Magnetically shielded room with sliding door

Static structures (e.g. – buildings) – Combined

Patent

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Details

52207, 49477, 174 35MS, H05K 900

Patent

active

053354648

ABSTRACT:
A magnetically shielded room has four walls, a floor, and a ceiling. One of the walls has a doorway therethrough, and a sliding door is provided to close the doorway. Each of the four walls, the floor, the ceiling, and the door is formed of at least one layer of electrically conductive material to exclude radio frequency energy from the interior of the room, and at least one layer of high magnetic permeability material to exclude magnetic fields from the interior of the room. Preferably, at least the wall with the doorway therethrough and the door are formed of two electrically conductive plates and a layer of high magnetic permeability material on each of the plates, the electrically conductive plates of the wall being spaced sufficiently far apart that the sliding door slides into the space between the plates when the doorway is opened. In this preferred approach, the door is mechanically, electrically, and magnetically sealed to the doorway in the wall by inflating bladders in the door that force the electrically conductive plates of the door against the respective plates of the wall, and the high magnetic permeability layers of the door against the respective layers of the wall.

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Brochure entitled "Magnetic Shielded Rooms" by Falls Permalloy Rooms and Machine Shop. Date unknown.

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