发明名称 |
Stray light cutting structure for optical device |
摘要 |
A stray light cutting structure for an optical device provided with an optical component through which a predetermined light beam travels in parallel to the optical axis of the optical device is provided. The structure is for cutting stray light, which travels at an angle to the optical axis of the optical device to enter the optical component through one end face thereof, and includes at least one notch formed on one side face of the optical component.
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申请公布号 |
US6707838(B2) |
申请公布日期 |
2004.03.16 |
申请号 |
US20020153790 |
申请日期 |
2002.05.24 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
TANI TAKEHARU;HYUGA HIROAKI |
分类号 |
G02B5/00;G02F1/37;H01S3/06;H01S3/08;H01S3/109;H01S3/13;H01S5/10;(IPC1-7):H01S3/08 |
主分类号 |
G02B5/00 |
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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