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. 22, 1999
Filed:
Apr. 22, 1997
Applicant:
Inventors:
Assignees:
Ibiden Co., Ltd., Ohgaki, JP;
Texas Instruments Japan, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361704 ; 29831 ; 174252 ; 361719 ;
Abstract
An electronic component mounting base board comprises an insulating substrate provided with a mounting portion for mounting an electronic component and a heat-sink plate disposed on an lower surface of the insulating substrate, in which the insulating substrate is provided with a wiring pattern for signal or power, a grounding pattern and a grounding hole, and the grounding hole is provided on its inner wall with a metal plated film for electrically connecting to the grounding pattern and a solder is filled in an inside of the grounding hole for electrically connecting to the heat-sink plate.