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:
Jan. 27, 2009
Filed:
May. 25, 2004
Applicants:
Gerhard Kraft, Darmstadt, DE;
Ulrich Weber, Bad Homburg, DE;
Sebastian Kraft, Tübingen, DE;
Stephan Kraft, Dossenheim, DE;
Inventors:
Gerhard Kraft, Darmstadt, DE;
Ulrich Weber, Bad Homburg, DE;
Sebastian Kraft, Tübingen, DE;
Stephan Kraft, Dossenheim, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/44 (2006.01); A61N 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An energy filter device for beams which are used in the course of ion beam therapy, wherein at least one passive modulator is provided. The modulator can comprise a scattering film for the beams and a collimator with an opening for controlling the beams, or a magnetic filter and an absorber, or a nonlinear filter and an apparatus for clipping the intensity of individual energy levels of the beams.