CPU heat sink mounting structure

Patent 5423375 Issued on June 13, 1995. Estimated Expiration Date:

October 6, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Heat sink for an electronic pin grid array
Patent #: 5304735
Issued on: 04/19/1994
Inventor: Earl, et al.

Low profile integrated heat sink and fan assembly
Patent #: 5309983
Issued on: 05/10/1994
Inventor: Bailey

Pentium CPU cooling device
Patent #: 5353863
Issued on: 10/11/1994
Inventor: Yu

EMI shield, and assembly using same
Patent #: 5357404
Issued on: 10/18/1994
Inventor: Bright, et al.

Fixing device for fixing electronic component against a wall of a heatsink Patent #: 5373099
Issued on: 12/13/1994
Inventor: Boitard, et al.

Inventor

Chiou, Ming D.

Application

No. 318921 filed on 10/06/1994

US Classes:

165/80.3, Air cooled, including fins165/185, HEAT TRANSMITTER174/16.3, With heat sink257/719, Pressed against semiconductor element257/E23.086, Snap-on arrangements, e.g., clips (EPO)257/E23.099, By flowing gases, e.g., air (EPO)361/697, With heat sink or cooling fins361/704Thermal conduction

Examiners

Primary: Schwadron, Martin P.
Assistant: Leo, L. R.

Attorney, Agent or Firm

Pro-techtor International

International Classes

F28F 007/00
H05K 007/20

Abstract

A CPU heat sink mounting structure including a CPU, a heat sink attached to one side of the CPU to hold an electric fan for dissipating heat from the CPU, and a plurality of clamps fastened to the heat sink to hold down the CPU, each clamp having a forked mounting portion fastened to a respective retaining hole on the heat sink and a clamping portion clamped on the CPU to hold down the CPU on the heat sink.