Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Maejima0
Date of Patent
February 10, 2015
0Patent Application Number
124074030
Date Filed
March 19, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A three dimensional stacked nonvolatile semiconductor memory according to an example of the present invention includes a memory cell array comprised of first and second blocks disposed side by side in a first direction, and a driver disposed on one end of the memory cell array in a second direction orthogonal to the first direction. A source diffusion layer, which is common to the first and second blocks, is disposed in a semiconductor substrate, and a contact plug, which has a lower end connected to the source diffusion layer and an upper end connected to a source line disposed above at least three conductive layers, is interposed between the first and second blocks.
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