COPPER PILLAR BUMP STRUCTURE AND MANUFACTURING METHOD THEREFOR

A method for manufacturing a metal bump device includes providing a substrate structure including a substrate and a metal layer having a recess on the substrate, forming a metal bump on the recess of the metal layer using a ball placement process, and forming a solder paste on the metal bump using a...

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Bibliographische Detailangaben
Hauptverfasser: XUE, XINGTAO, HO, CHIH CHING
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for manufacturing a metal bump device includes providing a substrate structure including a substrate and a metal layer having a recess on the substrate, forming a metal bump on the recess of the metal layer using a ball placement process, and forming a solder paste on the metal bump using a printing process. The manufacturing time is shorter, the manufacturing efficiency is higher, and the manufacturing cost is lower than conventional manufacturing methods.