Patent ID: 9443788
Filing Date: 2016-09-13
CPC Classification: H01L,H05K,Y10T

Claim Text:
1. A through-hole electrode substrate comprising: a substrate including a plurality of through-holes; a plurality of through-hole electrodes arranged within each of the plurality of through-holes; and a first insulation layer arranged on one surface of the substrate; wherein the first insulation layer includes a plurality of first openings which expose each of the plurality of through-holes, the plurality of through-holes includes a leaning through-hole leaning from one surface to the other surface of the substrate, and each of the plurality of first openings is arranged within an open area of the leaning through-hole, an outer boundary line of the open area is covered by the first insulation layer, and the first insulation layer extends beyond the outer boundary line toward the open area to cover a portion of a surface of each of through-hole electrodes located at the open area.