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:
Nov. 15, 2011
Filed:
May. 04, 2009
Takumi Abe, Mountain View, CA (US);
Takumi Abe, Mountain View, CA (US);
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
The nonvolatile semiconductor memory device related to an embodiment of the present invention includes a cell array including a memory string, a bit line connected to the memory string, a first wire connected to a cell source line of a memory cell, a second wire connected to a cell well line of a memory cell, a third wire which supplies a power supply voltage to a circuit arranged outside of a region of the cell array, a fourth wire and a fifth wire being arranged in a row direction within the cell array region, and the first wire, the second wire and the third being formed in a layer above a layer in which the bit line within the cell array is formed, the fourth wire and the fifth wire being formed in the layer in which the bit line within the cell array region is formed.