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:
Jun. 12, 2012
Filed:
Jul. 27, 2007
Applicants:
Olof Claes Erik Kordina, Pittsburgh, PA (US);
Shailaja Rao, Pittsburgh, PA (US);
Inventors:
Olof Claes Erik Kordina, Pittsburgh, PA (US);
Shailaja Rao, Pittsburgh, PA (US);
Assignee:
Pronomic Industry AB, , SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 23/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A crystal growth process comprising providing a reactor having a crucible with an injector apparatus and a seed holder. The injector apparatus has an inner gas conduit and an outer gas conduit wherein an inert gas is introduced into the outer conduit. The injector apparatus has an upper injector and a lower injector and a gap therebetween. The upper injector temperature is maintained at a higher temperature than the lower injector.