Table 2 Skin–electrode capacitance of the cEMG biomedical insulated by porous materials.

From: Characterization of capacitive electromyography biomedical sensor insulated with porous medical bandages

Porous insulators

Electrode area size, \(A\) (\({\mathrm{mm}}^{2}\))

Relative permittivity, \({\varepsilon }_{r}\)

Thickness, \(d\) (mm)

Skin–electrode capacitance, \({C}_{s}\) (pF)a

Micropore

510

1.920

0.16

54.173

Gauze

510

2.041

0.45

20.476

Crepe Bandage

510

2.753

0.88

14.123

  1. aCalculated using Eq. (1) with the \({ \varepsilon }_{0}=8.854 \times {10}^{-12} \mathrm{F}/\mathrm{m}\).
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