Method for measuring gloss profile

Details Method for measuring gloss profile Method for measuring gloss profile

1991-05-14

1992-09-08

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

2503591, 356446, G01N 2157

Patent

active

051460971

ABSTRACT:
This invention relates to a method for measuring a gloss profile of the surface of materials as paper, specifically coated paper, synthetic resin film, metals and the like.
This method comprises the step of applying a spot of a monochromatic ultraviolet light to the surface of sample, moving the spot on the surface of the sample, photoelectrically converting a reflected light of each spot, obtained with a same reflective angle as an incident angle, and comparing and calculating the reflectance to determine the gloss profile.

REFERENCES:
patent: 3395278 (1968-07-01), McDivitt
patent: 4124808 (1978-11-01), Bowers
patent: 4697082 (1987-09-01), Bartewen
patent: 4831264 (1989-05-01), Fujiwara
patent: 4937449 (1990-06-01), Kreuzer et al.
patent: 5066865 (1991-11-01), Wennerberg
patent: 5078496 (1992-01-01), Parker et al.

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