About Seki Diamond Systems
The world's premier provider of CVD diamond reactors
The broadest, most advanced selection
Seki Diamond Systems is the leading provider of CVD diamond reactors — offering the industry’s broadest selection of Microwave Plasma CVD Systems, Hot-Filament CVD Systems, and Low Temperature CVD Systems. Hundreds of these systems have been delivered worldwide. We are proud to serve a large global network of leading diamond technology scientists and engineers who employ our systems for advanced research and commercial production in many fields, from semiconductor manufacturing to communications, from defense electronics to test and measurement and more.

In addition to our own Seki Diamond microwave plasma CVD equipment we also sell hot filament diamond synthesis systems from Blue Wave Semiconductors and NeoCoat, as well as low temperature CVD reactors from W&L Coating Systems. We also provide a wide array of single crystal diamond products from Excellent Diamond Products (EDP) for numerous research and tool applications.

Sales, service, support and more…
Not only do we supply leading-edge CVD diamond reactors to our customers, we also provide comprehensive customer support, systems integration and after-sale service. We offer many technical strengths, including…
R&D and demo facilitiesQC and acceptance testing
Installation, maintenance and repair
Process and applications supportTechnical consultation


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