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Manufacturing Equipment

A Specialized Magnetic Shielding Manufacturer with Over 60 Years of Proven Expertise in Soft Magnetic Materials: OHTAMA

OHTAMA Co., Ltd.
One of Japan's Largest Vacuum Heat Treatment Furnaces

One of Japan's Largest Vacuum Heat Treatment Furnaces

Why Leaders Choose Us: The Synergy of Master Craftsmanship and Advanced Engineering

Working with soft magnetic materials requires navigating complex material properties. Our master craftsmen possess the inherited skills to handle these challenging materials, minimizing distortion during heat treatment to preserve peak performance. Supporting this tradition is our cutting-edge infrastructure, featuring one of Japan's largest heat treatment facilities equipped with proprietary automated temperature control systems. We enhance this technical foundation with high-precision magnetic field simulations backed by decades of empirical data and world-class analytical environments. By maintaining an extensive inventory to ensure short lead times and cost-efficiency, we deliver the essential magnetic solutions that drive advancements in cutting-edge science through a perfect balance of theory and experience.

Mudelta metal<sup>®</sup>: Powering the Future of Quantum Computing

Mudelta metal®: Powering the Future of Quantum Computing

Empowering the Digital Age: Mudelta metal® High-Performance Shielding

Mudelta metal® is a high-performance shielding material that achieves its ultimate magnetic properties through Ohtama's proprietary heat treatment technology. Through our integrated production system, utilizing some of Japan's largest vacuum and hydrogen atmosphere furnaces, combined with rigorous automated quality control, we provide exceptionally high shielding performance with absolute stability. This reliability is why our materials are trusted in fields requiring extreme precision, from semiconductor manufacturing and biomagnetic measurement to the frontiers of quantum computing.
Shielding Components for Semiconductor Manufacturing Equipment

Shielding Components for Semiconductor Manufacturing Equipment

Magnetic Field Analysis: Visualizing the Invisible to Optimize Design

By visualizing invisible magnetic fields, we provide a clear view of internal magnetic distributions. This capability extends from individual components to both small and large-scale magnetic shielded rooms. Using advanced simulation software based on your design blueprints, we model magnetic characteristics to design and verify shielding performance before production. Our 3D CAD design process allows for seamless data sharing and collaborative verification. This pre-production analysis ensures performance reliability while eliminating over-engineering, delivering the highest possible cost-performance for your project.
10-Meter Class Doorless Magnetic Shielding Chamber

10-Meter Class Doorless Magnetic Shielding Chamber

Magnetic Shielding Chambers

Our expertise extends from small components to massive magnetic shielding chambers exceeding 10 meters, with a proven track record of international delivery and installation. We leverage our full suite of technologies to provide custom-engineered, one-of-a-kind chambers with short lead times. From initial environmental magnetic field measurement and simulation to fabrication, heat treatment, on-site assembly, inspection, and EMI canceler installation, we manage every step in-house. This end-to-end oversight ensures total quality control and provides the peace of mind our global clients rely on.

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