Several common heat sink manufacturing process

Aluminum extrusion heat sink manufacturing process

This is an excellent heat dissipation material that is widely used in modern heat dissipation. Most of the industry uses 6063 T5 high-quality aluminum with a purity of over 98%. Its thermal conductivity, low density, and low price have been approved by major manufacturers. Favor. According to the thermal resistance of Intel and AMD CPUs and the consideration of their heat generation, aluminum extrusion manufacturers formulate corresponding molds, heat the aluminum ingots to a certain temperature to change the physical form, and then get out of the mold. We have all the raw materials of heat sinks we want; we can use them by cutting, grooving, polishing, deburring, cleaning, and surface treatment.

Aluminum casting heat sink manufacturing process

Although the price of aluminum extruded heat sink is low, the manufacturing cost is also low, but it is limited by the soft texture of the aluminum itself, and the ratio of the thickness of the fin to the height of the fin generally does not exceed 1:18, so each PC manufacturers continue to increase the heat dissipation area, while the heat dissipation space remains unchanged, the manufacturers proposed a more suitable solution, encrypting the fins, thereby increasing the number of fins; bending the fins, thereby increasing the heat dissipation Area; heating the aluminum ingot from solid to liquid through the mold, and then cooling it becomes the heat sink we want.

Copper cutting heat sink manufacturing process

After using the aluminum extruded heat sink for such a long time, no matter how we change our processing technology, it is difficult to meet the increasing heat generation of the CPU. Some manufacturers have to spend money on the cost and seek copper instead of aluminum. Due to the heat conduction of copper The coefficient is much larger than that of aluminum, and the doubled increase in thermal conductivity is of great benefit to our heat dissipation. However, because the hardness of copper is much greater than that of aluminum, it is a severe test for the manufacturing process during the processing. Therefore, the traditional extrusion molding process can no longer be applied to copper, and has to be processed in this way of cutting.

Copper embedded heat sink manufacturing process

The most perfect solution to this compromise solution should belong to the copper embedded technology pioneered by AVC. This is a harmonious unification of the advantages of copper's fast heat conduction speed, high density, and strong heat absorption capacity with the traditional aluminum extrusion's advantages of light density, low price, and convenient mass production.