Aluminum Fins Copper Base Heat Sink

In thermal industry, the most common materials are copper and aluminum, Both of these two materials have their own advantages and disadvantages. aluminum is more cost efficient, lightweight, and has better heat dissipation ability, but copper has better thermal conductivity, it can absorb the heat from heat source much faster than aluminum, how can we gather the advantages of the two materials to build a high performance heat sink, aluminum fins copper base heat sink is a perfect combination design, The copper base contact the heater can absorb the heat rapidly, then the aluminum fins can dissipate the heat which transferred from the copper base fast, this design significantly improved the thermal dissipation efficiency, if you want to improve the thermal performance for high power device, the heat pipes can be embeded into the base and fins to increase the heat transferring efficiency.

How to build a aluminum fins copper base heat sink?

1, Manufacture aluminum fins by high speed stamping machines, and nickel plating the fins.

2, Machine the copper base, the surface finish is passivation or copper wash.

3, Combine the aluminum fins and copper base by soldering fixture, the joint is soldering paste, then put it into the reflow oven.

4, Do the thermal test to check if the thermal performance is good.

5, Install the hardware like screws and springs.

6, Inspect the appearance and packing .

Sinda Thermal is fully experienced in manufacturing the soldering aluminum fin copper base heat sink, we possess over 30 sets high speed stamping machines, over 30 sets CNC machines, we can manufacture the aluminum fins and copper base in house, also we have 2 reflow soldering ovens, the soldering process can also be completed in house, additionally we own several packing lines and over 100 employees, we have the adequet capacity and ability to produce a range of heat sinks, we are a reliable thermal partner for the global customers.

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