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Shape-Distortion Standards for Calibrating Measurement Tools for Nominally Flat Objects

  • US 20200135519A1
  • Filed: 10/25/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/29/2018
  • Status: Active Application
First Claim
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1. A method, comprising:

  • fabricating a nominally flat object with a controlled warpage;

    making a measurement of the warpage of the nominally flat object, the measurement being traceable through a standard reference material to a fundamental unit of measurement; and

    providing the nominally flat object as a reference object for calibrating a measurement tool.

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