... domain and represents an electrical circuit consisting of an electromotive force VS causing a Peltier current I flow ( 17) 118 Sustainable Energy Harvesting Technologies – Past, Present and Future ... 120 Sustainable Energy Harvesting Technologies – Past, Present and Future ( Tc = Ta + Qc Rth _ hs + Rth _ Al2O3 + Rth _ Cu ) (19) Rth_hs is the thermal resistance represented by a heat sink and ... Thermal Investigations of Ics and Microstructures, Roma, Italy, October 4-6, 1999, pp .76 -81 128 Sustainable Energy Harvesting Technologies – Past, Present and Future Dziurdzia P., Kos A (2000)...