Floating Steel Encoder Scales for SMT

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Floating Steel Encoder Scales for SMT

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Position encoders with linear scales have wide-ranging applications in front-end and back-end semiconductor manufacturing processes. This application note discusses surface mount technology (SMT) applications and presents an example of where linear steel scale (installed to be thermally independent of its mounting substrate) may be preferable to the currently widely used, but expensive, near-zero thermal expansion scales.

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