US PATENT SUBCLASS 385 / 132
.~.~ Channel waveguide

Current as of: June, 1999
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385 /   HD   OPTICAL WAVEGUIDES

129  DF  PLANAR OPTICAL WAVEGUIDE {1}
130  DF  .~ Thin film optical waveguide {2}
132.~.~ Channel waveguide

DEFINITION

Classification: 385/132

Channel waveguide:

(under subclass 130) Subject matter wherein the waveguide consists of a channel or depression in the deposited dielectric providing a light path therethrough.