| 摘要 |
Embodiments of the present invention are directed to metallic solderability preservation coating on connectors of semiconductor package to prevent oxide. Singulated semiconductor packages can have contaminants, such as oxides, on exposed metal areas of the connectors. Oxidation typically occurs on the exposed metal areas when the semiconductor packages are not stored in appropriate environments. Copper oxides prevent the connectors from soldering well. An anti-tarnish solution of the present invention is used to coat the connectors during sawing, after sawing, or both of a semiconductor array to preserve metallic solderability. The anti-tarnish solution is a metallic solution, which advantageously allows the semiconductor packages to not need be assembled immediately after fabrication.
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