Mechanics of epidermal electronics

Shuodao Wang, Ming Li, Jian Wu, Dae Hyeong Kim, Nanshu Lu, Yewang Su, Zhan Kang, Yonggang Huang, John A. Rogers

Research output: Contribution to journalArticlepeer-review


Epidermal electronic system (EES) is a class of integrated electronic systems that are ultrathin, soft, and lightweight, such that it could be mounted to the epidermis based on van der Waals interactions alone, yet provides robust, intimate contact to the skin. Recent advances on this technology will enable many medical applications such as to monitor brain or heart activities, to monitor premature babies, to enhance the control of prosthetics, or to realize human-machine interface. In particular, the contact between EES and the skin is key to high-performance functioning of the above applications and is studied in this paper. The mechanics concepts that lead to successful designs of EES are also discussed. The results, validated by finite element analysis and experimental observations, provide simple, analytical guidelines for design and optimization of EES with various possible functionalities.

Original languageEnglish (US)
Article number031022
JournalJournal of Applied Mechanics, Transactions ASME
Issue number3
StatePublished - 2012


  • electronics
  • epidermis
  • interfacial contact
  • work of adhesion

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics


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