Microscopy focus device. (New Products).

Semiconductor International, April, 2003

P-721 CLQ PIFOC Nano-Focus device is for applications such as scanning microscopy, cell tracking and surface profiling. Offering sub-nanometer resolution and stability, the unit can be mounted between the turret and objective of any microscope for fast, accurate focus control. Equipped with direct-measuring, two-plate capacitive position sensors, it measures the position of the moving part rather than the strain of the flexures or actuator. The device features long-base, frictionless, FEA-modeled flexures for exceptional guiding precision. Its QuickLock system allows the unit to be mounted to the turret in a matter of seconds. A variety of thread inserts are available to adapt the units to any microscope or objective. Polytec P1 Inc., NanoPositioning Group, Auburn,...

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