Fig. 2: Fabrication and characteristics of the Ferrofabric as a stretchable magnetic backplane.
From: Unobstructive and safe-to-wear watt-level wireless charger
a Fabrication process of the Ferrofabric. b Optical microscope images of bare bamboo fabric and the Ferrofabric in undeformed and 50% stretched configurations. c The Ferrofabric under different deformations: stretching, bending, and twisting. d Stress vs. strain curves of bare fabric and Ferrofabric, with and without Tegaderm encapsulation. e Magnetization vs. magnetic field curves of the bare fabric, the ferrofluid (EMG 900), and the Ferrofabric. f Comparison of mechanical compliance and magnetic permeability with conventional stretchable magnetic composites. g Schematic illustration of the long-term measurement of a Cu coil on Ferrofabric. h Relative changes in resistance and inductance of a Cu coil on Ferrofabric over 91 days.
