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A. Yoshida, J. Taniguchi, K. Murata, M. Kada, Y. Yamamoto, Y. Takagi, T. Notomi, A. Fujita (2006)
A study on package stacking process for package-on-package (PoP)56th Electronic Components and Technology Conference 2006
Chien-Yi Huang (2013)
Package-on-Package Assembly Yield Assessment in the ODM/EMS Environment Using Monte Carlo SimulationIEEE Transactions on Components, Packaging and Manufacturing Technology, 3
J. Sitek, W. Stęplewski, K. Janeczek, M. Kościelski, K. Lipiec, Piotr Ciszewski, Tomasz Krzaczek (2015)
Influence of assembly parameters on lead-free solder joints reliability in Package-on-Package (PoP) technologySoldering & Surface Mount Technology, 27
H. Eslampour, M. Joshi, Seong-Su Park, HanGil Shin, JaeHan Chung (2013)
Advancements in Package-on-Package (PoP) technology, delivering performance, form factor & cost benefits in next generation Smartphone processors2013 IEEE 63rd Electronic Components and Technology Conference
I. Mohammed, R. Co, R. Katkar (2013)
Package-on-package with very fine pitch interconnects for high bandwidth2013 IEEE 63rd Electronic Components and Technology Conference
Purpose – The purpose of this paper is to present challenges met during package-on-package (PoP) technology implementation in real surface-mount technology assembly processes. Design/methodology/approach – The properties and behavior of different combinations of soldering materials, PoP components and soldering profiles were investigated, both in the laboratory and during production trials. The purpose of such an approach was identification of existing problems and challenges in lead-free PoP systems assembly as well as checking which soldering material designed to PoP is more suitable for this technology. Findings – Technological trials are needed to select adequate soldering materials for PoP systems assembly, as laboratory tests of materials alone were not sufficient. The challenges of PoP technology were associated with the equipment utilized, the soldering materials, operational parameters and the soldering profile used for assembly. The localization of defects in PoP systems is very difficult and, in many cases, destructive methods have to be used on solder joints for the assessment and confirmation of failures. Originality/value – This paper shows main materials and soldering challenges in lead-free PoP technology. In particular, the problem related with selection of soldering materials and soldering profiles for PoP was presented. Moreover, the issues that have to be taken into consideration during the planning of a PoP system assembly procedure are presented.
Soldering & Surface Mount Technology – Emerald Publishing
Published: Jun 1, 2015
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