Patent ID: 9655241
Date: 2017-05-16
CPC Classifications: H01R,H05K

Claim:
1. A printed wiring board comprising: a base substrate; a plurality of pads for electrical connection that are disposed at one surface side of the base substrate and at a connection end portion to be connected with a connector, the plurality of pads forming front and rear two arrays when viewed in a direction of connection with the connector; first wirings that are provided at the other surface side of the base substrate and connected with pads of the front array of the plurality of pads via vias penetrating the base substrate; and second wirings that are provided at the one surface side of the base substrate and connected with pads of the rear array of the plurality of pads, wherein the first wirings are provided so as to pass through respective positions at the other surface side of the base substrate corresponding to the pads of the front array and the pads of the rear array, the first wirings have first expanded-width parts provided at positions on the other surface side of the base substrate corresponding to the pads of the front array and second expanded-width parts provided at positions on the other surface side of the base substrate corresponding to the pads of the rear array, the first expanded-width parts have shapes corresponding to shapes of the pads of the front array, and the second expanded-width parts have shapes corresponding to shapes of the pads of the rear array.