Title:
INFORMATION RECORDING METHOD AND REPRODUCING METHOD
Document Type and Number:
Japanese Patent JP2004134018
Kind Code:
A
Abstract:
To solve the problem that in a conventional optical disk, recording and reproducing are hard to keep compatibility of high reliability and a low error rate.
An average run length of a RLL code when a crystal state is recorded is made shorter than that when an amorphous state is recorded, in a recording film. Thereby, the high reliability and low error rate are compatible.
Inventors:
KUROKAWA TAKAHIRO
MIYAMOTO JIICHI
MINEMURA HIROYUKI
MIYAMOTO JIICHI
MINEMURA HIROYUKI
Application Number:
JP2002298229A
Publication Date:
April 30, 2004
Filing Date:
October 11, 2002
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G11B7/0045; G11B7/005; G11B20/10; G11B20/14; H03M5/14; G11B20/12; (IPC1-7): G11B20/14; G11B7/0045; G11B7/005; G11B20/10
Attorney, Agent or Firm:
Yasuo Sakuta