Method of fabricating a phosphor screen of a color television pi

Details Method of fabricating a phosphor screen of a color television pi Method of fabricating a phosphor screen of a color television pi

1977-12-28

1980-06-24

Lawrence, Evan K.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

101 35, 101150, 101154, 101170, 118211, 427286, 427287, 427288, B05D 512, B05D 140

Patent

active

042095514

ABSTRACT:
A method for manufacturing a phosphor screen for a color picture tube is disclosed which comprises the steps of transferring an ink pattern contained on an intaglio having a surface comprising ink receiving portions with a depth of 10.mu. or more, said ink containing 15 to 90% by volume of phosphor powder, by rotatably moving at a first speed a transcriber having a cylindrical surface covered with a layer of a soft material along the surface of the intaglio in order to apply the ink pattern onto the cylindrical surface of the transcriber and transcribing said ink pattern from said transcriber onto an object to be printed for a color picture tube by rotatably moving the transcriber at a second higher speed along the surface of said object.

REFERENCES:
patent: 2854348 (1958-09-01), Bowerman
patent: 3255695 (1966-06-01), Johnson et al.
patent: 3554836 (1971-01-01), Steindorf
patent: 3701317 (1972-10-01), Miyamoto et al.
patent: 3910806 (1975-10-01), Schwartz

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