Diamond Quanta and ExtenD Partner to Bring Engineered Diamond Optics to Next-Generation Devices

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SAGA, Japan & MOUNTAIN VIEW, Calif.--(BUSINESS WIRE)--Oct 15, 2025--

Diamond Quanta, Inc. (DQ) today announced it has entered into a Memorandum of Understanding (MOU) with ExtenD Co., Ltd., a spin-out from Japan’s National Institute of Advanced Industrial Science and Technology (AIST). The agreement establishes ExtenD as DQ’s strategic technical partner on HFCVD technology for Diamond Optics, adding advanced reactor modules and process know-how to DQ’s ecosystem. Together with Heller Industries, DQ’s exclusive system ODM/integrator, the collaboration defines a single toolchain to move diamond optics from lab validation to OEM production deployments and strengthen manufacturing readiness for optics applications.

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(from left) Diamond Quanta's COO Michael Pierantozzi and CEO Adam Khan with ExtenD's CTO Dr. Shinya Ohmagari and COO Keitaro Okamoto in front of the National Institute of Advanced Industrial Science and Technology (AIST) Kysushu Center (Japan)

This collaboration unites advanced reactor design and proven system integration to accelerate commercialization of engineered diamond optics across consumer, photonics, and defense markets.

“Partnering with ExtenD adds the large area HFCVD engine our diamond optics toolset needs. Their reactor stability and uniformity, combined with Heller’s system integration, give OEMs a clear path from lab breakthroughs to pilot lines and scalable deployment,” said Adam Khan, Founder & CEO, Diamond Quanta.

“Our HFCVD modules are built for factory serviceability, long unattended runs, and process uniformity, attributes that align directly with Diamond Quanta’s surface-engineering targets,” said Keitaro Okamoto, COO, ExtenD. “Working alongside Diamond Quanta and Heller Industries, we aim to make rugged, diamond-coated optics practical at scale for global OEM production.”

“A clear division of responsibilities, diamond process modules from ExtenD and system integration from Heller, gives OEM customers a coherent path from pilot to production,” said David Heller, CEO, Heller Industries.

About Diamond Quanta

Based in Mountain View, California, in the heart of Silicon Valley, Diamond Quanta creates engineered diamond materials that integrate seamlessly into today’s fabs, reducing cost and extending device life while enabling next-generation performance. Its diamond platform unlocks multi-billion-dollar opportunities across electronics, photonics, quantum, and dual-use systems and is built on a defensible IP foundation to drive scalable licensing and strategic partnerships. Diamond Quanta advances the Physics of Forever™ mission to deliver durable, high-performance solutions for the post-silicon era. Learn more at www.diamondquanta.com or contact [email protected]. Recent coverage: Power Electronics News and SemiWiki.

About ExtenD Co., Ltd.

ExtenD Co., Ltd. is a spin-out from Japan’s National Institute of Advanced Industrial Science and Technology (AIST) focused on diamond materials and scalable hot-filament CVD (HVCVD) manufacturing systems. ExtenD designs and manufactures HFCVD reactors supporting up to 12-inch substrates, offers contract processing, and develops diamond-based sensing technologies. ExtenD enables OEMs to accelerate pilot-to-production adoption of engineered diamond thin films. Learn more at www.extend-dia.co.jp.

About Heller Industries

Heller Industries, Inc. is a global provider of thermal process solutions for advanced electronics manufacturing. Learn more at www.hellerindustries.com.

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KEYWORD: CALIFORNIA UNITED STATES JAPAN NORTH AMERICA ASIA PACIFIC

INDUSTRY KEYWORD: MINING/MINERALS NATURAL RESOURCES

SOURCE: Diamond Quanta

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PUB: 10/15/2025 08:00 PM/DISC: 10/15/2025 07:59 PM

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