CPC H05K 1/118 (2013.01) [H05K 1/0218 (2013.01); H05K 2201/0715 (2013.01); H05K 2201/10128 (2013.01)] | 20 Claims |
1. A connection member comprising
a first region, a second region, and a third region,
wherein a number of conductive layers in the second region is greater than a number of conductive layers in the first region and is greater than a number of conductive layers in the third region,
a first layer, which is an uppermost layer of the second region, extends to the third region,
a second layer, which is a lowermost layer of the third region, extends to the second region, and
a side portion of the second region at a boundary between the second region and the third region is covered by the first layer and the second layer.
|