US PATENT SUBCLASS 356 / 342
.~.~ Of back-scattered light

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

337  DF  BY PARTICLE LIGHT SCATTERING {1}
338  DF  .~ With photocell detection {5}
342.~.~ Of back-scattered light

DEFINITION

Classification: 356/342

Of back-scattered light:

(under subclass 338) Subject matter wherein light scattered from the incident beam is detected at an angle greater than 90 deg. to the direction of the incident beam.