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. 13, 1990
Filed:
Nov. 08, 1988
Applicant:
Inventors:
Yoshihiro Takiguchi, Shizuoka, JP;
Katsuyuki Kinoshita, Shizuoka, JP;
Assignee:
Hamamatsu Photonics Kabushiki Kaisha, Shizuoki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2503 / ; 2504721 ;
Abstract
An alpha-ray image detecting apparatus detects the image of alpha-rays emitted from nuclides of a substance by analyzing the electrons emitted from the substance. The apparatus includes a vacuum chamber having a layer of fluorescent material at one end and an electronic optical system for multiplying the emitted electrons and focusing the emitted electrons on the fluourescent layer.