Austin Richards, Flir Systems, Indigo OperationsJon Lesniak, Stress PhotonicsGavin Horn, University of IllinoisSilicon wafers are the fundamental building blocks of the microelectronics industry. The size of those used in fabricating integrated circuits has steadily increased because larger wafers yield more parts per processing step. As wafers grow to 300 mm in diameter and beyond, they become increasingly fragile and prone to stress buildup during manufacture. Residual stress accumulates during the growth, sawing, lapping/grinding, etching and polishing operations before the wafer has even begun the processing stages necessary for integrated circuit manufacture. Cracks may be generated...Read full articleRelated content from Photonics MediaArticlesTerahertz Radiation Boosts Quality Control from Aerospace to PharmaContact-free thickness measurements are increasingly important in industrial process monitoring and quality control. 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Infrared detectors convert the infrared radiation into an...Photodiode DetectorsKrF LasersMicromachining SystemsCompaniesOZ Optics LimitedEstablished in 1985, OZ Optics is a leading worldwide supplier of fiber optic components, test equipment and sensors. OZ Optics manufactures its products in three locations, Ottawa (Canada),...Photonics Buyers' GuideHenan UM Optics Ltd. (Umoptics)Henan UM Optics Technology Co. Ltd. (Umoptics) is a high-tech enterprise integrating material growth, component processing, coating, and devices. The company employs more than 400 people and has a...Photonics Buyers' GuideBaumer Ltd.Baumer Group is a manufacturer of sensors, encoders, measuring instruments, and components for automated image processing. Baumer combines innovative technologies and customer-oriented service into...Photonics Buyers' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. 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