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:
Jan. 27, 2009
Filed:
Aug. 22, 2003
Applicants:
Alexandre Ellison, Linköping, SE;
Björn Magnusson, Linköping, SE;
Asko Vehanen, Esbo, FI;
Dietrich Stephani, Bubenreuth, DE;
Heinz Mitlehner, Uttenreuth, DE;
Peter Friedrichs, Nürnberg, DE;
Inventors:
Alexandre Ellison, Linköping, SE;
Björn Magnusson, Linköping, SE;
Asko Vehanen, Esbo, FI;
Dietrich Stephani, Bubenreuth, DE;
Heinz Mitlehner, Uttenreuth, DE;
Peter Friedrichs, Nürnberg, DE;
Assignees:
Norstel AB, Norrköping, SE;
SiCED Electronics Development GmbH & Co. KG, Erlangen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 18/00 (2006.01); C30B 23/00 (2006.01); H01L 31/0312 (2006.01); H01L 29/00 (2006.01); H01L 29/30 (2006.01); H01L 29/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A uniform silicon carbide single crystal with either an n-type or a p-type conductivity. The crystal has a net carrier concentration less than 10cmand a carrier lifetime of at least 50 ns at room temperature.