Mechanical Designs for Inorganic Stretchable Circuits in Soft Electronics

Mechanical concepts and designs in inorganic circuits for different levels of stretchability are reviewed in this paper, through discussions of the underlying mechanics and material theories, fabrication procedures for the constituent microscale/nanoscale devices, and experimental characterization....

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Bibliographic Details
Published in:IEEE transactions on components, packaging, and manufacturing technology (2011) packaging, and manufacturing technology (2011), 2015-09, Vol.5 (9), p.1201-1218
Main Authors: Shuodao Wang, Yonggang Huang, Rogers, John A.
Format: Article
Language:English
Subjects:
Biomimicking electronics
buckling
Circuits
Design
Design engineering
Devices
Elastomers
Electronics
Gallium arsenide
inorganic semiconductor
Integrated circuit interconnections
Manufacturing
Packaging
Plastic deformation
Semiconductors
Silicon
Strain
Stretchability
stretchable electronics
Substrates
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Summary:Mechanical concepts and designs in inorganic circuits for different levels of stretchability are reviewed in this paper, through discussions of the underlying mechanics and material theories, fabrication procedures for the constituent microscale/nanoscale devices, and experimental characterization. All of the designs reported here adopt heterogeneous structures of rigid and brittle inorganic materials on soft and elastic elastomeric substrates, with mechanical design layouts that isolate large deformations to the elastomer, thereby avoiding potentially destructive plastic strains in the brittle materials. The overall stiffnesses of the electronics, their stretchability, and curvilinear shapes can be designed to match the mechanical properties of biological tissues. The result is a class of soft stretchable electronic systems that are compatible with traditional high-performance inorganic semiconductor technologies. These systems afford promising options for applications in portable biomedical and health-monitoring devices. Mechanics theories and modeling play a key role in understanding the underlining physics and optimization of these systems.
ISSN:2156-3950
2156-3985
DOI:10.1109/TCPMT.2015.2417801