Research Article

Geometry Optimization Approaches of Inductively Coupled Printed Spiral Coils for Remote Powering of Implantable Biomedical Sensors

Table 1

Design parameters limited by implant and fabrication technology.

ParametersValue

Secondary coil outer diameter )20 (mm)
Distance between coils ()30 (mm)
Minimum coils inner diameters ( and ) 5 (mm)
Minimum width of conductor ()150 (m)
Minimum spacing between conductors ()150 (m)
Operating frequency ()13.56 (MHz)
Substrate thickness ()1.5 (mm)
Conductor thickness ()38 (m)

The conductor is copper on FR4 printed circuit board.