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:
Feb. 26, 2019
Filed:
May. 10, 2016
Applicant:
Northwestern University, Evanston, IL (US);
Inventors:
Matthew Grayson, Evanston, IL (US);
Wang Zhou, Evanston, IL (US);
Assignee:
Northwestern University, Evanston, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2014.01);
U.S. Cl.
CPC ...
G01R 31/2648 (2013.01);
Abstract
A system and a method determine a quality of a doped semiconductor layer in terms of a charge carrier density gradient by measuring two magnetic-field-dependent resistances using four contacts of a specimen.