USPatentGranted
B1

3DIC packages with heat dissipation structures

Granted 3 Feb 2015 · no office action yet

Application
13/957,727
filed 2 Aug 2013
Publication
Not published
not published
Patent· this page
US 8,946,887
granted 3 Feb 2015

Life of the patent

7 dated events
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Abstract

A package includes a first die and a second die underlying the first die and in a same first die stack as the first die. The second die includes a first portion overlapped by the first die, and a second portion not overlapped by the first die. A first Thermal Interface Material (TIM) is over and contacting a top surface of the first die. A heat dissipating lid has a first bottom surface contacting the first TIM. A second TIM is over and contacting the second portion of the second die. A heat dissipating ring is over and contacting the second TIM.

Claims

20 · 3 independent · depth 3
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20 granted claims

Classifications

5 codes
IPC · International Patent Classification
Section H — Electricity
  • H01L23/34
  • H01L23/10
USPC · US Patent Classification
257/706438/106257/686

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File wrapper

⤢ drag to zoomJul 2013Oct 2013Jan 2014Apr 2014Jul 2014Oct 2014Jan 2015Apr 2015USPTOApplicantRestriction requirementNotice of allowanceRequest for continued examination
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Pendency
1.5 y
550 days filing → grant
Office actions
0
after a restriction
Responses
0
1 RCE
Examiner
Telly Green
art unit 2822 · TC 2800
Citations: 8 back · 0 forward

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