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:
Mar. 10, 1981
Filed:
May. 25, 1979
Applicant:
Inventors:
Andrew Barrie, Sale, GB;
Quentin C Herd, Sale, GB;
Assignee:
Kratos Limited, , GB;
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250305 ; 250310 ; 2504 / ; 2502 / ;
Abstract
Charged-particle spectroscopy apparatus for the chemical analysis of a sample in which an apertured plate receives charged particles emitted from the sample and transmits them to an analyzer for analyzing the energies of the particles, the aperture of the plate being such as to restrict the particles passing therethrough to a pencil beam of particles from a selected area of the sample.