Measurement of metal polish quality

Details Measurement of metal polish quality Measurement of metal polish quality

2006-07-11

2006-07-11

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S559110, C250S559390

Reexamination Certificate

active

07075086

ABSTRACT:
A value of infrared energy reflected from a metallic substrate with a polished surface is determined. The value of the infrared energy reflected, or conversely absorbed, is correlated to a quality of polish. According to an aspect of the invention, one embodiment of the invention utilizes an infrared spectrometer to determine the infrared absorbance of a polished metallic substrate. An infrared beam is reflected off the metallic substrate. The infrared energy of the reflected beam is compared with a pre-determined value of infrared energy reflected off a reference polish surface.

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