Spansion Assigned Patent
(Targeted News Service Via Acquire Media NewsEdge) By Targeted News Service
ALEXANDRIA, Va., Aug. 17 -- Spansion, Sunnyvale, Calif., has been assigned a patent (8,508,047) developed by Michael Brennan, Campbell, Calif., for a "buried word line memory integrated circuit system."
The abstract of the patent published by the U.S. Patent and Trademark Office states: "An integrated circuit system includes providing a semiconductor substrate and forming buried word lines in the semiconductor substrate with the buried word lines including vertical charge-trapping dielectric layers. The system further includes forming bit lines further comprising forming in-substrate portions in the semiconductor substrate, and forming above-substrate portions over the semiconductor substrate."
The patent application was filed on Oct. 17, 2006 (11/550,406). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=85,08,047.PN.&OS=PN/85,08,047&RS=PN/85,08,047
Written by Deviprasad Jena; edited by Jaya Anand.
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