Through-package-via (tpv) Structures On Inorganic Interposer And Methods For Fabricating Same
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Aspects of the present disclosure generally relate to a microelectronic package including a plurality of through vias having walls in a glass interposer having a top portion and a bottom portion. The microelectric package may also include a stress relief barrier on at least a portion of the top and bottom portions of the glass interposer. The microelectric package may further include a metallization seed layer on at least a portion of the stress relief layer and a conductor on at least a portion of the metallization seed layer. The conductor extends through at least a portion of the plurality of the through vias, forming a plurality of metalized through package vias. At least a portion of the through vias are filled with the stress relief layer or the metallization seed layer.
- Georgia Tech Patents