KLA-Tencor Corporation is a global capital equipment company based in Milpitas, California. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing. KLA-Tencor’s products and services are used by the vast majority of bare wafer, IC, reticle and disk manufacturers around the world. These customers rely on KLA-Tencor’s inline unpatterned and patterned wafer defect monitoring, review and classification; reticle defect inspection and metrology; packaging and interconnect inspection; critical dimension (CD) metrology; pattern overlay metrology; film thickness, surface topography and composition measurements; measurement of in-chamber process conditions; wafer shape and stress metrology; computational lithography tools; and, overall yield and fab-wide data management and analysis systems. KT Services is the company’s global service network that maintains the productivity and performance of the extensive installed base of KLA-Tencor tools. In 2000 the company formally established the KLA-Tencor Foundation, its philanthropic arm. KLA-Tencor Foundation supports and benefits the global communities in which KLA-Tencor employees live and work.