMI (JP)
International Classes:
G11B7/26
Domestic Patent References:
WO2005088629A1
Foreign References:
JPH1158401A
JP2003203402A
JP2004288259A
Attorney, Agent or Firm:
SANADA, Tamotsu (10-31 Kichijoji-Honcho 1-chom, Musashino-shi Tokyo 04, JP)
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