发明名称 Lens protector and optical pick-up
摘要 The lens protector serving as a means for preventing a scratch of an objective lens and an optical disc of the optical pick-up in which a signal-recording surface of the optical disc is irradiated with light beams to read signals from the signal-recording layer and/or record signals on the signal-recording layer. The lens protector is a molding of silicone rubber and has a rubber hardness not more than 40°, when the rubber hardness is measured in accordance with JIS-A.
申请公布号 US7631321(B2) 申请公布日期 2009.12.08
申请号 US20050249104 申请日期 2005.10.12
申请人 NTN CORPORATION 发明人 HAYASHI TAKUMI;HIROSE KAZUO
分类号 G11B7/00 主分类号 G11B7/00
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