Prevention and control of intermetallic alloy inclusions

In using Ni(P) and Sn-rich solders in Pb free interconnections, the prevention and control of the formation of intermetallic compound inclusions, can be achieved through a reaction preventive or control layer that is positioned on top of an electroless Ni(P) metallization, such as by application of...

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Bibliographische Detailangaben
Hauptverfasser: SON YOONUL, KANG SUNG KWON, SHIH DA-YUAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In using Ni(P) and Sn-rich solders in Pb free interconnections, the prevention and control of the formation of intermetallic compound inclusions, can be achieved through a reaction preventive or control layer that is positioned on top of an electroless Ni(P) metallization, such as by application of a thin layer of Sn on the Ni(P) or through the application of a thin layer of Cu on the Ni(P).