Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Patent
1989-10-23
1992-02-25
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With raman type light scattering
G01J 344
Patent
active
050908065
ABSTRACT:
A method and apparatus (66, 72, 74) is disclosed which allows for the measurement of a concentration of hopeite and phosphophyllite contained within a zinc phosphate coating material (64). Specifically, the method employs Raman spectroscopy and measures the aforementioned concentration in an on-line and non-contact manner.
REFERENCES:
patent: 4620284 (1986-10-01), Schnell et al.
Denson-Low Wanda K.
Evans F. L.
Hantis K. P.
Hughes Aircraft Company
Sales Michael W.
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