image of the liquid-metal pattern after encapsulation (50 width). (d) Magnified view of μm (c). Figure S3. Circuit designs and specification of the inductive coil. (a) Circuit diagram of the NFC device. (b) Design of the coil and device. (c) Table showing the specification of the liquid metal coil. Di, Do, N, L, Ct, and R1 are the inner diameter, outer diameter, the number of turns of the coil, tuning capacitance, and resistance of the commercial SMD, respectively. Figure S4. Cross-sectional SEM images of the liquid metal microchannel (a) SEM image of the liquid metal coil embedded in a PDMS matrix. (b) Magnified cross-sectional image of the liquid metal coil. (c) Cross-sectional SEM image of the strain sensor. Figure S5. (a) Successive images of liquid patterning process via selective wetting of reduced GaInSn using NaOH. (b) Screen printing of GaInSn without NaOH treatment. Figure S6. Initial resistance of the patterned liquid metal strain sensors. (a) Initial resistance values of the strain sensors for various lengths with the same line width (70 (b) Initial μm).
image of the liquid-metal pattern after encapsulation (50 μm width). (d) Magnified view of (c). Figure S3. Circuit designs and specification of the inductive coil. (a) Circuit diagram of the NFC device. (b) Design of the coil and device. (c) Table showing the specification of the liquid metal coil. Di, Do, N, L, Ct, and R1 are the inner diameter, outer diameter, the number of turns of the coil, tuning capacitance, and resistance of the commercial SMD, respectively. Figure S4. Cross-sectional SEM images of the liquid metal microchannel (a) SEM image of the liquid metal coil embedded in a PDMS matrix. (b) Magnified cross-sectional image of the liquid metal coil. (c) Cross-sectional SEM image of the strain sensor. Figure S5. (a) Successive images of liquid patterning process via selective wetting of reduced GaInSn using NaOH. (b) Screen printing of GaInSn without NaOH treatment. Figure S6. Initial resistance of the patterned liquid metal strain sensors. (a) Initial resistance values of the strain sensors for various lengths with the same line width (70 μm). (b) Initial
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