Patent · US Active

3DIC packages with heat dissipation structures

US9576938B2 · kind B2 · utility

4Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 2016
Grant dateFeb 21, 2017
Priority date
Expiry dateJun 3, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/15311
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.