Structure and material of copper sleeve tungsten needle
The copper sleeve tungsten needle consists of two parts: a copper sleeve and a tungsten needle. Among them, the copper sleeve is a copper alloy material with excellent electrical conductivity and thermal conductivity, which can effectively transfer heat and avoid overheating of the tungsten needle. The tungsten needle is made of high-purity tungsten powder through pressing, sintering and processing, and has high hardness, high wear resistance and good corrosion resistance.
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