Soldering: the technology
There are two different approaches to soldering:
- In soft soldering, the melting point is below 450 °C.
- In hard soldering, or brazing, the melting point is above 450 °C.
A metal alloy that melts easily, the so-called solder, is used to form the joint. The process engineering for soldering includes automatic, programmable solder feed and a wide variety of sensors for process monitoring.
One special application is soldering in a vacuum or shielding gas. These processes are used to ensure that stringent cleanliness requirements are met, e.g. for semiconductor assembly or in the production of high vacuum systems or electron tubes.
Soldering: the advantages
Soldered joints between two metal parts provide these benefits above all else:
- High stability
- Corrosion resistance
- The joint conducts electricity and heat
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