Importance

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Abstract

A technique for increasing electronic component density on multilayer printed circuit boards is disclosed. In one embodiment, the technique is realized as an improved multilayer circuit board for enabling the stacking of electronic components. The multilayer circuit board has a first electrically conductive layer and a second electrically conductive layer separated by at least one dielectric layer. The improvement comprises a cavity in the multilayer circuit board extending through the first electrically conductive layer and the at least one dielectric layer so as to expose at least a portion of the second electrically conductive layer within the cavity. The cavity is sized to accommodate a first electronic component therein such that the first electronic component makes electrical contact with the exposed portion of the second electrically conductive layer and a second electronic component, which is stacked over the first electronic component, makes electrical contact with the first electrically conductive layer.

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First Claim