Cathode-ray tube and flat electrode of electronic gun and production method
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United States of America Patent
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-
Mar 25, 2003
Grant Date -
Apr 25, 2002
app pub date -
Mar 30, 2001
filing date -
Jun 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cathode-ray tube includes a plate having a first hole on a first surface of the plate and a second hole on a second surface of the plate. The first and second holes coupled together to allow electron beams to pass therethrough. The plate is a unitary structure. The first hole is formed by initiating a first hole formation from the first surface, and the second hole is formed by initiating a second hole formation from the second surface. The first surface is on an opposing side of the second surface.
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