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dc.contributor.authorMohd Khairuddin, Md Arshad-
dc.contributor.authorIbrahim, Ahmad-
dc.contributor.authorAzman, Jalar-
dc.contributor.authorGhazali, Omar-
dc.contributor.authorUda, Hashim-
dc.date.accessioned2008-12-22T03:14:23Z-
dc.date.available2008-12-22T03:14:23Z-
dc.date.issued2006-09-
dc.identifier.citationJournal of Electronic Packaging, 128, 2006, pages 246-250.en_US
dc.identifier.urihttp://dspace.unimap.edu.my/123456789/3505-
dc.descriptionFulltext article is acessible via ASME Online (http://www.asme.org) or connect to A-Z Listing at http://mylib.unimap.edu.my/en_US
dc.description.abstractThis paper reports the effects of a multiple zincation processon the Al bond pad surface prior to electroless nickel immersion gold deposition. The study of multiple zincation comprises the surface topogtaphy and morphology of the appearance of the Al bond pad. In addition, by comprehension of the effects of the multiple zincation process, the study includes investigating the Al dissolution rate and adhesion strength between eutectic a 37 Pb/63 Sn solder ball and an under bump metallurgy (UBM) interface. Scanning electron microscopy, energy dispersive x-ray, atomic force microscopy, focused ion beam, and an Intellectest STORM series FA 1500 shear tester were used as analytical tools in this study. The results suggest that the first zincation process follow the contour of the initial bond pad. The second zincation produces a slightly better surface appearance with a smooth and fine Zn crystallite. The Zn crystallites become a continuous film with the deposits looking like an island formation after the third zincation. The smooth surface of the third zincation, as an effect of multiple zincation, is later transferred to Ni and Au surfaces. The smooth surface of the UBM leads to a better shear strength with only a minimum Al dissolved.en_US
dc.language.isoenen_US
dc.publisherAmerican Society of Mechanical Engineers (ASME)en_US
dc.subjectZincationen_US
dc.subjectElectroless nickel immersion gold (ENIG)en_US
dc.subjectUnder bump metallurgy (UBM)en_US
dc.subjectAluminumen_US
dc.subjectZinc oxideen_US
dc.titleThe effects of multiple zincation process on Aluminum Bond Pad surface for Electroless Nickel Immersion Gold depositionen_US
dc.typeArticleen_US
dc.identifier.urlwww.asme.org-
dc.identifier.urlhttp://mylib.unimap.edu.my/-
Appears in Collections:School of Microelectronic Engineering (Articles)
Uda Hashim, Prof. Ts. Dr.

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