Patent ID: 7645644
Filing Date: 2010-01-12
Classification: H01L

Abstract:
1. A method of forming data lines, comprising: defining a data block on a semiconductor substrate and first and second decoder regions on opposite sides of the data block; forming a plurality of parallel dummy patterns extended so as to cross over the data block from the first decoder region to the second decoder region; and forming spacer patterns surrounding sidewalls of the plurality of parallel dummy patterns; and separating each of the spacer patterns into two portions by patterning to define M parallel and sequentially arranged data lines numbered {0, 1, 2, . . . n, n+1, . . . , m−1, m}, where M, n and m are positive integers, and where n<m, and M=m+1, wherein a first data line group among the M parallel and sequentially arranged data lines extend to the first decoder region from the data block, wherein a second data line group among the M parallel and sequentially arranged data lines extend to the second decoder region from the data block, wherein the first data line group includes even numbered data lines among the data lines {0, 1, 2, . . . n}, and odd numbered data lines among the data lines {n+1, . . . m−1, m}, and wherein the second data line group includes odd numbered data lines among the data lines {0, 1, 2, . . . n}, and even numbered data lines among the data lines {n+1, . . . m−1, m}.