C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/121, 313/35.1
C09K 11/02 (2006.01) H01J 9/22 (2006.01) H01J 29/20 (2006.01)
Patent
CA 2003752
The method of surface-treating dry-powdered phosphor particles for use in manufacturing a luminescent viewing screen for a CRT, to control the triboelectric charge characteristics of the phosphor particles, includes the steps of dissolving a suitable quantity of a polymeric coupling agent in a suitable solvent to form a mixture,surface-treating the phosphor particles by adding them to the mixture to provide a coating of the the coupling agent thereon, and then drying the surface-treated phosphor particles. The resultant dry-powdered surface-treated phosphor particles are used to make screen. The coupling agent controls the triboelectric charge characteristics of the phosphor particles during the electrophotographic manufacturing of the screen.
Datta Pabitra
Friel Ronald Norman
Thompson Robert Paul
Craig Wilson And Company
Rca Licensing Corporation
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