Optics: measuring and testing – For size of particles – By particle light scattering
Reexamination Certificate
2007-07-24
2007-07-24
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
For size of particles
By particle light scattering
C356S410000, C356S417000
Reexamination Certificate
active
10949190
ABSTRACT:
A laser diffraction particle size analyzer irradiates a laser beam on particles in a scattered state, and measures a spatial intensity distribution of diffracted and scattered light from the particles. A particle size distribution of the particles is calculated from a result of the measurement. The laser diffraction particle size analyzer includes a laser device for generating an ultraviolet laser beam as a light source for generating a laser beam, and a fluorescent member closely attached to or disposed adjacent to a detecting surface of a photodiode array that measures the spatial intensity distribution of the diffracted and scattered light upon incidence thereof.
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Kanesaka Manabu
Shimadzu Corporation
Toatley , Jr. Gregory J.
Underwood Jarreas
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