Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Patent
1992-10-26
1994-11-08
Hille, Rolf
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
In combination with or also constituting light responsive...
257 82, 257432, H01L 2302
Patent
active
053629760
ABSTRACT:
A semiconductor device chip includes a plurality of light emitting diodes for converting into a photo output signal an electric signal to be outputted from the semiconductor device chip, and a plurality of photodiodes for converting a photo input signal into an electric signal. A circuit substrate supporting the semiconductor device chip includes optical guide each located to output a photo signal to a corresponding photodiode or to receive a photo signal emitted from a corresponding light emitting diode. Thus, input/output signals are transmitted in the form of a photo signal through the optical guide at the outside of the semiconductor device chip. Therefore, an electrostatic capacitance between adjacent lead conductors formed on the package can be decreased, and also, an insolation between adjacent lead conductors and a gain can be improved.
REFERENCES:
patent: 4695120 (1987-09-01), Holder
patent: 4862231 (1989-08-01), Abend
patent: 4879250 (1989-11-01), Chan
patent: 5093879 (1992-03-01), Bregman et al.
patent: 5198684 (1993-03-01), Sudo
Hille Rolf
NEC Corporation
Ostrowski David
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