US PATENT SUBCLASS 359 / 580
.~ Produced by coating or lamina

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

577  DF  LIGHT INTERFERENCE {2}
580.~ Produced by coating or lamina {7}
581  DF  .~.~> By transmissive coating on lens
582  DF  .~.~> Layer having specified nonoptical property
583  DF  .~.~> Beam splitter or combiner
584  DF  .~.~> Reflector
585  DF  .~.~> Including metal or conductive layer
586  DF  .~.~> Layers having specified index of refraction {2}
589  DF  .~.~> Selective wavelength transmission or reflection {1}

DEFINITION

Classification: 359/580

Produced by coating or lamina:

(under subclass 577) Subject matter wherein the light interference occurs by applying multiple light beams to either (1) a structure comprising a base material impregnated by causing a coating material to extend or penetrate into the material or into the interstices of a porous, cellular or foraminous material or (2) a product consisting of multiple layers of material.

SEE OR SEARCH CLASS

427, Coating Processes,

162+, for coating processes, per se, wherein the product is an optical element.