Rubicon Technology, Inc. (Rubicon) is an electronic materials provider specializing in monocrystalline sapphire for applications in light-emitting diodes (LEDs), optical systems and specialty electronic devices. The Company is an integrated manufacturer of sapphire substrates and optical windows that are used in a variety of high-growth, high-volume end-market applications. The Company’s ES2 crystal growth technique produces sapphire crystals for use in sapphire products. ES2 is derived from the standard Kyropoulos method of crystal growth. The Company’s research and development is focused on three areas: large area sapphire growth and fabrication, higher precision sapphire processing and cost-effective optical components for mobile devices. The Company’s subsidiaries include: Rubicon Worldwide LLC and Rubicon Sapphire Technology (Malaysia) SDN BHD.