GSI Group Inc. (GSIG) designs, develops, manufactures and sells lasers, laser systems, precision motion devices, associated precision motion control technology and systems. The Company's customers incorporate the Company’s technology into their products or manufacturing processes, for various applications in the industrial, electronics, semiconductor, medical and aerospace markets. Its products help customers to meet extremely precise manufacturing specifications, including device complexity and miniaturization. GSIG’s business consists of two segments: Precision Technology and Semiconductor Systems. These generate approximately 60% and 40% of GSI’s revenue, respectively. In August 2008, GSIG announced that it has completed its acquisition of Excel Technology, Inc. In November 2009, the Company filed for Chapter 11 bankruptcy with the United States bankruptcy court for the District of Delaware.