Patent · US Expired

Method of a coating heat spreader

US7219421B2 · kind B2 · utility

5Cited by
18References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 2004
Grant dateMay 22, 2007
Priority date
Expiry dateMar 11, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49155
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A coated heat spreader for a die includes a body and a coating on a surface of the body, wherein the outermost coating is an organic surface protectant. An IC package includes a die thermally coupled to a heat spreader coated with an organic surface protectant. A PCB assembly including a die thermally coupled to a heat spreader coated with an organic surface protectant, where the die is part of an IC package or is directly attached to the PCB. A method of making a coated heat spreader includes coating the organic surface protectant onto a surface of the heat spreader.

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