OFFSET INTERPOSERS FOR LARGE-BOTTOM PACKAGES AND LARGE-DIE PACKAGE-ON-PACKAGE STRUCTURES

An offset interposer includes a land side including land-side ball-grid array (BGA) and a package-on-package (POP) side including a POP-side BGA. The land-side BGA includes two adjacent, spaced-apart land-side pads, and the POP-side BGA includes two adjacent, spaced-apart POP-side pads that are coup...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Watts, Nicholas R, MORTENSEN, Russell K, Nickerson, Robert M
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An offset interposer includes a land side including land-side ball-grid array (BGA) and a package-on-package (POP) side including a POP-side BGA. The land-side BGA includes two adjacent, spaced-apart land-side pads, and the POP-side BGA includes two adjacent, spaced-apart POP-side pads that are coupled to the respective two land-side BGA pads through the offset interposer. The land-side BGA is configured to interface with a first-level interconnect. The POP-side BGA is configured to interface with a POP substrate. Each of the two land-side pads has a different footprint than the respective two POP-side pads.