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.:

US 7620150 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 17, 2009

Filed:

Jan. 30, 2008
Applicant:

Martin Annis, Cambridge, MA (US);

Inventor:

Martin Annis, Cambridge, MA (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 23/203 (2006.01);
U.S. Cl.
CPC ...
Abstract

The apparatus has an x-ray source that emits an x-ray cone beam through a tubular, x-ray-blocking guide to a planar template with a small pinhole to produce a pencil beam. The template is movable so the pencil beam can scan the target region to be imaged. Between the template and target region is an x-ray detector assembly with a plastic scintillator. The scintillator has an opening about the same size and shape as the target region that allows the pencil beam to pass to the target region. Photo-multiplier detectors receive the light generated by the backscattered x-rays in the scintillator. The method of the present invention employs the apparatus. Multiple x-rays source locations permit the generation of 3D images.


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Annis, Martin. (2009). X-ray backscatter system for imaging at shallow depths (U.S. Patent No. 7620150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7620150

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