“Soldering” is defined as the process of joining two pieces of metals using a filler metal, known as solder, having a low melting point below the melting point of the work piece. It is often confused with welding but the difference between them is, in soldering the work piece is not melted, they are joined using a filler metal, but in welding work piece is joined by melting.
Soldering was widely performed around 4000 years ago when tin was discovered as soldering metal. The process of soldering was introduced in Mediterranean region, and was followed in the Roman Empire, Swiss and Hungaria. Soldering has improved a lot from culture to culture and generation to generation and in today’s scenario it is the best method for fabrication and assembly of microelectronics.
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