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:
Jun. 12, 1984
Filed:
Sep. 18, 1981
Applicant:
Inventors:
Ryuichi Tanaka, Gunma, JP;
Hiromi Sunaga, Gunma, JP;
Naoyuki Tamura, Gunma, JP;
Toshio Murakami, Tokyo, JP;
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J / ; G01N / ;
U.S. Cl.
CPC ...
2503361 ; 2504741 ;
Abstract
An apparatus for measuring radiation dose using the change in light absorbance of a transparent material upon irradiation which comprises substantially a light source, a monochromatic light emitting unit, a unit for controlling the light amount, a sample mounting unit, a detection unit and an indication unit wherein said light source is a hollow cathode lamp is herein disclosed.