Color cathode ray tube and method of manufacturing thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 3, 2004
Grant Date -
Oct 10, 2002
app pub date -
Jan 8, 2002
filing date -
Jan 30, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cathode ray tube includes a film which is formed on an outer surface of a panel portion. The film is comprised of a first particles which become transparent due to the oxidation and a second particles which are chemically and physically stable and have the light absorbing ability and the conductivity. A number of the transparent first particles is gradually increased toward a peripheral portion from the center portion of the panel portion.
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