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. 16, 1999
Filed:
Mar. 14, 1996
Applicant:
Inventors:
Shogo Mizumoto, Ohtsu, JP;
Yutaka Tsukada, Shiga-ken, JP;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01R / ; H05K / ; H01L / ;
U.S. Cl.
CPC ...
174266 ; 361760 ; 257774 ;
Abstract
An electrical connection structure for electrically connecting a chip on a mounting surface of a printed circuit board to a back surface of the printed circuit board includes a printed circuit board having a mounting surface and a back surface, the mounting and back surfaces being opposite surfaces of the printed circuit board, a through hole through the printed circuit board and extending from the mounting to the back surface, an electrical conductive layer between the mounting and back surfaces and a layer that permits wiring over the through hole that is electrically isolated from the electrical conductive layer.