Encoders for Linear Motors in the Electronics Industry

As more semiconductor machines incorporate linear motors, it is crucial to select the right position encoder. Encoders with optical scanning methods enhance the accuracy, speed stability, and thermal behavior of a direct drive.

By Dr. Jens Kummetz,
Marketing Application Development,
Dr. Johannes Heidenhain GmbH

The semiconductor industry continues to demand tighter precision and faster operating speeds from machines in order to satisfy growing demands on quality, production, and size reduction. Linear motors are becoming more important in such highly dynamic applications that use one or more feed axes. The benefits of direct drive technology are low wear, low maintenance, and more throughput.
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