发明名称 Optical pickup
摘要 An optical pickup is provided with a protector which prevents collision between an objective lens and an optical recording medium. The protector includes: a first sheet material which is arranged on an uppermost layer, has durability for abrasion against the collision with the optical recording medium that rotates in high speed, and is softer than a protecting member that protects a recording surface of the optical recording medium; a second sheet material which is provided in lower side than the first sheet material and has elasticity; and a plurality of adhesive sheets to perform adhesion between the sheet materials that form the protector, or adhesion between the lowermost sheet material among the sheet materials and a lens holder which holds the objective lens, or the objective lens.
申请公布号 US2009109829(A1) 申请公布日期 2009.04.30
申请号 US20080285981 申请日期 2008.10.17
申请人 FUNAI ELECTRIC CO., LTD. 发明人 HAYASHI SOTARO
分类号 G11B7/00 主分类号 G11B7/00
代理机构 代理人
主权项
地址