Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 1, 2010
Patent Application Number
12211545
Date Filed
September 16, 2008
Patent Primary Examiner
Patent abstract
The invention provides methods and apparatus. A portion of a memory array has a string of two or more non-volatile memory cells, a first select gate coupled in series with one non-volatile memory cell of the string of two or more non-volatile memory cells, and a second select gate coupled in series with the first select gate. A length of the second select gate is greater than a length of the first select gate.
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