Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Doble0
Weidong Huang0
Scott Reitsma0
Christine Richardson0
Richard Wallace0
Date of Patent
November 30, 2010
0Patent Application Number
126339510
Date Filed
December 9, 2009
0Patent Primary Examiner
Patent abstract
A string for use in a string ribbon crystal has a base portion with a refractory material, and an externally exposed layer radially outward of the refractory material. The base portion has a coefficient of thermal expansion that is generally matched with the coefficient of thermal expansion for silicon. The externally exposed layer has a contact angle with silicon of between about 15 and 120 degrees.
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