Design of a Small Modified Minkowski Fractal Antenna for Passive Deep Brain Stimulation Implants

Table 1

The parameters of the biological tissues at 2.4 GHz and 5.8 GHz [14].

Tissue	Skin		Fat		Muscle
Frequency (GHz)	2.4	5.8	2.4	5.8	2.4	5.8
Permittivity	38.1	35.1	10.8	9.86	52.8	48.5
Conductivity	1.44 s/m	3.72 s/m	0.26 s/m	0.83 s/m	1.71 s/m	4.96 s/m
Mass density	1080 kg/m^3		920 kg/m^3		1050 kg/m^3