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:
Jun. 26, 2001
Filed:
Mar. 23, 2000
Hiroyuki Juso, Gose, JP;
Yoshiki Sota, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A rectangular semiconductor chip is mounted on an insulating substrate having a plurality of first through holes the opening area of which increases toward the side of the surface of the opening, the insulating substrate is provided with a wiring pattern having conductive land portions covering the entire surface of the opening of each of the first through holes on the side of the semiconductor chip mounting surface, and an external connection terminal is connected to the entire surface of a land portion exposed from the first through hole, and the opening shape of the first through hole is a circular shape having a projected portion at least in a region including a region on a circumference the farthest from the center of the semiconductor chip.