Patent ID: 6552423
Filing Date: 2003-04-22
Classification: H01L

Abstract:
A memory card comprising:a base card having an opening extending therethrough in a center portion thereof; and first and second packages fixedly mounted within the opening of the base card and facing each other, said first package including: a first substrate having a first surface and a second surface, said first surface having a plurality of external connection pads formed thereon and exposed from the memory card, and said second surface having first connection pads formed thereon; and a first memory chip mounted on the second surface, the first memory chip electrically connected to the first connection pads; and said second package including: a second substrate having a third surface and a fourth surface, said third surface exposed from the memory card, and said fourth surface having second connection pads formed thereon; and a second memory chip mounted on the fourth surface, the second memory chip electrically connected to the second connection pads; wherein the base card includes internal connection means, and the first and the second connection pads are electrically connected to the internal connection means, and wherein the external connection pads provide electrical connection between said internal connection means and an external system.