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Improvement of metal radiating fin radiating speed by nano-carbon tube coating

A technology of carbon nanotubes and heat dissipation speed, which is applied in coatings, metal material coating processes, devices for coating liquids on surfaces, etc. The effect of reducing volume and weight and increasing heat dissipation

Inactive Publication Date: 2007-01-17
MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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Problems solved by technology

[0002] In order to prevent the electronic components from overheating, the computer has a built-in aluminum wing-shaped and curl-shaped radiator plus a heat pipe to absorb and dissipate heat. This radiator has a larger volume and heavier weight, and with the microprocessor The calculation speed of the processor is accelerated, and the heat emitted increases, resulting in the inability to dissipate heat in time
[0003] Moreover, the heat dissipation speed of these heat sinks increases with the increase in volume, so the use of copper or copper alloy heat sinks, although the heat dissipation speed has been improved to a certain extent, still has the problem of excessive volume and weight of the heat sink.

Method used

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  • Improvement of metal radiating fin radiating speed by nano-carbon tube coating

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Embodiment Construction

[0008] see figure 1 , a method for improving the heat dissipation speed of a metal radiator with a carbon nanotube (carbon nanotube) coating, comprising the following steps:

[0009] Step 1: Ultrasonic cleaning is performed on the surface of the heat sink 1 of copper or copper alloy;

[0010] The principle of ultrasonic cleaning is that the high-frequency oscillation signal sent by the ultrasonic generator is converted into high-frequency mechanical oscillation by the transducer and propagated to the medium-cleaning solvent. The liquid flows and produces tens of thousands of tiny air bubbles. These bubbles form and grow in the negative pressure zone where the ultrasonic wave travels longitudinally, and close quickly in the positive pressure zone. In this process called "cavitation" effect, the bubble closure can form an instantaneous high pressure of more than 1000 air pressures, and the continuous generation of instantaneous high pressure is like a series of small "explosio...

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Abstract

This is a kind of method that the nanometer carbon tube coating increases the heat radiating speed of metal radiating fin. Firstly, the surface of metal radiating fin is cleaned to increase the surface adhesive force. Then, the surface of metal radiating fin is coated with a layer of coating. This coating is nanometer carbon tube, which has good heat conductivity and can increase the heat radiating speed.

Description

technical field [0001] The invention relates to a method for increasing the heat dissipation speed of a metal heat sink, in particular to a method for increasing the heat dissipation speed of a metal heat sink with a carbon nanotube coating. Background technique [0002] In order to prevent the electronic components from overheating, the computer has built-in aluminum wing-shaped and curl-shaped heat sinks plus heat pipes to absorb and dissipate heat. The calculation speed of the processor is accelerated, and the heat emitted increases, resulting in the inability to dissipate heat in time. [0003] Moreover, the heat dissipation speed of these heat sinks increases with the increase in volume, so the use of copper or copper alloy heat sinks, although the heat dissipation speed has been improved to a certain extent, still has the problems of excessive volume and weight of the heat sink. Contents of the invention [0004] The object of the present invention is to provide a m...

Claims

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Application Information

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IPC IPC(8): F28F7/00H01L23/373B05D1/02C23C16/00C23C16/26
Inventor 吴政道
Owner MITAC PRECISION TECH CO LTD SHUNDE DISTRICT FOSHAN CITY
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