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- aggregation classification "A1".
- aggregation creator B448988.
- aggregation creator B448989.
- aggregation creator B448990.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2011".
- aggregation format "application/pdf".
- aggregation hasFormat 1897366.bibtex.
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- aggregation isPartOf urn:issn:0018-9383.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Technology and Engineering".
- aggregation title "Polyimide-enhanced stretchable interconnects: design, fabrication, and characterization".
- aggregation abstract "This paper discusses the optimization of a stretchable electrical interconnection between integrated circuits in terms of stretchability and fatigue lifetime. The interconnection is based on Cu stripes embedded in a polyimide-enhanced (PI-enhanced) layer. Design-of-experiment (DOE) methods and finite-element modeling were used to obtain an optimal design and to define design guidelines, concerning both stripe and layer dimensions and material selection. Stretchable interconnects with a PI-enhanced layer were fabricated based on the optimized design parameters and tested. In situ experimental observations did validate the optimal design. Statistical analysis indicated that the PI width plays the most important role among the different design parameters. By increasing the PI width, the plastic strain in the Cu stripes is reduced, and thus, the stretchability and fatigue lifetime of the system is increased. The experimental results demonstrate that the PI-enhanced stretchable interconnect enables elongations up to 250% without Cu rupture. This maximum elongation is two times larger than the one in samples without PI enhancement [1]. Moreover, the fatigue life at 30% elongation is 470 times higher [2].".
- aggregation authorList BK782938.
- aggregation endPage "2688".
- aggregation issue "8".
- aggregation startPage "2680".
- aggregation volume "58".
- aggregation aggregates 1897548.
- aggregation isDescribedBy 1897366.
- aggregation similarTo TED.2011.2147789.
- aggregation similarTo LU-1897366.