PURPOSE: To make it possible to obtain a sufficient magnetic shielding effect without necessitating the execution of specified and completely sealed works by a method wherein room temperature superconductive substances are mixed or buried in a wall material for sectioning the periphery of a magnetic shielding room.
CONSTITUTION: Granular or powdery room temperature superconductive substances 6 are mixed in a sidewall 2, a ceiling wall 3 and a floor wall 4, which section the periphery of a magnetic shielding room 1. These substances 6 are ones sintered at a proper temperature, are put in a concrete with an aggregate when the aggregate is mixed in the concrete and have only to be kneaded. Accordingly, a specified labor hour is not needed at all. In such the room 1, even though their mutual intervals between the substances 6 in the walls 2∼4 are a little wide, it is prevented for a magnetism existing on the outside to intrude into the room 1 and it can be prevented for a magnetism generated in the room 1 to leak to the outside because a magnetic shielding effect is produced widely on the peripheries of the substances by the complete diamagnetic action and the proximity effect of the substances 6.
KUDO TATSUJI
SAKAI KANJI
TAKEUCHI ATSUSHI
| JPS4923594A | 1974-03-02 | |||
| JPS62112845A | 1987-05-23 | |||
| JPS5227355A | 1977-03-01 | |||
| JP62070499B | ||||
| JPS61274376A | 1986-12-04 | |||
| JPS5218444A | 1977-02-12 |
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