M
anagement System
ISO 9001:2015
ISO 14001:2015
Marshallstraat 18c, 5705 CN Helmond
Tel:+31-655701610
soldersolutions@ishikawa-europe.com
It is a phenomenon that the line becomes narrow in soldering, when soldering a coil wire such as a relay part, an earphone, a microphone etc. Depending on the degree, it leads to failure such as disconnection.
Copper erosion causes the copper of the coil wire makes a compound with Sn in the solder and diffuses into the solder.
Since Pb-free solder contains a lot of Sn, it is easier to make erosion.
Adding a large amount of Cu into the solder alloy enables to lower the diffusion rate of Cu from the coil wire and to reduce copper erosion. We have flux cored solder wire and solder bar for measures against copper erosion, so please contact us.
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