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OBJECT POSITION INDEPENDENT METHOD TO MEASURE THE THICKNESS OF COATINGS DEPOSITED ON CURVED OBJECTS MOVING AT HIGH RATES
OBJECT POSITION INDEPENDENT METHOD TO MEASURE THE THICKNESS OF COATINGS DEPOSITED ON CURVED OBJECTS MOVING AT HIGH RATES
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机译:独立于物体位置的方法来测量高速运动的弯曲物体上沉积的涂层的厚度
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摘要
Methods and apparatus for measuring a thickness of a coating on an moving object are provided. Light is directed toward the object at a predetermined location on the object such that a portion of the light interacts with the object. A I D and/or 2D maximum intensities for at least one wavelength channel is captured that is produced by the portion of the light interacting with the object. A measured average intensity of the wavelength channel and/or intensities and their arithmetic derivatives of multi wavelength channel geometries is converted into I D (averaged) and/or 2D thickness values. Based on these values an acceptability of the coating is evaluated and thickness calculated.
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