发明名称 |
LENS, COMBINATION LENS, METHOD OF MANUFACTURING THE COMBINATION LENS, OPTICAL PICKUP DEVICE, AND OPTICAL DISK DEVICE |
摘要 |
<p>A lens and combination lens able to suppress deviation of an optical axis of a lens occurring at the time of combination and able to be adjusted at a high precision, a method of producing the combination lens, and an optical pickup device and an optical disk drive mounting the combination lens thereon are provided. A first lens L1 comprising a lens body 1 where one surface on an incident side or an emitting side of light is a flat surface and the other surface parallel to the surface formed as the flat surface is a structural element and a second lens L2 comprising a lens body 2 where one surface on an incident side or an emitting side of light is a flat surface and the other surface parallel to the surface formed as the flat surface is a structural element are adhered together. The combination lens is used as the object lens for an optical pickup device and an optical disk drive. <IMAGE></p> |
申请公布号 |
EP1306696(A1) |
申请公布日期 |
2003.05.02 |
申请号 |
EP20020712307 |
申请日期 |
2002.02.13 |
申请人 |
SONY CORPORATION |
发明人 |
YAMADA, MASAHIRO;WATANABE, TETSU |
分类号 |
G02B3/00;C03C27/10;G02B13/00;G11B7/00;G11B7/1372;G11B7/22;(IPC1-7):G02B3/00;G11B7/135 |
主分类号 |
G02B3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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