Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
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
Fichtler Heiko
Fischer Stefan
Reidinger Rolf
Wolfram Werner
Matsushita Electronics (Europe) GmbH
Patel Nimeshkumar D.
Williams Joseph
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