Optical disk drawing apparatus, optical disk drawing system...

Details Optical disk drawing apparatus, optical disk drawing system... Optical disk drawing apparatus, optical disk drawing system...

2007-10-18

2010-12-14

Tran, Thang V (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044350, C369S053280

Reexamination Certificate

active

07852716

ABSTRACT:
In the optical disk drawing apparatus of the present invention, an automatic adjusting area where the drawing operation is not carried out is provided in the optical disk, laser light is irradiated onto the formed automatic adjusting area so as to control the focus servo gain, so that a stable focus servo control can be carried out.

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English translation of Japanese Office Action dated May 22, 2009 (Four (4) pages).
European Search Report dated Dec. 29, 2008 (eight (8) pages).
Japanese Office Action dated Sep. 24, 2008 with English translation (Five (5) pages).

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