Overview Rubicon Technology, Inc. is a world leader in the manufacture of high quality sapphire. We are a highly successful and publicly traded company (NASDAQ symbol RBCN). Demand for Rubicon sapphire is growing rapidly and is driven by HB LED, Silicon-on-Sapphire, and other optical applications. Rubicon offers an exciting opportunity for career growth, at our Chicago area facility. Job Description This function is primarily focused on growth of sapphire and other compound single crystals. Rubicon uses a modified form of Kyropolous technique for manufacturing our superior sapphire single crystals. Relevant experience in bulk crystal growth techniques is therefore required. Duties and Responsibilities Design, maintain, and operate crystal growth equipment. Optimize crystal growth process for quality, yield, and throughput improvement. Stay current with industry trends and technology. Knowledge, Skills, and Abilities Required Graduate degree in materials science, chemistry, or physics. Ph.D. a strong plus. Hands on experience in bulk crystal growth techniques. Hands on experience in growth apparatus design and construction. Familiar with metrology tools – XRD, optical interferometry, AFM, SIMS Knowledge of statistical methods for process characterization. Provide consultation to other departments and customers, as needed Reporting Relationships Reports to: Sunil B. Phatak, Ph.D. Director, Product Development Contact Please email resume to: sphatak@rubicon-es2.com

Posted April 18, 2008