Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 2, 2008
Patent Application Number
10692430
Date Filed
October 23, 2003
Patent Primary Examiner
Patent abstract
Methods and apparatus are provided. A source slot and a drain contact region are formed at opposite ends of a NAND string disposed on a substrate of a NAND memory array using a single mask. The drain contact region is self-aligned to a drain select gate. The NAND string has a plurality of memory cells connected in series.
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