Journal
JOURNAL OF MICRO-NANOLITHOGRAPHY MEMS AND MOEMS
Volume 13, Issue 1, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JMM.13.1.011202
Keywords
integrated circuits; interconnects; metrology; scanning microscopy
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Funding
- German Bundesministerium fur Bildung und Forschung [13N10972]
- ENIAC Joint Undertaking
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Today three-dimensional system-in-package integration together with advanced interconnect technologies based on through silicon vias, through encapsulant vias, and microbumps are considered some of the most promising enabling technologies for More than Moore solutions. These technologies involve vertical die stacking or chip embedding with high-density interconnects and are based on combinations of process steps that come from formerly strictly separated technology areas. Thus, there is an increasing need to understand a large number of different interface properties, to control and optimize processes, and to avoid defect formation that could affect reliability. This complexity, in terms of design, new materials, and material combinations, also requires the development of new failure analysis tools to support these developments. The application potential of a new fast plasma focused ion beam (FIB) system for metrology and failure analysis is demonstrated in several selected case studies. The higher material removal rate of this system improves the range of application fields and/or the analysis throughput. This makes the plasma-FIB a very attractive tool for the analysis of relatively large interconnect structures without any need for mechanical preparation steps. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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