New assembling technique for BGA packages without thermal processes

A new assembling technique for flip-chip mounting without heating processes was developed. The proposed construction is an FR4 substrate with ring shaped connectors. It is a typical flip-chip technology. The chip is placed, with its active part face-down, directly on to the connecting areas of the s...

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Veröffentlicht in:Microelectronics and reliability 2001-04, Vol.41 (4), p.611-615
Hauptverfasser: Videkov, Valentin, Tzanova, Slavka, Arnaudov, Radosvet, Iordanov, Nikolai
Format: Artikel
Sprache:eng
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