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:
Dec. 11, 2012
Filed:
Jun. 13, 2008
Applicants:
Weidong Huang, Acton, MA (US);
David Harvey, Westford, MA (US);
Scott Reitsma, Shrewsbury, MA (US);
Inventors:
Assignee:
Evergreen Solar, Inc, Marlborough, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30C 15/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ribbon crystal pulling furnace has an interior for enclosing at least a portion of one or more ribbon crystals, and an afterheater positioned within the interior. The afterheater has at least one wall with one or more openings that facilitate control of the temperature profile within the furnace.