Radiator for electronic or electric products and manufacturing method thereof

A technology of electrical products and manufacturing methods, applied in the direction of electrical components, electrical solid devices, cooling/ventilation/heating transformation, etc.

Inactive Publication Date: 2012-06-20
ALUMINUM CO OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Apparently, the above-mentioned traditional co

Method used

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  • Radiator for electronic or electric products and manufacturing method thereof
  • Radiator for electronic or electric products and manufacturing method thereof
  • Radiator for electronic or electric products and manufacturing method thereof

Examples

Experimental program
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Embodiment Construction

[0042] Embodiments of the present invention are now described with reference to the drawings, wherein like parts use like reference numerals throughout.

[0043] A non-limiting exemplary embodiment of the heat sink of the present invention is in figure 1 , where the heat sink 1 includes two main components, namely the base plate 2 and the fins 3 . For the convenience of description below, the direction along the thickness of the fin 3 is called the x-axis direction, the direction along the length of the fin 3 is called the y-axis direction, and the direction along the height of the fin 3 is called the z-axis direction.

[0044] The base plate 2 is made of metal and is used to contact a heat source. The base plate 2 can be solid, or the base plate 2 can have at least one cooling channel arranged inside it, which is filled with a flowable cooling medium.

[0045] The fin material of the fin 3 is a metal plate, and includes periodically arranged connecting portions 3 a and fin ...

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Abstract

The invention relates to a radiator for electronic and electric products. The radiator comprises a baseplate and at least one fin group, wherein each fin group comprises a plurality of fins, each fin comprises a connecting part and a fin main body protruding from the connecting part, and the fins are combined with the baseplate through the connecting parts, the baseplate and a material of the fins are made of metal, and at least one of the baseplate and the material of the fins is an aluminum composite brazed plate; and the connecting parts and the main bodies of the plurality of fins are integrally formed by the single fin material, and the at least one fin group and the surface of the baseplate are connected through a brazing process.

Description

technical field [0001] The present invention relates to a heat sink, and more particularly, the present invention relates to a heat sink for electronic or electric products and a manufacturing method thereof. Background technique [0002] Radiators for electronic or electrical products generally include substrates and fins, and are made of materials such as copper alloys, aluminum alloys, or magnesium alloys with high thermal conductivity. The base plate and fin structure of the heat sink can be integrally formed, or formed separately and assembled together. One-piece heat sinks are made by extrusion, cutting or die-casting, such as precision-cut heat sinks, extruded heat sinks, die-cast heat sinks, etc.; assembled heat sinks are made by joining substrates and fins, such as Gear-shaping radiators, hinged radiators, etc. [0003] For radiators, the most effective way to improve heat dissipation efficiency is to increase the surface area of ​​the fins, or to increase the rat...

Claims

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Application Information

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IPC IPC(8): H05K7/20
CPCH01L2924/0002H01L23/3672H01L2924/00
Inventor 宋保华林艳李晓玲彭海涛南利辉
Owner ALUMINUM CO OF AMERICA
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