High density integrated circuit package assembly with a heatsink between stacked dies

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United States of America Patent

PATENT NO 5739581
SERIAL NO

08560280

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Abstract

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An integrated circuit package assembly with a first die disposed over a first substrate having traces defined therein to provide electrical access to the first die. A heatsink is disposed over the substrate and the first die. A second die and a leadframe is disposed over the heatsink. The leadframe provides electrical access to the second die.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL SEMICONDUCTOR CORPORATION12500 TI BOULEVARD M/S 3999 DALLAS TX 75243

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chillara, Satya San Jose, CA 9 648
Mostafazadeh, Shahram San Jose, CA 53 2509

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