Energy Conversion Devices, Inc. (fka ENERQ)

[braetman]

These patents have to be worth billions

** Ovonyx Assigned Patent ALEXANDRIA, Va., July 13 -- Ovonyx, Sterling Heights, Mich., has been assigned a patent (8,217,379) developed by Carl Schell, Waterford, Mich., Guy Wicker, Southfield, Mich., and Jon Maimon, Manassas, Va., for an "arsenic-containing variable resistance materials." The abstract of the patent published by the U.S. Patent and Trademark Office states: "A variable resistance material for memory applications. The material includes a base Ge--Sb--Te composition and further includes As-doping. The materials were included in variable resistance memory devices. Incorporation of As in the variable resistance composition led to a significant increase in the operational life of the device and, unexpectedly, did not reduce the programming speed of the device. In one embodiment, the composition includes at atomic concentration of Ge in the range from 7%-13%, an atomic concentration of Sb in the range from 50%-70%, an atomic concentration of Te in the range from 20%-30%, and an atomic concentration of As in the range from 2%-15%." The patent application was filed on July 20, 2009 (12/505,854). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8,217,379&OS=8,217,379&RS=8,217,379 Written by Arpi Sharma; edited by Anand Kumar.