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:
Aug. 15, 2017
Filed:
Jun. 26, 2014
Applicant:
Globalfoundries Inc., Grand Cayman, KY;
Inventors:
Hui Zang, Guilderland, NY (US);
Bingwu Liu, Ballston Spa, NY (US);
Assignee:
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8234 (2006.01); H01L 27/088 (2006.01); H01L 29/66 (2006.01); H01L 29/06 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0886 (2013.01); H01L 29/6656 (2013.01); H01L 29/6681 (2013.01); H01L 21/823431 (2013.01);
Abstract
A starting non-planar semiconductor structure is provided having a semiconductor substrate, raised semiconductor structures coupled to the substrate, and a layer of isolation material(s) surrounding the raised structures. The isolation layer is recessed to expose about 40 nm to about 70 nm of the raised structures. The increased height of the exposed raised structures, compared to conventional, allows for a taller gate and taller spacers, which reduces undercut under the spacers and short-channel effects from the loss of isolation material in fabrication.