Method of enhancing measurement of stress in glass
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United States of America Patent
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Sep 1, 2009
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N/A
app pub date -
Mar 30, 2007
filing date -
Apr 5, 2006
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Abstract
A detection system for measuring glass that has been placed under strain and the resulting stress lines in the glass has a light source of individual elements configured to create a light distribution. The light distribution has a discontinuity which enhances the viewing of a photoelastic effect in the glass. The light source creates a viewable optical interference (i.e., color changes) which results from stress lines in the glass.
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