US PATENT SUBCLASS 349 / 31
.~ Electron beam excitation

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349 /   HD   LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS

19  DF  PARTICULAR EXCITATION OF LIQUID CRYSTAL {6}
31.~ Electron beam excitation

DEFINITION

Classification: 349/31

Electron beam excitation:

(under subclass 19) Subject matter wherein an optical property of the liquid crystal material is changed by the application of a ray of electrons.

(1) Note. Included here are apparatus having an electron gun or field emission device.