Color picture tube having a mask of a first material connected t

Details Color picture tube having a mask of a first material connected t Color picture tube having a mask of a first material connected t

1998-01-30

2000-03-28

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, 313404, H01J 2980

Patent

active

060435976

ABSTRACT:
A color picture tube having a mask-frame combination which consists of a rectangular frame of a first material and of a mask of a second material, wherein the mask is connected to the frame by a plurality of welding spots, and notches and decoupling slots whose dimensions have a specific ratio with one another are provided at both sides of welding spots at the shorter sides.

REFERENCES:
patent: 3855493 (1974-12-01), Snook et al.
patent: 5576595 (1996-11-01), Inou

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