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:
Oct. 06, 2009
Filed:
Mar. 15, 2007
Applicants:
Pushkar Ranade, Hillsboro, OR (US);
Keith E. Zawadzki, Portland, OR (US);
Inventors:
Pushkar Ranade, Hillsboro, OR (US);
Keith E. Zawadzki, Portland, OR (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/336 (2006.01);
U.S. Cl.
CPC ...
Abstract
A CMOS device having dual-epi channels comprises a first epitaxial region formed on a substrate, a PMOS device formed on the first epitaxial region, a second epitaxial region formed on the substrate, wherein the second epitaxial region is formed from a different material than the first epitaxial region, an NMOS device formed on the second epitaxial region, and electrical contacts coupled to the PMOS and NMOS devices, wherein the electrical contacts are self-aligned.