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. 16, 2021
Filed:
Sep. 03, 2019
Rigaku Corporation, Tokyo, JP;
Yoshiyuki Kataoka, Takatsuki, JP;
Kosuke Kawakyu, Takatsuki, JP;
Rigaku Corporation, Akishima, JP;
Abstract
An X-ray fluorescence analysis method according to an FP method uses a predefined theoretical intensity formula in a standard sample theoretical intensity calculation step for obtaining a sensitivity constant and in an unknown sample theoretical intensity calculation step during iterative calculation. In the formula, only in an absorption term relating to absorption of X-rays, a mass fraction of each component is normalized so that a sum of the mass fractions of all components becomes 1.
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