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:
Feb. 20, 2007
Filed:
Oct. 07, 2004
Chia-gee Wang, New York, NY (US);
Chia-Gee Wang, New York, NY (US);
Nanodynamics-88, Inc., New York, NY (US);
Abstract
The invention relates to targets for an X-ray transmission tube (); to a high efficiency, high excitation energy X-ray transmission tube; to combinations of the targets and high efficiency X-ray transmission tubes; and applications for utilizing such X-ray tubes. The target comprises two or more different thin foils () or at least two foils of the same material but different foil thickness on separate areas of a substantially planar substrate which is substantially transparent to X-rays. The target may also comprise at least two different foils () layered sequentially one of the other, wherein X-rays are produced when an electron beam impinges the foil closest to the source fo the electron beam; wherein the energy of the electron beam is selectively changed to produce X-rays of a least one preselected energy characteristic of at least one of the foils.