Changes

currents < 2 A ''(Table 2.16)''. Electroplated silver coatings are widely used to reduce the contact resistance and improve the brazing behavior of other contact materials and components.

<table border="1" cellspacing="0" style="border-collapse:collapse"><tr><td><p class="s12">Designation</p></td><td><p class="s12">Composition minimum Ag [wt%]</p></td><td><p class="s12">Impurities</p><p class="s12">[ppm]</p></td><td><p class="s12">Notes on Usage</p></td></tr><tr><td><p class="s12">Spectroscopically</p><p class="s12">Pure Ag</p></td><td><p class="s11">99.999</p></td><td><p class="s11">Cu &lt; 3</p><p class="s11">Zn &lt; 1</p><p class="s11">Si &lt; 1</p><p class="s11">Ca &lt; 2</p><p class="s11">Fe &lt; 1</p><p class="s11">Mg &lt; 1</p><p class="s11">Cd &lt; 1</p></td><td><p class="s12">Sheets, strips, rods, wires for electronic applications</p></td></tr><tr><td><p class="s12">High Purity Ag, oxygen-free</p></td><td><p class="s11">99.995</p></td><td><p class="s11">Cu &lt; 30</p><p class="s11">Zn &lt; 2</p><p class="s11">Si &lt; 5</p><p class="s11">Ca &lt; 10</p><p class="s11">Fe &lt; 3</p><p class="s11">Mg &lt; 5</p><p class="s11">Cd &lt; 3</p></td><td><p class="s12">Ingots, bars, granulate for alloying</p><p class="s12">purposes</p></td></tr></table>

Table 2.12: Quality Criteria of Differently Manufactured Silver Powders