Aufschmelzen von Lot in Folienform ermöglichen auch die Herstellung dickerer
Lotschichten ( > 15 μm ).
The main advantage of hot tinning of copper and copper alloys as compared to tin electroplating is the formation of an inter-metallic copper-tin phase (Cu<sub>3</sub>Sn, Cu<sub>6</sub>Sn<sub>5</sub>) at the boundary between the carrier material and the tin layer. This thin (0.3 – 0.5 μm) intermediate layer, which is formed during the thermal tinning process, is rather hard and reduces in connectors the frictional force and mechanical wear. Tin coatings produced by hot tinning have a good adhesion to the substrate material and do not tend to tin whisker formation.
Der Vorteil der Feuerverzinnung gegenüber einer galvanischen Verzinnung liegt
Hartgoldschichten, die in Steckverbindern zusätzlich auf den eigentlichen
Kontaktschichten aufgebracht werden.
Among the various contact lubricants offered on the market contact lubrication oils have shown performance advantages. They are mostly synthetic, chemically inert, and silicone-free oils such as for example the DODUCONTA contact lubricants which differ in their chemical composition and viscosity.
Aus der Vielzahl der angebotenen Schmiermittel haben sich besonders
