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:
Feb. 28, 2012
Filed:
Jan. 12, 2005
Ashot Melik-martirosian, Sunnyvale, CA (US);
Mark T. Ramsbey, Sunnyvale, CA (US);
Mark W. Randolph, San Jose, CA (US);
Ashot Melik-Martirosian, Sunnyvale, CA (US);
Mark T. Ramsbey, Sunnyvale, CA (US);
Mark W. Randolph, San Jose, CA (US);
Spansion LLC, Sunnyvale, CA (US);
Abstract
A memory device and a method of fabrication are provided. The memory device includes a semiconductor substrate and a charge trapping dielectric stack disposed over the semiconductor substrate. A gate electrode is disposed over the charge trapping dielectric stack, where the gate electrode electrically defines a channel within a portion of the semiconductor substrate. The memory device includes a pair of bitlines, where the bitlines have a lower portion and a substantially trapezoidal shaped upper portion.