Rubicon Technology Inc. is a specialized provider of advanced materials, focusing on the production and supply of monocrystalline sapphire products. The company’s primary function is to manufacture high-purity sapphire materials in various forms, such as sheets, rods, tubes, cores, ingots, and prisms. These products are integral to a wide array of applications within the optical and industrial sectors, serving critical roles in defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronics, medical devices, and laser systems. Rubicon Technology Inc. operates globally, serving customers across North America, Asia, and other international markets. Incorporated in 2001 and headquartered in Bensenville, Illinois, the company plays a key role in supplying advanced sapphire solutions to defense subcontractors, industrial manufacturers, fabricators, and resellers, supporting innovation and reliability in industries where material performance is crucial.