Mechanics of the Manufacture, Stretchability and

Bio-Integration of Stretchable Electronics

NanshuLu

University of Texas at Austin

报告摘要：Bio-integrated electronics has demonstrated exciting applications in

wearable health monitors, surgical tools, as well as human-machine

interfaces. Strategies for bio-integrated electronics must overcome

challenges associated with the mismatch between the hard, planar

surfaces of brittle semiconductor wafers and the soft, curvilinear tissues

of dynamic biological systems. Although soft, stretchable electronics

have been developed by integrating inorganic functional materials

strategically onto soft polymeric substrates, their manufacture and

performance are usually limited by the failure of stiff electronic materials

such as metal, silicon and oxide under large deformation. This talk

discusses the fundamental mechanics of the manufacture, reliability, and

bio-integration of stretchable, tissue-like electronics. Example problems

include the transfer-printing of nanomembranes, the stretchability and

compliance of serpentine-shaped ribbons, and the adhesion and

conformability of stretchable electronics on bio-tissues. Electronic skin

patches manufactured in Dr. Lu’s group will be available to the audience

for show and tell.

Talk outline:

1. Introduction and motivation of bio-integrated electronics

2. Mechanics for the transfer-printing of nanomembranes

3. Mechanics of serpentines as stretchable electrodes

4. Conformability of elastic membranes on corrugated surfaces

5. Conclusion and outlook