Color cathode ray tube panel having seal edge corner with a specific curvature
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United States of America Patent
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Jul 5, 2005
Grant Date -
Aug 14, 2003
app pub date -
Feb 14, 2003
filing date -
Feb 14, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A color cathode ray tube is capable of reducing a rate of cracks in a furnace and improving the productivity of the CRT by improving a structure of a seal edge of a skirt of a panel. A color cathode ray tube according to the present invention includes a rectangular panel having a substantially vertically extending skirt on inner and outer surfaces of the panel and a funnel coupled to a seal edge of the skirt of the panel. The seal edge of the skirt of the panel has a corner having a specific curvature between a seal surface and a side of the skirt, and the following relationship is satisfied: 0.6 mm
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