Flexible antenna coil for biological tissues

researcher's name
research field
Biomedical engineering/Biomaterial science and engineering


● Flexible electronics conformable to the biological tissues.
● The substrates are limited because of thermal treatment for the preparation of low resistive printed line.
● Especially, to apply the medical polymers (polyester, weak heat durability) as the device substrates is important.


● An inkjet-printed line was annealed at 250℃ for realizing low resistive (2.9×10-5 Ω・cm) on a glass substrates.
● A low resistive printed line was transferred onto the low heat durable materials (Tg: 56℃) thanks to the cleavage of the multi-stacked graphene flakes.


● The thin film antenna coil was so flexible that it worked even when the device was twisted or folded.
● The antenna coil was adhesive to the biological tissues without any glues.
● This technology enables mounting the low resistive printed line witch was thermal-treated at high temperature on the medical polymer substrates (weak heat durability).


● The application as the thin film printed circuits with little interferes to the deformation of soft materials.
● Wireless thin film bio devices.
● Hybridization with the flexible devices to be battery-free.

collaborative researchers

FUJIE, Toshinori Guest Researcher (retired) , 鉄 祐磨 (理⼯学術院 ⽣命医科学科)

posted: 2019/04/22