N° 730
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Fiber density control of fiber sheets
The density of fiber sheets should be controlled.
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N° 450
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Reflected light color control of coatings on glass plates
The coating of glass plates should be color controlled in the reflected light mode.
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N° 435
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Thickness control of a thin layer on a transparent plastic film
The thickness of a thin layer on a transparent plastic film should be measured. To measure the transmission with a through beam system seems to be an adequate method to determine the thickness of a thin layer.
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N° 434
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Haze control of semi transparent plastic plates
Semi transparent plastic plates should be controlled with a view to the opacity.
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N° 366
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Color control of flat glass
The color of flat glass should be controlled in the transmitted-light mode.
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