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:
Mar. 09, 1999
Filed:
Jul. 25, 1997
Chisato Furukawa, Atsugi, JP;
Takayuki Matsuyama, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A semiconductor device includes a rectangular semiconductor chip having a main surface, a stripe-form semiconductor element forming portion formed in parallel to one of sides of the semiconductor chip to cross the main surface, a first groove portion formed along one of sides of the semiconductor element forming portion in a longitudinal direction, a second groove portion formed along the other side of the semiconductor element forming portion in the longitudinal direction, the second groove portion including a hollow space which is enlarged in substantially a central portion, a surface electrode formed on at least part of an upper portion of the semiconductor element forming portion, an external lead connecting terminal electrode formed in the hollow space, a wiring formed on part of a bottom surface and a side surface, which is adjacent to stripe-form portion, of the second groove portion, for electrically connecting the surface electrode with the terminal electrode, a first dummy electrode formed at least on the main surface of the semiconductor chip to face the semiconductor element forming portion with the first groove portion disposed therebetween, and a second dummy electrode formed on the main surface of the semiconductor chip to face the semiconductor element forming portion with the second groove portion disposed therebetween.