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Patent Searching and Data


Title:
OPTICAL DISK AND RECORDING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2006079773
Kind Code:
A
Abstract:

To provide a sensitivity correction method at the time of recording BCA information.

An optical disk and a BCA information recording method are provided which enable correction of laser power for recording the BCA information by test writing to be performed by arranging a test area via a mirror area on the inner circumferential side of the BCA outside a user data recording area.


Inventors:
YASUI TOSHIAKI
IIDA TAMOTSU
NAGATAKI YOSHIYUKI
Application Number:
JP2004264895A
Publication Date:
March 23, 2006
Filing Date:
September 13, 2004
Export Citation:
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Assignee:
HITACHI MAXELL
International Classes:
G11B7/007; G11B7/0045
Attorney, Agent or Firm:
Inage Satoshi