Patent ID: 6127025
Filing Date: 2000-10-03
Classification: H01L,H05K,Y10S,Y10T

Abstract:
A circuit board comprising:a circuitized substrate including at least one dielectric interior layer having a first surface and at least one hole therein;a filler material, wherein said filler material substantially fills said at least one hole within said at least one dielectric interior layer;a first wiring layer positioned on said first surface of said at least one dielectric interior layer, wherein said first wiring layer substantially covers said at least one hole having said filler material therein, said first wiring layer assisting in retaining said filler material within said at least one hole in said at least one dielectric interior layer;a first dielectric photoresist layer positioned on said first wiring layer and on said first surface of said at least one dielectric interior layer, wherein said first dielectric photoresist layer includes at least one hole therein, said filler material also substantially filling said at least one hole within said first dielectric photoresist layer; anda second wiring layer positioned on said first dielectric photoresist layer, wherein said second wiring layer includes a plurality of conductive pads as part thereof.