发明名称 |
Photodetector including enhanced light receiving portion |
摘要 |
A photodetector to be incorporated in an optical pickup device, comprising: a photodiode that a laser light emitted from a laser diode is applied to and that outputs a signal corresponding to light amount of the laser light; and a translucent resin member configured to cover the photodiode, including a light receiving portion that the laser light is applied to and that causes the laser light to be applied to the photodiode, and a peripheral portion provided around the light receiving portion, the light receiving portion being smaller in thickness than the peripheral portion.
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申请公布号 |
US7820959(B2) |
申请公布日期 |
2010.10.26 |
申请号 |
US20070839864 |
申请日期 |
2007.08.16 |
申请人 |
SANYO ELECTRIC CO., LTD.;SANYO OPTEC DESIGN CO., LTD. |
发明人 |
KAWASAKI RYOICHI;KAWABUCHI KENICHIROU |
分类号 |
H01J40/14 |
主分类号 |
H01J40/14 |
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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