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:
May. 09, 1989
Filed:
Mar. 17, 1988
Applicant:
Inventors:
Assignees:
Osaka Prefecture, Osaka, JP;
Koatsu Gas Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
428596 ; 428613 ; 428662 ; 428137 ; 428930 ; 174 / ;
Abstract
A superconductor for magnetic field shielding comprising a substrate, at least one superconductor film layer, which is laminated on the substrate, and a plurality of small holes 2 which pass through the substrate and the superconductor film layer, wherein the thickness of the superconductor film layer is 100 .mu.m or less. The superconductor of the present invention uses both superconductive shielding and electromagnetic shielding to deliver extremely high magnetic shielding performance.