Method of sealing a glass envelope
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 3, 2009
app pub date -
Feb 26, 2009
filing date -
Feb 28, 2008
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Abstract
A method of hermetically sealing a glass assembly comprising glass plates or substrates with a glass-based frit when there is a large difference between the coefficient of thermal expansion (CTEs) of the frit and the CTEs of the glass plates. The method comprises a rapid increase of an irradiating heat source, used to heat and soften the frit, from a non-sealing power to a sealing power over a very short distance along the frit to form an initial stabilizing seal between the substrates.
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