Mask-frame assembly for cathode ray tube
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United States of America Patent
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-
Feb 11, 2003
Grant Date -
Jan 2, 2003
app pub date -
Sep 21, 1999
filing date -
Mar 29, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mask-frame assembly for a cathode ray tube includes a mask frame having a front portion and a side portion perpendicularly extending from the edge of the front portion and having notches, and a shadow mask having a front screen portion and a skirt portion welded to non-notched parts of the side portion of the mask frame. A portion of the skirt portion is not welded to the mask frame but exposed outside the mask frame so as to improve a thermal exchange.
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