Application of insulation to grid frame of vacuum...

Details Application of insulation to grid frame of vacuum... Application of insulation to grid frame of vacuum...

H - Electricity

01

J

315/19, 313/82

H01J 19/38 (2006.01) H01J 9/02 (2006.01) H01J 31/15 (2006.01)

Patent

CA 1150758

ABSTRACT OF THE DISCLOSURE The invention relates to vacuum fluorescent devices having a grid element positioned between the filament and fluorescent anodes of the device. An insulating material on a portion of the grid is effective to reduce grid current and to enable achievement of greater brightness of fluorescence from the fluorescent anodes.

370595

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