CRT funnel with compliant corners and CRT envelope incorporating same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 25, 2000
Grant Date -
N/A
app pub date -
May 18, 1992
filing date -
May 18, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Accelerated thermal upshock rates in the exhaust cycle of a CRT envelope are attained for CRTs, and especially a tension mask CRT having a shadow mask-supporting rail frame affixed to a flat, skirtless front panel. The corner walls of the CRT funnel are made with thinner walls to provide an increased compliance of the normally very rigid corners of the funnel-to-panel seal area. Panel-fracturing stresses generated in the funnel-to-panel seal area corners during upshock are thus alleviated allowing for faster CRT throughput during manufacture.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- H01J Class
- 5.40 % this patent is cited more than
- 25 Age