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.:

US 8574991 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Mar. 12, 2012
Applicants:

Jan Hoentschel, Dresden, DE;

Uwe Griebenow, Markkleeberg, DE;

Maciej Wiatr, Dresden, DE;

Inventors:

Jan Hoentschel, Dresden, DE;

Uwe Griebenow, Markkleeberg, DE;

Maciej Wiatr, Dresden, DE;

Assignee:

GLOBALFOUNDRIES Inc., Grand Cayman, KY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/336 (2006.01);
U.S. Cl.
CPC ...
Abstract

An asymmetric transistor configuration is disclosed in which asymmetric extension regions and/or halo regions may be combined with an asymmetric spacer structure which may be used to further adjust the overall dopant profile of the asymmetric transistor.


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