US Patent 7544989 High density stepped, non-planar flash memory

Patent 7544989 was granted and assigned to Micron Technology on June, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Micron Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75449890

Patent Inventor Names

Leonard Forbes0

Kie Y. Ahn0

Date of Patent

June 9, 2009

Patent Application Number

114726170

Date Filed

June 22, 2006

Patent Primary Examiner

‌

Thinh T Nguyen

Patent abstract

A first plurality of memory cells is in a first plane in a first column of the array. A second plurality of memory cells is in a second plane in the same column. The second plurality of memory cells are coupled to the first plurality of memory cells through a series connection of their source/drain regions.