Solid state relay

Details Solid state relay Solid state relay

2007-08-14

2007-08-14

Lee, John R. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Signal isolator

C250S239000, C438S064000, C438S124000

Reexamination Certificate

active

11612162

ABSTRACT:
A solid state relay is formed by mounting a light-emitting element on a light-emitting side lead frame, mounting a light-receiving element or a switching element which operates in response to the light-receiving element and signals from the light-receiving element on a light-receiving side lead frame, arranging these lead frames on the light-emitting side and the light-receiving side to opposite each other, and sealing into one package and is formed by mounting protective element that protects the light-emitting element or the light-receiving element on at least one of the lead frames and arranging the protective element or the protective element and the switching element inside a primary mold resin that seals the light-emitting element and the light-receiving element.

REFERENCES:
patent: 4745294 (1988-05-01), Kohashi et al.
patent: 2003/0024964 (2003-02-01), Fujiwara
patent: 2004/0097017 (2004-05-01), Shimanuki
patent: 2005/0194552 (2005-09-01), Yamaguchi
patent: 5-206504 (1993-08-01), None
patent: 2001-127099 (2001-05-01), None

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