Photosensitive semiconductor device

Details Photosensitive semiconductor device Photosensitive semiconductor device

1998-04-22

2000-06-27

Monin, Jr., Donald L.

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

In combination with or also constituting light responsive...

257 82, 257 99, 257666, 257790, H01L 2715

Patent

active

06080999&

ABSTRACT:
An object of the present invention is to prevent deterioration of adhesion between a molding resin and lead frame and a light transmission characteristic due to the attachment of a translucent resin to an upper surface of the lead frame upon charging a photocoupler with the translucent resin.
A concave portion is defined in an island of a lead frame to which a photosensitive semiconductor device is fixed.

REFERENCES:
patent: 4712017 (1987-12-01), Kamasaki
patent: 4745294 (1988-05-01), Kohashi et al.
patent: 5148243 (1992-09-01), Merrick et al.
patent: 5647034 (1997-07-01), Matsuda et al.
patent: 5665983 (1997-09-01), Nagano
patent: 5770867 (1998-06-01), Sata et al.

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