Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems. It operates in Sapphire and Pharmacy segments. The company offers optical and industrial sapphire products in various shapes and sizes, including round and rectangular windows and wafers, domes, tubes, and rods for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical, and laser applications. It also provides medications and vitamins to patients being discharged from skilled nursing facilities. The company markets and sells its products through its direct sales force in North America, Europe, and Asia. Its principal customers include defense subcontractors, industrial manufacturers, fabricators, and resellers. The company was incorporated in 2001 and is headquartered in Bensenville, Illinois.