US PATENT SUBCLASS 356 / 324
.~.~.~ With plural dispersion

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

300  DF  BY DISPERSED LIGHT SPECTROSCOPY {10}
319  DF  .~ Utilizing a spectrophotometer (i.e., plural beam) {3}
323  DF  .~.~ Having beam modulation {2}
324.~.~.~ With plural dispersion

DEFINITION

Classification: 356/324

With plural dispersion:

(under subclass 323) Subject matter which includes dispersing means and wherein the dispersion takes place in at least two distinct stages, in series.