US PATENT SUBCLASS 359 / 323
.~.~.~ PLZT material

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

237  DF  OPTICAL MODULATOR {3}
321  DF  .~ Having particular chemical composition or structure {2}
322  DF  .~.~ Electro-optic crystal material {1}
323.~.~.~ PLZT material

DEFINITION

Classification: 359/323

PLZT material:

(under subclass 322) Subject matter wherein the material is a transparent lead-lanthanum zir- conate titanate ceramic with optical qualities that can be controlled by applying voltages to thin plates of the material.