Title:
OPTICAL DISK AND METHOD FOR MANUFACTURING OPTICAL DISK
Document Type and Number:
WIPO Patent Application WO/2006/054782
Kind Code:
A1
Abstract:
An optical disk having a desired thickness is formed by bonding a stamper disk (20) to an L0 layer disk (10). One major side of the stamper disk (20) is provided with minute projections and recesses to be transferred to an L1 layer, and bonding of the stamper disk (20) to the L0 layer disk (10) is carried out after forming minute projections and recesses on an intermediate layer (32) by transferring the projections and recesses thereto from the stamper disk (20).
Inventors:
SUGIURA YOSHIHIRO (JP)
KOITABASHI TAKESHI (JP)
KOITABASHI TAKESHI (JP)
Application Number:
PCT/JP2005/021498
Publication Date:
May 26, 2006
Filing Date:
November 17, 2005
Export Citation:
Assignee:
SONY DISC & DIGITAL SOLUTIONS (JP)
SUGIURA YOSHIHIRO (JP)
KOITABASHI TAKESHI (JP)
SUGIURA YOSHIHIRO (JP)
KOITABASHI TAKESHI (JP)
International Classes:
G11B7/24; G11B7/24027; G11B7/24038; G11B7/24094; G11B7/24097; G11B7/254; G11B7/2542; G11B7/257; G11B7/26
Foreign References:
| JP2002260307A | 2002-09-13 | |||
| JP2003123325A | 2003-04-25 | |||
| JP2004288264A | 2004-10-14 | |||
| JP2004164726A | 2004-06-10 | |||
| JP2002216398A | 2002-08-02 | |||
| JP2004185779A | 2004-07-02 | |||
| US20030179693A1 | 2003-09-25 |
Other References:
See also references of EP 1816643A4
Attorney, Agent or Firm:
Sugiura, Masatomo (Ikebukuro Park Bldg. 49-7, Minami Ikebukuro 2-chom, Toshima-ku Tokyo 22, JP)
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