Method of manufacturing a through-hole electrode substrate
A method of manufacturing a through-hole electrode substrate includes forming a plurality of through-holes in a substrate, forming a plurality of through-hole electrodes by filling a conductive material into the plurality of through-holes, forming a first insulation layer on one surface of the substrate, forming a plurality of first openings which expose the plurality of through-hole electrodes corresponding to each of the plurality of through-hole electrodes, on the first insulation layer and correcting a position of the plurality of first openings using the relationship between a misalignment amount of a measured distance value of an open position of a leaning through-hole among the plurality of through-holes and of a design distance value of the open position of the leaning through-hole among the plurality of through-holes with respect to a center position of the substrate.
1. A method of manufacturing a through-hole electrode substrate comprising:
forming a plurality of through-holes in a substrate:
forming a plurality of through-hole electrodes by filling a conductive material into the plurality of through-holes;
forming a first insulation layer on one surface of the substrate;
forming a plurality of first openings which expose the plurality of through-hole electrodes corresponding to each of the plurality of through-hole electrodes, on the first insulation layer; and
correcting a position of the plurality of first openings based on a difference between a measured distance of an open position of a leaning through-hole among the plurality of through-holes and a design distance value of the open position of the leaning through-hole among the plurality of through-holes with respect to a center position of the substrate.
2. The method of manufacturing a through-hole electrode substrate according to claim 1 , further comprising:
forming a second insulation layer on the other surface of the substrate;
forming a plurality of second openings which expose the plurality of through-hole electrodes, on the second insulation later; and
correcting a position of the plurality of second openings based on a difference between a measured distance of an open position of a leaning through-hole among the plurality of through-holes and a design distance value of the open position of the leaning through-hole among the plurality of through-holes with respect to a center position of the substrate.
3. The method of manufacturing a through-hole electrode substrate according to claim 2 , wherein a position of the plurality of second openings is corrected using a correction function which expresses a difference between a measured distance of an open position of the leaning through-hole and a design distance value of the open position of the leaning through-hole among the plurality of through-holes with respect to a center position of the substrate.
4. The method of manufacturing a through-hole electrode substrate according to claim 1 , further comprising:
forming a third insulation layer in each interior wall of the plurality of through-holes, and forming a conductive material on the third insulation layer.
5. The method of manufacturing a through-hole electrode substrate according to claim 1 , wherein either one or all of the first insulation layer, the second insulation layer and the third insulation layer are formed using an insulation resin.
6. The method of manufacturing a through-hole electrode substrate according to claim 1 , wherein a position of the plurality of first openings is corrected using a correction function which expresses a difference between a measured distance of an open position of the leaning through-hole and a design distance value of the open position of the leaning through-hole among the plurality of through-holes with respect to a center position of the substrate.
7. The method of manufacturing a through-hole electrode substrate according to claim 6 , wherein the one surface or the other surface of the substrate is divided into a plurality of regions from a center position heading to a periphery, and the correction function for correcting a position of the plurality of first openings or a position of the plurality of second openings is made different for each of the plurality of regions.
8. The method of manufacturing a through-hole electrode substrate according to claim 6 , wherein the correction function uses a fixed value correction, a linear correction, a quadratic curve correction or a random correction.