Rubicon Technology, Inc., an advanced materials provider, develops, manufactures, and sells monocrystalline sapphire products for optical and industrial systems. It offers optical and industrial sapphire products in various shapes and sizes, including round and rectangular windows and blanks, 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. The company s product lines include very thin, double-side polished windows as thin as 300 microns for 6 inches optical windows, and very large-area blanks and polished windows; round C-plane sapphire windows approximately 11 inches in diameter and A-plane windows approximately 18 inches in diameter with UV grade windows approximately 13.5 inches in diameter; and sapphire window blanks at 18 x 36 x 1 inches dimensions. The company markets and sells its products through its direct sales force in Asia, Australia, North America, and Europe. Its principal customers include semiconductor device manufacturers and wafer polishing companies. Rubicon Technology, Inc. was incorporated in 2001 and is headquartered in Bensenville, Illinois.