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 7758843 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 20, 2010

Filed:

Apr. 01, 2009
Applicants:

Aleskey E. Bolotnikov, South Setauket, NY (US);

Ralph B. James, Ridge, NY (US);

Inventors:

Aleskey E. Bolotnikov, South Setauket, NY (US);

Ralph B. James, Ridge, NY (US);

Assignee:

U.S. Department of Energy, Washington, DC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 19/00 (2006.01); C01B 19/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present disclosure provides systems and methods for crystal growth of cadmium zinc tellurium (CZT) and cadmium tellurium (CdTe) crystals with an inverted growth reactor chamber. The inverted growth reactor chamber enables growth of single, large, high purity CZT and CdTe crystals that can be used, for example, in X-ray and gamma detection, substrates for infrared detectors, or the like. The inverted growth reactor chamber enables reductions in the presence of Te inclusions, which are recognized as an important limiting factor in using CZT or CdTe as radiation detectors. The inverted growth reactor chamber can be utilized with existing crystal growth techniques such as the Bridgman crystal growth mechanism and the like. In an exemplary embodiment, the inverted growth reactor chamber is a U-shaped ampoule.


Find Patent Forward Citations

Bolotnikov, Aleskey. (2010). Inclusion free cadmium zinc tellurium and cadmium tellurium crystals and associated growth method (U.S. Patent No. 7758843). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7758843

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