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On-line Microscopy Provides Crucial Manufacturing Detail

David M. Berg, Melles Griot Optics

Many manufacturing processes utilize on-line microscopy. Microscopes (optical systems with magnification greater than one) align, inspect and guide robotic assembly of precision parts. Microscopes are quite different from cameras with smaller magnifications. To provide the resolution required to image fine detail, a microscope has a relatively large numerical aperture (NA). This in turn restricts the microscope's depth of field. The positive magnification also means the distance from lens to image sensor is larger than with a camera lens. Effective design of machine vision microscopes...Read full article

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    Published: March 1999
    CommunicationsFeaturesindustrialMicroscopySensors & Detectors

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