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:
Dec. 29, 2009
Filed:
Jan. 31, 2007
Joachim Baumann, München, DE;
Christian David, Lauchringen, DE;
Martin Engelhardt, München, DE;
Jörg Freudenberger, Eckental, DE;
Eckhard Hempel, Fürth, DE;
Martin Hoheisel, Erlangen, DE;
Thomas Mertelmeier, Erlangen, DE;
Franz Pfeiffer, Brugg, CH;
Stefan Popescu, Erlangen, DE;
Manfred Schuster, München, DE;
Joachim Baumann, München, DE;
Christian David, Lauchringen, DE;
Martin Engelhardt, München, DE;
Jörg Freudenberger, Eckental, DE;
Eckhard Hempel, Fürth, DE;
Martin Hoheisel, Erlangen, DE;
Thomas Mertelmeier, Erlangen, DE;
Franz Pfeiffer, Brugg, CH;
Stefan Popescu, Erlangen, DE;
Manfred Schuster, München, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
An X-ray optical transmission grating of a focus-detector arrangement of an X-ray apparatus is disclosed, for generating projective or tomographic phase contrast recordings of a subject. In at least one embodiment, the grating includes a multiplicity of grating bars and grating gaps arranged periodically on at least one surface of at least one wafer, wherein the X-ray optical transmission grating includes at least two sub-gratings arranged in direct succession in the beam direction.