Invention Grant
- Patent Title: Optical disk drawing apparatus, optical disk drawing system and optical disk drawing method
- Patent Title (中): 光盘绘图装置，光盘绘图系统和光盘绘制方法
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Application No.: US11874593Application Date: 2007-10-18
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Publication No.: US07852716B2Publication Date: 2010-12-14
- Inventor: Hisanori Itoga , Tatsuo Fushiki
- Applicant: Hisanori Itoga , Tatsuo Fushiki
- Applicant Address: JP Hamamatsu-shi
- Assignee: Yamaha Corporation
- Current Assignee: Yamaha Corporation
- Current Assignee Address: JP Hamamatsu-shi
- Agency: Crowell & Moring LLP
- Priority: JP2006-283592 20061018
- Main IPC: G11B7/00
- IPC: G11B7/00
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.
Public/Granted literature
- US20080094955A1 Optical Disk Drawing Apparatus, Optical Disk Drawing System And Optical Disk Drawing Method Public/Granted day:2008-04-24
Information query
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