Glass tube, method of manufacturing the glass tube, and method of adhering the glass tube
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United States of America Patent
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N/A
Issued Date -
Jul 13, 2006
app pub date -
Jan 14, 2004
filing date -
Jan 14, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A glass tube (1) that is used in such a manner that an end face thereof is hermetically and firmly bonded to a surface of a panel (11) of a flat display tube so as to cover a ventilation hole (12) which is formed in the panel (11), the glass tube (1) including a flange portion (4) formed by heating work of the glass tube (1) and provided on an outer periphery near the end face on a side firmly bonded to the surface of the panel (11) of the flat display tube. When the flange portion (4) is formed, a tube end portion (2) protruding ahead of the flange portion (4) is left, so that a flange portion (4) face on a side facing the surface of the panel (11) of the flat display tube allows a frit glass (6) to be placed thereon, the frit glass (6) having a height equal to an interval (an outer peripheral face of the tube end portion) between the end face of the glass tube and the flange portion (4) face, which enables stable bonding of the glass tube (1) to the surface of the panel (11) of the flat display tube.
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