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. 27, 1990
Filed:
Oct. 05, 1988
Applicant:
Inventor:
Hiroaki Ishikawa, Tokyo, JP;
Assignee:
Japan Science, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
250364 ; 250328 ;
Abstract
This invention is a technique to determine radioactivity of low energy beta emitters using liquid scintillator. Corrections for regression equations which represent the relationship between counting efficiency of a standard and counting rate of a sample make it possible to obtain the radioactivity of the low energy beta emitters. It is very difficult for the emitters to be measured with the conventional efficiency tracing technique.