Powertech Technology Inc.

Ping-Che Lee

Ying-Tang Chao

An electronic device and an electronic circuit board thereof is disclosed. In the electronic circuit board an insulation substrate is provided with conductive pads, first conductive vias, second conductive vias, third conductive vias, first conductive traces, second conductive traces, and third conductive traces. The conductive pads are arranged in two rows. Each row includes biasing pads and signal pads. The second conductive vias and the third conductive vias are respectively arranged inside and outside the first conductive vias. Each of the signal pads arranged in a row nearest the second conductive vias electrically connects with one second conductive via through a first conductive trace. Each of the signal pads arranged in a row nearest the third conductive vias electrically connects with one third conductive via through a second conductive trace. The third conductive traces embedded in the insulation substrate are extended to positions vertically under the signal pads.

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Hsinchu County, Taiwan

Ping-Che Lee