Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 29, 2008
Patent Application Number
11026370
Date Filed
December 30, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A family of glasses from the SiO2—Al2O3—P2O5 ternary system exhibiting high strain point, transparency, and low coefficient of thermal expansion. The glasses have the following composition, expressed in mol percent and calculated from the glass batch on an oxide basis: 55-80 SiO2, 12-30 Al2O3, and 2-15 P2O5.
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