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. 02, 2018
Filed:
Dec. 08, 2014
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Takeshi Nakayama, Tokyo, JP;
Masanari Koguchi, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/62 (2006.01); G01N 33/20 (2006.01); G01N 1/44 (2006.01); G01Q 10/00 (2010.01); H01J 37/285 (2006.01);
U.S. Cl.
CPC ...
G01N 27/62 (2013.01); G01N 1/44 (2013.01); G01N 33/20 (2013.01); G01Q 10/00 (2013.01); H01J 37/285 (2013.01);
Abstract
Areas having different isotopic ratios are artificially introduced into a metal material before sintering, a heat treatment, or grain boundary diffusion, and atom probe analysis results before and after sintering, a heat treatment, or grain boundary diffusion are compared to evaluate a change in isotopic distribution over time.