Hon Hai Precision Industry Co., Ltd.

Ying Tso

Chun-Jen Chen

Dan-Chen Wu

In a computing device, a computerized method and a non-transitory storage medium are applied in checking whether the transmission lines in a stored wiring diagram meet a certain criterion in relation to vias in the routes of differential pairs. A transmission line is selected to determine whether or not the line belongs to a differential pair and passes through at least one via. Another transmission line of the differential pair is obtained for analysis when the selected transmission line passes through at least one via. Sizes of vias in the respective routes of the differential pair are compared and a distance between the vias of the differential pair is compared. The differential pair, and the sizes of vias which comply or do not comply with the criterion are recorded and displayed in a list of results.

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Taipei, Taiwan

Ying Tso