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:
Apr. 17, 2012
Filed:
Jul. 01, 2009
Applicants:
Yana Qian, Sunnyvale, CA (US);
Gregory B. Olson, Evanston, IL (US);
Inventors:
Yana Qian, Sunnyvale, CA (US);
Gregory B. Olson, Evanston, IL (US);
Assignee:
Northwestern University, Evanston, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/44 (2006.01); C22C 38/46 (2006.01); C23C 8/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An advanced secondary hardening carburized Ni—Co steel achieves an improved case hardness of about 68-69 Rc together with nominal core hardness of about 50 Rc.