Low cost hybrid high density package
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Nov 28, 2016
filing date -
Aug 24, 2011
priority date (Note) -
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Abstract
A microelectronic assembly includes a substrate, a first and second microelectronic elements, a lead finger, electrical connections extending between contacts of the second microelectronic element and the lead fingers, and an encapsulant overlying at least portions of the first and second microelectronic elements, lead finger and electrical connections. The substrate has contacts at a first surface and terminals at an opposed second surface that are electrically connected with the substrate contacts. The first microelectronic element has contacts exposed at its front face. The front face of the first microelectronic element is joined to the substrate contacts. The second microelectronic element overlies the first microelectronic element and has contacts at a front face facing away from the substrate. The lead frame has lead fingers, wherein the second surface of the substrate and the lead fingers define a common interface for electrical interconnection to a component external to the microelectronic assembly.
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