“…For miniaturization and reliability, microwave devices are fabricated from Low/Ultra-Low Temperature Co-fired Ceramics (LTCC and ULTCC) due to their compatibility with sustainable and cheap electrodes such as Ag, Cu and Al [2,3,4,5,6]. Typically, MW ceramics have permittivity, 10 < ε r < 100, and quality factor, 2000 < Qf < 200,000, depending on the precise application along with near-zero Temperature Coefficient of resonant Frequency (TCF < ±10 MK −1 ) [7,8,9,10,11,12]. Dielectric resonators require ultra-high Qf (>40,000 GHz) and medium permittivity (20 < ε r < 50) whereas LTCC typically have low ε r (~10) and require only moderate Qf (~2000) for 3/4G mobile technology [7,8,9,10,11,12].…”