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:
Jul. 24, 2007
Filed:
Jun. 20, 2002
Applicants:
Jan Boldewijn, Vriezenveen, NL;
Waltherus W. Van Den Hoogenhof, Almelo, NL;
Inventors:
Jan Boldewijn, Vriezenveen, NL;
Waltherus W. van den Hoogenhof, Almelo, NL;
Assignee:
PANalytical BV, Almelo, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21K 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A limiting device () for electromagnetic radiation () includes an essentially flat beam cross-section limiter () which partly or completely encloses at least one passage aperture () for beams () and is constructed so that it also includes at least one second beam cross-section limiter () which, in the active position, constitutes at least one longitudinal component extending at an angle to the first beam cross-section limiter ().