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Biodegradable Electronic Systems in 3D, Heterogeneously Integrated Formats

Abstract

Biodegradable electronic systems represent an emerging class of technology with unique application possibilities, from temporary biomedical implants to “green” consumer gadgets. This paper introduces materials and processing methods for 3D, heterogeneously integrated devices of this type, with various functional examples in sophisticated forms of silicon‐based electronics. Specifically, techniques for performing multilayer assembly by transfer printing and for fabricating layer‐to‐layer vias and interconnects by lithographic procedures serve as routes to biodegradable, 3D integrated circuits composed of functional building blocks formed using specialized approaches or sourced from commercial semiconductor foundries. Demonstration examples range from logic gates and analog circuits that undergo functional transformation by transience to systems that integrate multilayer resistive sensors for in situ, continuous electrical monitoring of the processes of transience. The results significantly expand the scope of engineering options for biodegradable electronics and other types of transient microsystem technologies.

Transient 3D electronic systems follow from use of biodegradable materials and deterministic assembly of foundry‐compatible microelectronic components. Physical and electrical transience allow functional transformation upon system dissolution and disintegration, thereby expanding the scope of engineering options for biodegradable electronics and other types of transient microsystem technologies.

Authors:   Jan‐Kai Chang, Hui‐Ping Chang, Qinglei Guo, Jahyun Koo, Chih‐I Wu, John A. Rogers
Journal:   Advanced Materials
Year:   2018
Pages:   n/a
DOI:   10.1002/adma.201704955
Publication date:   19-Jan-2018
Facts, background information, dossiers
  • biodegradable materials
  • biodegradable electronics
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