Heat sinks play an important role in cooling electronic and mechanical devices. They act as passive heat exchangers, transferring heat from the hot components to a fluid medium (usually air).
There are many different types of heat sinks. Some heat sinks are made from copper and some are made from aluminum. But, most commonly, heat sinks are made through the process of aluminum extrusion. And these extruded heat sinks are also commonly anodized.
Why is this the case? What benefits does anodizing offer? Let’s first talk about how anodizing works and then the benefits it offers.
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