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. 08, 1994
Filed:
Nov. 12, 1992
Applicant:
Inventors:
Naomiki Kato, Aichi, JP;
Kazuyuki Maruyama, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257698 ; 257691 ;
Abstract
A ceramic base of an IC package has a laminated structure and has two conductive layers sandwiched between insulating ceramic layers. One of the conductive layers is used as a power source layer and electrically connects a plurality of power source terminals of an IC chip to a single power source lead. The other conductive layer is used as an earth layer and electrically connects a plurality of earth terminals of the IC chip to a single earth lead.