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  4. Präzisionsgalvanik für die Flipchip-Montagetechnik
 
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1995
Journal Article
Title

Präzisionsgalvanik für die Flipchip-Montagetechnik

Title Supplement
Mikroabscheidung hochreiner Pb/Sn-Legierungen
Other Title
Precision plating for flip chip attachment
Abstract
Prerequisite for flip chip attachement are bumps, which have to be placed on one of the partners to be joined. For silicon semiconductors bumping is done normally on the ICs at wafer scale. Bumping can be performed by micro plating of vacuum deposition techniques, also mechanical methods are well known. Within this work a bumping process based on tin/lead alloy plating is reported. The alloy plating process depending on the type of electrolyte and the process parameters is discussed. Methods for bump characterisation and quality assurance are reported as an important part of the bumping process.
Author(s)
Gemmler, A.
Leonhard, W.
Richter, H.
Rueß, K.
Journal
Metalloberfläche : mo  
Language
German
Fraunhofer-Institut für Produktionstechnik und Automatisierung IPA  
Keyword(s)
  • Bonden

  • Drahtbondtechnik

  • Flip-Chip-Montagetechnik

  • Galvanisieren

  • Genauigkeit

  • Halbleiter

  • Kostensenkung

  • Legierung

  • Miniaturisierung

  • Montage

  • Präzisionsgalvanik

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