US PATENT SUBCLASS 359 / 577
LIGHT INTERFERENCE

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

577LIGHT INTERFERENCE {2}
578  DF  .~> Electrically or mechanically variable (e.g., tunable, adjustable) {1}
580  DF  .~> Produced by coating or lamina {7}

DEFINITION

Classification: 359/577

LIGHT INTERFERENCE:

(under the class definition) Subject matter wherein two light waves, as a result of their relative phases, interact to produce a cancellation or reinforcement of wave energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

370+, for interference microscopes.

498, for such subject matter where the light is polarized.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

345+, for optical test devices whch utilize light interference.