Since its establishment in 1964, Ohtama Co., Ltd. has been recognized in the industry as a maker specialized in magnetic shielding with Permalloy

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Magnetic field canceller
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Magnetic field canceller

Recently, the performance of electron beam devices has been improved remarkably. Thus permissible limit values of magnetic fields have become strict more and more.
This product is a magnetic field generator to provide stable magnetic fields. It can detect magnetic field noises with a high-sensitivity magnetic field controller, and generates a magnetic field to cancel the noise with Helmholtz coil for three-axis (X,Y and Z).
With the introduction of this canceller, it is now possible to ensure the full performance of electron beam devices even in places where their magnetic field environments are extremely unstable.

Active magnetic field shield"Canceller CA1000"
Canceller image
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