Patent · US Expired

Heat sink mounting structure

US5708564A · kind A · utility

39Cited by
10References
5Claims
0Family size

Inventor

Key dates

Filing dateMay 7, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateMay 7, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A heat sink mounting structure including a mounting frame fastened to a CPU holder above a CPU in the CPU holder, and a heat sink fastened to the mounting frame and disposed in contact with the CPU to dissipate heat from it, the CPU holder having two retainer rods adapted for securing the mounting frame in place, wherein the mounting frame comprises an annular bearing portion suspended on the inside and adapted to hold the heat sink, the annular bearing portion having a plurality of retaining notches and a plurality of sliding grooves respectively extending from the retaining notches; the heat sink includes a plurality of projecting locating elements projecting outwards from the periphery, the projecting locating elements being moved along the sliding grooves into engagement with the retaining notches when the heat sink is mounted on the annular bearing portion.

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