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 7671342 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 02, 2010

Filed:

Jan. 11, 2005
Applicants:

Ali Bani-hashemi, Walnut Creek, CA (US);

Farhad A. Ghelmansarai, Danville, CA (US);

Inventors:

Ali Bani-Hashemi, Walnut Creek, CA (US);

Farhad A. Ghelmansarai, Danville, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01T 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

X-ray portal imaging detectors have multiple layers, such as multiple layers of phosphor screens and/or detectors. Some x-rays that pass through one layer are detected or converted into light energies in a different layer. For example, one phosphor screen is provided in front and another behind that panel detector circuitry. Light generated in each of the phosphor screens is detected by the same detector circuitry. As another example, multiple layers of phosphor screens and associated detector circuits are provided. Some x-rays passing through one layer may be detected in a different layer. High energy x-rays associated with Megavoltage sources as well as lower or higher energy x-rays may be detected.


Find Patent Forward Citations

Bani-Hashemi, Ali. (2010). Multi-layer detector and method for imaging (U.S. Patent No. 7671342). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7671342

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