Selective application of light-absorbing particles to a lenticul

Details Selective application of light-absorbing particles to a lenticul Selective application of light-absorbing particles to a lenticul

1986-12-05

1987-10-20

Wintercorn, Richard A.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

350128, 427 451, 427163, 427180, 427356, G03B 2160, B05D 506

Patent

active

047010193

ABSTRACT:
Light-absorbing particles are selectively applied to a lenticular light-transmissive screen, such as a projection television screen. The particles are selectively deposited in grooves between lenticules of the screen by filling the grooves to a predetermined depth with a slurry comprising a mixture of a volatile liquid and the light-absorbing particles. Microwave radiation is applied to the screen with the deposited particles, to effect evaporation of any unevaporated liquid and fusing of the particles to each other and to the screen.

REFERENCES:
patent: 4468092 (1984-08-01), Inoue et al.
patent: 4573764 (1986-03-01), Bradley
patent: 4660930 (1987-04-01), van der Hoorn et al.

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