Patent ID: 6833512
Filing Date: 2004-12-21
Classification: H01L,H05K

Abstract:
A substrate board, comprising:at least one core layer having a first surface, a second surface, a first opening and a second opening, both the first opening and the second opening passing through the core layer; a metallic layer on the first surface of the core layer, the matallic layer including a contact pad and a circuit line, the contact pad and the circuit line separately lain on the first surface of the core layer, wherein a solder paste is disposed on the contact pad; a connecting metallic layer on the second surface of the core layer; a first metal plug inside the first opening, one end of the first metal plug connected with the contact pad, the other end of the first metal plug connected with the connecting metallic layer; and a second metal plug inside the second opening, one end of the second metal plug connected with the circuit line, the other end of the second metal plug connected with the connecting metallic layer.