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. 10, 2002
Filed:
Sep. 07, 2000
Makoto Kitano, Tsuchiura, JP;
Michiharu Honda, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A semiconductor device-mounting construction including a semiconductor device having a plurality of electrodes formed on one main surface thereof. A printed circuit board having a writing pattern formed on one main surface thereof and a plurality of solder bumps interposed between the plurality of electrodes and the writing pattern to electrically connect the semiconductor device and the printed circuit board together. All of the voids, which are present in an interface of each of those of the plurality of solder bumps which are disposed closest to an outer peripheral edge of the semiconductor device, joined to the semiconductor device, are fine, and generally uniform in size.