Optimization of the Coupling Coefficient of the Inductive Link for Wireless Power Transfer to Biomedical Implants

Table 3

Dielectric properties of tissues (f_p = 25 MHz).

Tissue	Relative permittivity	Conductivity (S/m)	Dielectric loss tangent
Muscle	89.3	0.56	4.53
Bone	22.5	0.05	1.62