Optical Glass Metrology â Techniques / Limitations - Owens Design
Optical Glass Metrology â Techniques / Limitations - Owens Design
Optical Glass Metrology â Techniques / Limitations - Owens Design
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<strong>Glass</strong> Thickness Measurement<br />
with one OD-Precision Sensorhead<br />
Photos of the light distribution Monitor: <strong>Glass</strong>plate with distance to the background :<br />
OK<br />
•Sharp two Peaks of the<br />
glassplate visible<br />
•Third peak of the background<br />
visible<br />
•Two red lines to measure the<br />
distance inbetween (first two<br />
from the left)<br />
•Peaks clearly over the blue<br />
threshold line<br />
NOK<br />
•Sharp two Peaks of the glassplate visible<br />
•Third peak of the background visible<br />
•Only one red line of the backside edge of<br />
the glassNo thickness measurement<br />
possible because first edge is out of range<br />
•Peaks clearly over the blue threshold line<br />
: SICK AG: : BU02 side session: high end displacement : Name (Date) 9
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