Color cathode ray tube
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United States of America Patent
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Mar 16, 2004
Grant Date -
Jan 2, 2003
app pub date -
Jun 11, 2002
filing date -
Jul 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a color cathode ray tube using a shadow mask capable of avoiding ruptures or cracks during press-working. The shadow mask has an apertured region having color selecting apertures, and an unapertured region which surrounds the apertured region. A skirt portion is bent from the unapertured region in the direction of the tube axis. The shadow mask has at least two inclined surfaces in a boundary portion between the unapertured region and the skirt portion.
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