Monolithic optocoupler with electrically conducting layer for di

Details Monolithic optocoupler with electrically conducting layer for di Monolithic optocoupler with electrically conducting layer for di

1988-12-02

1990-06-12

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

357 19, H02B 2700

Patent

active

049335618

ABSTRACT:
A monolithic optocoupler has a semi-insulating substrate and two opto-components (A, B) arranged thereon, between which signals and/or power can be transmitted through optical radiation. In order to suppress interference transferred capacitively and/or resistively between the two components, screening means are arranged on the substrate between the two components. The screening member is produced using the same type of integrated-circuit technique as for the opto-components, and preferably in the same manufacturing step as these components. The screening member is suitably provided with connection means for its grounding.

REFERENCES:
patent: 3436548 (1969-04-01), Biard
patent: 3639770 (1972-02-01), Zizelmann
patent: 3748480 (1973-07-01), Coleman
patent: 3818451 (1974-06-01), Coleman
patent: 3881113 (1975-04-01), Rideout
patent: 4021834 (1977-05-01), Epstein
patent: 4112308 (1978-09-01), Olschewski
patent: 4647148 (1987-03-01), Katagiri

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