US PATENT SUBCLASS 372 / 68
.~ Plural active media or active media having plural dopants


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

39  DF  PARTICULAR ACTIVE MEDIA {7}
68.~ Plural active media or active media having plural dopants


DEFINITION

Classification: 372/68

Plural active media or active media having plural dopants:

(under subclass 39) Subject matter where the active media exists as two or more separate and distinct bodies or as a single body doped with ions of two or more different chemical elements.