Application of electrically-charged light-absorbing particles to

Details Application of electrically-charged light-absorbing particles to Application of electrically-charged light-absorbing particles to

1986-12-05

1988-02-16

Page, Thurman K.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

350126, 350127, 350128, 350129, 430 42, 430 97, B05D 302

Patent

active

047254483

ABSTRACT:
A method for selectively applying light-absorbing particles to a lenticular, light-transmissive screen, such as a projection television screen. The particles are charged and are selectively deposited in grooves between lenticules of the screen by electrically charging the lenticule peaks to the same polarity, to effect repulsion, and then depositing the particles onto the screen. The particles consist essentially of a material having a substantially higher microwave absorption coefficient than the screen material and have heat-fusible outer surfaces. After deposition, the particles are selectively heated by generally-applied microwave radiation, until they fuse to each other and to the screen.

REFERENCES:
patent: 4573764 (1986-04-01), Bradly
patent: 4605283 (1986-08-01), Stanton

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