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. 23, 1979
Filed:
Jan. 09, 1978
Applicant:
Inventors:
Rolf Woldseth, Foster City, CA (US);
Duane A Spence, Hillsborough, CA (US);
Assignee:
Kevex Corporation, Foster City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250306 ; 250309 ; 250397 ; 250370 ;
Abstract
A high resolution alpha particle x-ray energy analysis system, particularly useful in detecting light elements, is disclosed wherein magnetic or electrostatic suppression fields prevent charged particles that create background radiation from reaching a windowless energy dispersive x-ray detector.