Title:
【発明の名称】光ディスクのトラック形状測定方法及び測定装置
Document Type and Number:
Japanese Patent JP3006564
Kind Code:
B2
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Inventors:
Tsutomu Matsui
Application Number:
JP29188597A
Publication Date:
February 07, 2000
Filing Date:
October 24, 1997
Export Citation:
Assignee:
NEC
International Classes:
G11B7/26; (IPC1-7): G11B7/26
Domestic Patent References:
| JP63293405A | ||||
| JP629719B2 |
Attorney, Agent or Firm:
Suzuki Akio