AGC Electronics America, founded in 1997, manufactures precision semiconductor materials from its flagship facility in Hillsboro, Oregon. The company specialises in high-purity Silicon Carbide (SiC) ceramics, marketed under the ROICERAM brand, and CMP slurries including the CES-300/330F line. Both product families are produced domestically in the United States.
Beyond its own manufacturing, the firm acts as a North American supply and distribution hub for products from the broader AGC Group, including EUV mask blanks, photomask substrates, sealing materials, and advanced packaging glass solutions. These materials reach semiconductor fabrication plants worldwide.
The Hillsboro facility is ISO 9001:2015 certified, reflecting adherence to international quality management standards. With over 25 years of operational experience, the company maintains technical expertise in ceramics processing, slurry formulation, and quality assurance systems.





