Patent ID: 8624286

Claim:
A semiconductor device comprising: a first body molded with a first resin, the first body including a first light emitting element, a first primary lead electrically connected to the first light emitting element, a first light receiving element positioned to receive light emitted by the first light emitting element, and a first secondary lead electrically connected to the first light receiving element; a second body molded with the first resin, the second body including a second light emitting element, a second primary lead electrically connected to the second light emitting element, a second light receiving element positioned to receive light emitted by the second light emitting element, and a second secondary lead electrically connected to the second light receiving element; and a third body molded with a second resin, the third body including the first body and the second body; at least one common lead electrically connected to the first and second primary leads or the first and second secondary leads, and wherein the at least one common lead includes a portion extending between the first body and the second body, the portion extending between the first body and the second body including a first portion covered with a first thin film that is linked to the first body and a second portion covered with a second thin film that is linked to the second body.