Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Charlene Marie Smith0
Nicholas Francis Borrelli0
Kathryn L Goetschius0
David Lathrop Morse0
Date of Patent
November 9, 2010
0Patent Application Number
118979050
Date Filed
August 31, 2007
0Patent Primary Examiner
Patent abstract
The present invention describes a composition, method and article for a photomachinable glass having a coefficient of thermal expansion from less than 6×10−6/° C. in the temperature range of 0° C. to 300° C. The photomachinable glass composition is a low expansion glass having an amorphous glass phase and crystalline phases selected from the group consisting of spudomene and lithium disilicate.
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