Great Lakes Crystal Technologies

Great Lakes Crystal Technologies (GLCT) is a U.S.-based manufacturer specializing in high-quality single-crystal diamond plates, substrates, and epitaxial wafers. The company utilizes proprietary chemical vapor deposition (CVD) reactor designs and growth processes rooted in over 30 years of research at Michigan State University. By engineering diamond materials with specific performance characteristics, GLCT provides solutions that manage heat effectively, offer exceptional stability in extreme conditions, and support advanced semiconductor applications where traditional materials reach their limits.

These diamond-based materials are critical for performance-driven sectors, including quantum sensing, high-power electronics, AI chip packaging, aerospace, and nuclear systems. By enabling the integration of diamond into demanding electronic architectures, the company addresses significant thermal and operational barriers. GLCT’s technology supports innovation in areas such as GPS-free navigation via magnetometry and high-performance power grid infrastructure, providing the high-purity substrates required for next-generation quantum and semiconductor technologies.