| 摘要 |
PROBLEM TO BE SOLVED: To inhibit magnetic flux from entering between layers of magnetic shield having a multilayer structure.SOLUTION: A magnetic shield device 10 includes a shield part 1 and cover parts 2. The shield part 1 includes a first cylinder constructed of a magnetic material and a second cylinder which is disposed in a hollow of the first cylinder and constructed of the magnetic material. The cover parts 2 covers at least a part of a space between the first cylinder and the second cylinder out of one opening of the shield part 1. |
