Active solid-state devices (e.g. – transistors – solid-state diode – With shielding
Reexamination Certificate
2007-04-24
2010-11-09
Coleman, W. David (Department: 2823)
Active solid-state devices (e.g., transistors, solid-state diode
With shielding
C257S660000
Reexamination Certificate
active
07829980
ABSTRACT:
A magnetoresistive memory device20includes dies24and38,each of which contains magnetically sensitive material50.A method64of packaging the magnetoresistive memory device20entails coupling the die24to a substrate22,forming interconnections52between bonding pads32on the die24to connection sites54spaced apart from the die24.A magnetic shield36is bonded to a top surface30of the die24following formation of the interconnections52.The die38is attached to the magnetic shield36,interconnections56are formed between bonding pads44on the die38to connection sites58spaced apart from the die38,and a magnetic shield48is adhered to the die38following formation of the interconnections56.
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Gao et al., Magnetic Shielding for Stacked MRAM Packages, Semiconductor International, Dec. 1, 2006.
Molla Jaynal A.
Salter Eric J.
Coleman W. David
Enad Christine
Everspin Technologies, Inc.
Ingrassia Fisher & Lorenz P.C.
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