In compliance with the California Governor's Executive Order, Quantum Design has limited operations and will continue to do so until the "stay at home" order is lifted. However, our Service, Sales and Applications Teams continue to work from home and are available to help you by email:, and

We value our employees and customers, and plan to be up and running to serve you in our full capacity as soon as possible. We hope you and your loved ones will remain safe and healthy during these challenging times and look forward to working with you again soon. Please continue to check our website for updates as we move forward.



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About Us

Quantum Design, Inc. (QD) is the manufacturing arm of Quantum Design International (QDI) and has been located in San Diego, California since its inception in 1982. QD is the leading commercial source for automated materials characterization systems incorporating superconducting technology. These systems offer a variety of measurement capabilities and are in widespread use in the fields of physics, chemistry, biotechnology, materials science and nanotechnology.

QD instruments may be found in the world’s leading research institutions, and have become the reference standard for a variety of magnetic and physical property measurements. Quantum Design, Inc. instruments are cited in, and provide the data for, more scientific publications than any other instrument in the fields of magnetics and materials characterization. This means that each year, literally hundreds of scientific publications, advancing the science of materials, use data generated from QD instruments.

Building on its expertise in the global marketing and distribution of its own scientific instruments, QDI eventually broadened its scope to distribute quality scientific instruments from other manufacturers through an international network of wholly owned subsidiaries in every major technological center around the world. With offices in the USA, Japan, China, India, Korea, Taiwan, Singapore and Brazil, as well as thirteen European countries, QDI is strategically located in the world’s key centers for scientific research, providing local marketing, sales and technical support.

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