Patent · US Expired

Lightweight heat sink

US7147041B2 · kind B2 · utility

27Cited by
50References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 2005
Grant dateDec 12, 2006
Priority date
Expiry dateJan 28, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3011
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heat sink disposable on a heat transfer surface of a heat-generating source such as an electronic component. The heat sink includes a base portion and a body portion. The base portion has a first surface disposable on the heat transfer surface, and a second surface opposite the first surface. The body portion is joined to the second surface of the base portion and is formed of a stack of corrugated sheets of one or more metal foils arranged to form a cellular, honeycomb-like structure.

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