| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic search device capable of realizing a highly accurate magnetic search.SOLUTION: A first collar material 17 and a second collar material 18 are inserted to a first core material 6 which is inserted with a first coil 4, and a gap between the first coil 4 and a first permalloy stop 9A is eliminated, and the gap between the first coil 4 and a second permalloy stop 9B is eliminated. Further, a third collar material 19 and a fourth collar material 20 are inserted to a second core material 8 which is inserted with a second coil 5, and the gap between the second coil 5 and a third permalloy stop 9C is eliminated, and the gap between the second coil 5 and a fourth permalloy stop 9D is eliminated. |
