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:
Sep. 02, 2014
Filed:
Mar. 22, 2011
Ning Duanmu, Nashua, NH (US);
Dean C. Skelton, Fitzwilliam, NH (US);
Menahem Lowy, Merrimack, NH (US);
Dzung Duc Nguyen, Nashua, NH (US);
Ning Duanmu, Nashua, NH (US);
Dean C. Skelton, Fitzwilliam, NH (US);
Menahem Lowy, Merrimack, NH (US);
Dzung Duc Nguyen, Nashua, NH (US);
GTAT Corporation, Merrimack, NH (US);
Abstract
A high temperature furnace comprising hot zone insulation having at least one shaped thermocouple assembly port to reduce temperature measurement variability is disclosed. The shaped thermocouple assembly port has an opening in the insulation facing the hot zone that is larger than the opening on the furnace shell side of the insulation. A method for producing a crystalline ingot in a high temperature furnace utilizing insulation having a shaped thermocouple assembly port is also disclosed.