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:
May. 31, 1988
Filed:
May. 01, 1986
Applicant:
Inventors:
Erich Plies, Munich, DE;
Wilhelm Argyo, Osterwarngau, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250305 ; 250310 ;
Abstract
A deflection element for an electrostatic opposing field spectrometer includes a grid electrode at a positive potential and a deflection electrode at a negative potential disposed symmetrically thereto, as well as housing portions disposed between the grid electrode and the deflection electrode, so that together they form a generated surface of a hollow cylinder disposed concentric to an optical axis of the spectrometer.