发明授权
- 专利标题： Optical disk drawing apparatus, optical disk drawing system and optical disk drawing method
- 专利标题（中）： 光盘绘图装置，光盘绘图系统和光盘绘制方法
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申请号： US11874593申请日： 2007-10-18
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公开(公告)号： US07852716B2公开(公告)日： 2010-12-14
- 发明人: Hisanori Itoga , Tatsuo Fushiki
- 申请人： Hisanori Itoga , Tatsuo Fushiki
- 申请人地址： JP Hamamatsu-shi
- 专利权人： Yamaha Corporation
- 当前专利权人： Yamaha Corporation
- 当前专利权人地址： JP Hamamatsu-shi
- 代理机构： Crowell & Moring LLP
- 优先权： JP2006-283592 20061018
- 主分类号： G11B7/00
- IPC分类号： G11B7/00
摘要：
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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