The disclosure relates to an LED lamp and an optical lens thereof. The optical lens includes a dome structure and a protrusion structure, the dome structure has an external surface, the protrusion structure is disposed on the external surface of the dome structure; the protrusion structure has a fir.....
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A motherboard includes a printed circuit board and plural connectors. The connectors, which include sockets and ports, are mounted on the printed circuit board. Each of the connectors has plural conductive terminals. Each conductive terminal has a substrate layer and an electroplating layer formed o.....
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