Methods for applying phosphors particularly adapted for intaglia

Details Methods for applying phosphors particularly adapted for intaglia Methods for applying phosphors particularly adapted for intaglia

1979-06-13

1981-04-28

Lawrence, Evan K.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156663, 313372, 313475, 427 71, 427 72, C03C 2506

Patent

active

042644089

ABSTRACT:
A method is described for applying dry phosphor particles on a substrate, such as an intagliated array of fiber optic rods, each etched to form a pit in the surface. In this technique a thin layer of a heated thermoplastic is formed on the surface of the substrate to uniformly coat the etched pits and receive the phosphor particles. The plastic film is heated to receive the particles which are deposited upon the plastic layer. The particles become embedded in the plastic. The plastic layer is removed and the screen is then secured with a binder to fix the particles within the etch pits or cells of the intagliated array.

REFERENCES:
patent: 2828216 (1958-03-01), Delrieu
patent: 3139340 (1964-06-01), Hays et al.
patent: 3701658 (1972-10-01), Clark
patent: 4025662 (1977-05-01), Sumner

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