发明名称 |
Photoelectric device-part |
摘要 |
In a photoelectric device-part, a bonding pad is formed without increasing a plane area of a concave part for housing a photoelectric device to implement miniaturization and improvement of the light usability efficiency. A light reflecting surface 3 of nearly a parabola configuration or the like provided for light emission and reception by a photoelectric device 5 is formed on a slanting curved surface constituting a concave part 2 of a circuit substrate 1. A convex portion 9a projecting from the light reflecting surface 3 and a receding concave portion 9b are formed in the middle of the concave part 2. A stage 9 is formed by an upper and bottom surfaces of the convex and concave portions 9a and 9b, respectively. A bonding pad 7 for connecting circuits of the photoelectric device 5 is formed at the stage 9. Since a space for the bonding pad 7 is provided by both concave and convex portions, deformation of the light reflecting surface 3 caused by the receding concave portion 9b and a ratio of intrusion to the bottom surface of the concave part by the projecting convex portion 9a can be both minimized. As a result, the photoelectric device 5 can be mounted without largely lowering light emission efficiency or without decentering the light emitting and receiving center, whereby a photoelectric device-part 10 can be miniaturized. <IMAGE> |
申请公布号 |
EP1385217(A3) |
申请公布日期 |
2005.04.20 |
申请号 |
EP20030253389 |
申请日期 |
2003.05.30 |
申请人 |
MATSUSHITA ELECTRIC WORKS, LTD. |
发明人 |
KIDA, SHINOBU;TATSUTA, JUN;YOSHIDA, HIROYUKI;MASUI, MIKIO |
分类号 |
H01L31/0203;H01L31/0232;H01L33/46;H01L33/48;H01L33/62 |
主分类号 |
H01L31/0203 |
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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