Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 26, 2011
Patent Application Number
12943578
Date Filed
November 10, 2010
Patent Primary Examiner
Patent abstract
The present invention relates to flash memory devices and a method of fabricating the same. In an aspect of the present invention, the flash memory device includes trenches formed in a semiconductor substrate and having a step at their lower portion, a tunnel insulating layer formed in an active region of the semiconductor substrate, first conductive layers formed on the tunnel insulating layer, an isolation layer gap-filling between the trenches and the first conductive layers, and a second conductive layer formed on the first conductive layer and having one side partially overlapping with the isolation layers.
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