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:
Feb. 04, 1997
Filed:
Nov. 24, 1993
Applicant:
Inventors:
Keiichi Nakao, Kyoto, JP;
Noboru Mohri, Katano, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
156 89 ; 156253 ; 264-31 ; 264 61 ;
Abstract
For minimizing the size of a ceramic electronic device for elimination of noise in a digital circuit installed in an electric apparatus, a method comprises the steps of placing a ceramic layers structure encapsulating internal electrodes on a substrate which has a plurality of apertures arranged therein, making through holes in the ceramic layers structure by applying a sand blasting through the apertures of the substrate, and forming in the through holes external electrodes connected to the internal electrodes.