Multipiece apparatus for thermal and electromagnetic interference (EMI) shielding enhancement in die-up array packages and method of making the same

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United States of America Patent

PATENT NO 7791189
APP PUB NO 20090115048A1
SERIAL NO

12352309

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An integrated circuit (IC) device package is presented. A frame body has opposing first and second surfaces and a central opening that is open at the first and second surfaces. The second frame body surface is mounted to a first stiffener surface. An IC die is mounted to the first stiffener surface within the central opening through the frame body. A planar lid has opposing first and second surfaces. The second lid surface is coupled to the first frame body surface. A first substrate surface is coupled to a second stiffener surface. An array of electrically conductive terminals is coupled to a second substrate surface. The stiffener, frame body, and lid form an enclosure structure substantially enclosing the IC die. The die enclosure spreads heat from the IC die, and shields EMI emanating from and radiating toward the IC die. At least one tab protrudes from the second surface of the frame body. At least one receptacle formed in the first surface of the stiffener corresponding to the at least one tab. The at least one tab is coupled with the at least one corresponding receptacle, whereby structural coupling of said frame body to said stiffener is substantially improved.

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Patent Owner(s)

Patent OwnerAddress
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE LTDSINGAPORE SINGAPORE SINGAPORE CITY SINGAPORE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khan, Reza-ur Rahman Rancho Santa Margarita, US 41 1482
Zhao, Sam Ziqun Irvine, US 146 4154

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