MAGNETIC SHIELD DEVICE

To provide a magnetic shield device which can reduce the gradient of the magnetic field in a predetermined region in the inside of a magnetic shield room.SOLUTION: A magnetic shield device 1 according to the present invention includes: a magnetic shield room 10 having an inner space and a multilayer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AKAISHI MASATAKA, HASEGAWA MOTOKAZU, TAKAHASHI TOMIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS DIAGNOSIS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE PHYSICS PRINTED CIRCUITS SURGERY TESTING
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Beschreibung
Zusammenfassung:	To provide a magnetic shield device which can reduce the gradient of the magnetic field in a predetermined region in the inside of a magnetic shield room.SOLUTION: A magnetic shield device 1 according to the present invention includes: a magnetic shield room 10 having an inner space and a multilayered shielding material for shielding an external magnetic field; magnetic sensors 31, 32, 33, and 34 in the inner space; first coils 21A and 21B located outside the magnetic shield room 10; second coils 22A and 22B arranged between layers in the shielding material; and third coils 23A and 23B in the magnetic shield room 10.SELECTED DRAWING: Figure 1 【課題】磁気シールドルーム内部の所定領域の磁場勾配を低減可能な磁気シールド装置を提供する。【解決手段】本磁気シールド装置１は、内部空間を有し、外部磁場を遮蔽する多層の遮蔽材を備えた磁気シールドルーム１０と、内部空間内に配置される磁気センサ３１，３２，３３，３４と、磁気シールドルーム１０の外部に配置した第１コイル２１Ａ，２１Ｂと、遮蔽材に挟まれた層間に配置した第２コイル２２Ａ，２２Ｂと、磁気シールドルーム１０内部に配置した第３コイル２３Ａ，２３Ｂと、を有する。【選択図】図１