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. 31, 1992
Filed:
Oct. 27, 1989
Applicant:
Inventor:
Asaharu Nakagawa, Yokkaichi, JP;
Assignee:
Kitagawa Industries Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428323 ; 428457 ; 428458 ; 428461 ;
Abstract
A layered material for a housing that shields electronic components, comprising synthetic resin body reinforced with carbon fiber, which has superior mechanical properties and conductivity, and a metallic layer on its surface made of metal with high permeability, is light and endowed with high conductivity and high permeability wherein the housing prevents electromagnetic troubles of electronic components by concentrating magnetic flux from low-frequency magnetic field on the ferromagnetic layer spread on its outer surface.