Optics: measuring and testing – Of light reflection – With diffusion
Patent
1998-03-10
2000-08-29
Font, Frank G.
Optics: measuring and testing
Of light reflection
With diffusion
356445, G01B 902
Patent
active
06111653&
ABSTRACT:
The translucency of a material is determined by illuminating the material and detecting the intensity of radiation leaving the material as a function of distance from the radiation source. The resulting measurements may be used to determine a "translucency gradient" for the material. In the case of materials in sheet form or having a defined thickness, the translucency can be measured in transmission mode or back scattering mode to measure "through translucency" or "surface translucency".
REFERENCES:
patent: 4397554 (1983-08-01), Genco et al.
patent: 4801804 (1989-01-01), Rosenthal
patent: 4884891 (1989-12-01), Borsboom
patent: 5926262 (1999-07-01), Jung et al.
Bucknell Stephen Paul
Gale Desmond Roy
Winsey Nigel John Peter
Dia-Stron Limited
Font Frank G.
Stafira Michael P
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