Coating processes – Electrical product produced – Fluorescent or phosphorescent base coating
Patent
1996-02-08
1998-03-03
Utech, Benjamin
Coating processes
Electrical product produced
Fluorescent or phosphorescent base coating
427 68, 427 74, 313402, 445 47, B05D 512, H01J 912
Patent
active
057231699
ABSTRACT:
Disclosed is a method for making a shadow mask for a color picture tube, including the steps of: forming a pattern, corresponding to apertures of the shadow mask, on a screen mesh fixed to a frame; applying metal paste on the screen mesh having the pattern; disposing a flat AK steel shadow mask under the screen mesh; printing a metal layer on a face of the flat AK steel shadow mask by squeezing the metal paste on the screen mesh with a constant pressure along a direction; and pressing the flat shadow mask to form a skirt portion and a bead portion of the shadow mask.
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Han Dong-hee
Kim Jae-Myung
Rho Hwan-Chul
Samsung Display Devices Co. Ltd.
Talbot Brian K.
Utech Benjamin
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