Rubicon Technology, Inc. (NASDAQ:RBCN), a leading provider of sapphire substrates and products to the LED, RFIC, Semiconductor, and Optical industries, announced that the company has completed a company-wide installation of enhancements to its proprietary crystal growth furnaces bringing all furnaces up to Rubicon Furnace Version ES2-XLG3.0. This is the latest version of the company’s proprietary furnace design for the production of high quality, large diameter sapphire material and provides even greater automation and yield consistency.