Getter device and inner shield for color braun tube
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United States of America Patent
Stats
-
Mar 14, 1995
Grant Date -
N/A
app pub date -
Jun 26, 1992
filing date -
Jul 2, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provided is an inner shield for a color braun tube, which enables to improve an inside vacuum state of the color braun tube by readily scattering barium (Ba) into the inner shield disposed in the color braun tube through an opening portion of the inner shield without being attached around an outside of the opening portion when barium is scattered. The inner shield for a color braun tube, has an opening portion through which barium is scattered into an inside of the inner shield disposed in the braun tube when a getter is heated by a high frquency, the opening portion being formed substantially in a shape of a bugle and projected in the getter-positioned direction, whereby barium is easily scattered into the inner shield through the opening portion without being attached around an outside of the opening portion when barium is scattered into the inner shield.
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