Method for transfer printing of TV shadow mask resist

An offset printing process is utilized for printing an acid resist ink onto both sides of a TV aperture mask. Printing is accomplished after the mask has been formed into an approximate spherical or cylindrical shape, and after a peripheral frame has been attached thereto. The resist ink employed is...

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Hauptverfasser: VANDEWOESTINE, ROBERT V, JOHNSON, RONALD E, BLANDING, WENDELL S
Format: Patent
Sprache:eng
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Zusammenfassung:An offset printing process is utilized for printing an acid resist ink onto both sides of a TV aperture mask. Printing is accomplished after the mask has been formed into an approximate spherical or cylindrical shape, and after a peripheral frame has been attached thereto. The resist ink employed is a pressure-sensitive hot-melt composition which forms an acid resistant film when deposited on the mask.