First-level interconnects with slender columns, and processes of forming same

A column is coupled to a last metallization of a die and the column is mated to a mounting substrate with that aid of a solder. The column may have the solder attached thereto before mating to the mounting substrate and the mounting substrate may be a bare-board (no solder mask) during the mating pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GANESAN SANKA, HARRIES RICHARD J, SHARAN SUJIT
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A column is coupled to a last metallization of a die and the column is mated to a mounting substrate with that aid of a solder. The column may have the solder attached thereto before mating to the mounting substrate and the mounting substrate may be a bare-board (no solder mask) during the mating process. The column has an aspect ratio between 0.75 and 10.