Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Outside periphery of package having specified shape or...
Patent
1998-01-26
1999-06-15
Ngo, Ngan V.
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
Outside periphery of package having specified shape or...
257680, 257687, 257702, 257729, H01L 2304, H01L 2302, H01L 2322
Patent
active
059125047
ABSTRACT:
A semiconductor optical device is provided with a photo-electric conversion unit having plural photo-electric conversion elements and is entirely sealed by a sealing member. The photo-electric conversion elements are connected to external leads with electrical connectors. The distance D between a planar outer surface and a photoelectric conversion area satisfies the equation, D.gtoreq./2.multidot.l/tan .theta., where .theta. is a critical angle of total reflection of the sealing member with respect to air and l is the maximum length of said photoelectric conversion area.
REFERENCES:
patent: 3622419 (1971-11-01), London et al.
Patent Abstracts of Japan, vol. 6, No. 61 (M-123) (939) Apr. 20, 1982 & JP-A-57 002 773 (Nippon Denshin Denwa Kosha) Jan. 8, 1982.
Mihara Akio
Ohnuki Ichiro
Ohtaka Keiji
Sato Toshiaki
Suda Yasuo
Canon Kabushiki Kaisha
Ngo Ngan V.
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