Ohtama Co., LTD. – Specializing in permalloy, magnetic shielding, magnetic field measurement, heat treatment and magnetic field cancellation.

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042-377-4311Telephone inquiries

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Ohtama are professionals in the area of magnetic shielding and magnetic collection components and manufacture a range of products using a variety of materials with a strong focus on iron-nickel alloys (Permalloy).

Magnetic shielding components

Magnetic shielding components

Shielding components for telecommunications equipment, broadcasting equipment, electron beams and electron microscopes used in semiconductor applications and medical equipment etc.

Magnetic shield rooms & cases

Magnetic shield rooms & cases

Ohtama offers a range of solutions to shield against external magnetic fields and to prevent the leakage of generated magnetic fields.

Sensor cores & yokes

Magnetic annealing & heat treatment

Ohtama offers a range of heat treatment services, including magnetic annealing of Permalloy and pure iron materials in a hydrogen atmosphere or in a vacuum.

Magnetic annealing & heat treatment

Magnetic field measurement & analysis

Ohtama provides onsite measurements at facilities where electron beam applications are used and a range of other low-frequency magnetic field measurements.

Magnetic field measurement & analysis

Next-generation magnetic shielding materials

Watch this space! We are currently in the process of developing new, light-weight, ultra-high-performance magnetic shields under contract of the Ministry of Economy, Trade and Industry of Japan.

Inquiries

Telephone inquiries

 

042-377-4311

Online inquiries

 

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