Glass-ceramics and method for manufacturing the same
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United States of America Patent
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May 17, 2011
Grant Date -
Feb 12, 2009
app pub date -
Jan 26, 2006
filing date -
Jan 31, 2005
priority date (Note) -
Expired
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Abstract
/° C. or below within a temperature range of 0° C. to 50° C. These glass-ceramics are manufactured by a step of melting glass raw materials, a step of forming the molten glass, a step of annealing the formed glass, a first heat treating step for heat treating the annealed glass at a temperature of 650-750° C. for 0.1 hour to 200 hours, and a second heat treating step for heat treating the glass at a temperature of 800-1000° C. for 0.1 hour to 50 hours.
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