The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2010
Filed:
Dec. 09, 2009
Christine Richardson, Northborough, MA (US);
Weidong Huang, Acton, MA (US);
Richard Wallace, Acton, MA (US);
Daniel Doble, Brookline, MA (US);
Scott Reitsma, Shrewsbury, MA (US);
Christine Richardson, Northborough, MA (US);
Weidong Huang, Acton, MA (US);
Richard Wallace, Acton, MA (US);
Daniel Doble, Brookline, MA (US);
Scott Reitsma, Shrewsbury, MA (US);
Evergreen Solar, Inc., Marlborough, MA (US);
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.