Patent · US Active

Graphene-coated heat spreader for integrated circuit device assemblies

US12154839B2 · kind B2 · utility

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1References
24Claims
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Assignee

Inventors

Key dates

Filing dateMar 18, 2022
Grant dateNov 26, 2024
Priority date
Expiry dateMay 9, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2224/83493
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An integrated circuit device assembly including a graphene-coated heat spreader, including: a substrate; a die coupled to the substrate; and a heat spreader thermally coupled to the die, the heat spreader comprising: a body of thermally conductive metal defining a cavity at least partially surrounding the die; and a graphene layer contacting a surface of the body.

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