The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1993
Filed:
Oct. 09, 1991
Toshifusa Yamada, Kanagawa, JP;
Fuji Electric Co., Ltd., Kanagawa, JP;
Abstract
A sealed semiconductor device, comprising at least one semiconductor chip, a wiring circuit board having the at least one semiconductor chip disposed thereon, at least one inner wire connecting the semiconductor chip to the wiring circuit board, a base board having the wiring circuit board disposed thereon, the base board enclosed on all sides forming a case, a silicon gel layer partially filling the case, a sealing resin layer disposed within the case above the silicon gel layer, a resin block in contact with the sealing resin layer, at least one inner terminal portion electrically connected to the wiring circuit board, at least one intermediate protruding portion electrically connected to, and projecting upwardly from, the at least one inner terminal portion, at least one aperture through the at least one intermediate protruding portion, the at least one aperture substantially disposed along a direction of a current passing through the at least one intermediate protruding portion within the case, and an outer terminal portion electrically connected to the at least one intermediate protruding portion is disclosed.