Solder composition for electronic devices

Each of junctions formed between a semiconductor device and a substrate comprises metal balls of Cu, or other materials and compounds of Sn and the metal balls, and the metal balls are bonded together by the compounds.

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Bibliographische Detailangaben
Hauptverfasser: Soga, Tasao, Shimokawa, Hanae, Nakatsuka, Tetsuya, Miura, Kazuma, Negishi, Mikio, Nakajima, Hirokazu, Endoh, Tsuneo
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Each of junctions formed between a semiconductor device and a substrate comprises metal balls of Cu, or other materials and compounds of Sn and the metal balls, and the metal balls are bonded together by the compounds.