THROUGH-HOLE STRUCTURE OF MAGNETIC SHIELD ROOM

PROBLEM TO BE SOLVED: To provide a magnetic shield room which reduces magnetic flux entry of a low-frequency AC component of a leakage magnetic field from a through-hole. SOLUTION: The through-hole structure of the magnetic shield room which includes a wall formed of a material containing a high-mag...

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Bibliographic Details
Main Author KAZAMI KUNIO
Format Patent
LanguageEnglish
Published 01.10.2009
Subjects
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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Summary:PROBLEM TO BE SOLVED: To provide a magnetic shield room which reduces magnetic flux entry of a low-frequency AC component of a leakage magnetic field from a through-hole. SOLUTION: The through-hole structure of the magnetic shield room which includes a wall formed of a material containing a high-magnetic-permeability material and a cylinder body formed of a material containing a high-magnetic-permeability material in a portion of the wall, and blocks entering magnetic noise, is equipped with a high-conductivity material fitted covering and enclosing the cylinder body. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20080069824