4. Optics: measuring and testing
  5. Inspection of flaws or impurities

John Patrick Hagen

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Apparatus and method for reclaiming a disk substrate for use...

Abrading – Abrading process – Utilizing fluent abradant
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Device and method for inspecting a disk for physical defects

Optics: measuring and testing – Inspection of flaws or impurities
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Lapping plate topography system

Data processing: measuring – calibrating – or testing – Measurement system – Dimensional determination
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Profile ID: LFUS-PAI-P-2448256

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