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:
Apr. 03, 2012
Filed:
Dec. 14, 2009
Stanford Ovshinsky, Bloomfield Hills, MI (US);
Tyler Lowrey, West Augusta, VA (US);
James D. Reed, Rochester Hills, MI (US);
Semyon D. Savransky, Newark, CA (US);
Jason S. Reid, San Jose, CA (US);
Kuo-wei Chang, Cupertino, CA (US);
Stanford Ovshinsky, Bloomfield Hills, MI (US);
Tyler Lowrey, West Augusta, VA (US);
James D. Reed, Rochester Hills, MI (US);
Semyon D. Savransky, Newark, CA (US);
Jason S. Reid, San Jose, CA (US);
Kuo-Wei Chang, Cupertino, CA (US);
STMicroelectronics S.r.l., Agrate Brianza, IT;
Abstract
A chalcogenide alloy that optimizes operating parameters of an ovonic threshold switch includes an atomic percentage of arsenic in the range of 9 to 39, an atomic percentage of germanium in the range of 10 and 40, an atomic percentage of silicon in the range of 5 and 18, an atomic percentage of nitrogen in the range of 0 and 10, and an alloy of sulfur, selenium, and tellurium. A ratio of sulfur to selenium in the range of 0.25 and 4, and a ration of sulfur to tellurium in the alloy of sulfur, selenium, and tellurium is in the range of 0.11 and 1.