Optics: measuring and testing – By particle light scattering
Patent
1994-11-04
1995-08-22
Limanek, Robert P.
Optics: measuring and testing
By particle light scattering
356237, G01B 902
Patent
active
054445299
ABSTRACT:
Liquid water drops are formed around particles situated on a substrate and diffuse laser light patterns are intensified by the liquid water drops to make it possible to detect minute particles of 0.1 .mu.m and less in dimension.
REFERENCES:
patent: 4073975 (1978-02-01), Buckwalter et al.
patent: 5061068 (1991-10-01), Menon
Hardy David B.
Limanek Robert P.
Matsushita Electric - Industrial Co., Ltd.
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