Patent ID: 7864542
Filing Date: 2011-01-04
Classification: H01L,H05K,Y02P,Y10T

Abstract:
1. A printed circuit board comprising: a core substrate comprising a first resin substrate, a second resin substrate and a third resin substrate, the second resin substrate having an opening and positioned between the first resin substrate and the third resin substrate, the core substrate having an upper surface and a lower surface on an opposite side of the upper surface; a first capacitor formed in the opening of the second resin substrate and having a first electrode having a portion facing to the upper surface of the core substrate and a second electrode having a portion facing to the lower surface of the core substrate; an upper insulating layer formed over the upper surface of the core substrate and having a conductive circuit layer formed over the upper insulating layer, the upper insulating layer having a via hole electrically connecting the portion of the first electrode of the first capacitor and the conductive circuit layer of the upper insulating layer; and a lower insulating layer formed over the lower surface of the core substrate and having a conductive circuit layer formed over the lower insulating layer, the lower insulating layer having a via hole electrically connecting the portion of the second electrode of the first capacitor and the conductive circuit layer of the lower insulating layer.