| 摘要 |
A prevention structure to prevent signal lines from time-skew is described. The prevention structure includes a plurality pairs of differential signal lines and a prevention line. The adjacent pairs of differential signal lines are separated from each other by a first gap. Each pair of the differential signal lines includes a positive signal line and a negative signal line each having a first line width. The prevention line has the second line width substantially equal to the first line width and is separated from the outmost differential signal line by a second distance substantially equal to the first distance.
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