US PATENT SUBCLASS 372 / 67
.~.~ Disc-shaped

Current as of: June, 1999
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372 /   HD   COHERENT LIGHT GENERATORS

39  DF  PARTICULAR ACTIVE MEDIA {7}
66  DF  .~ Active media with particular shape {1}
67.~.~ Disc-shaped

DEFINITION

Classification: 372/67

Disc-shaped active media:

(under subclass 66) Subject matter where the active media has a cross sectional dimension which is substantially greater than its thickness.