Table 4: Resonant frequencies of different TM modes of high superconducting rectangular microstrip patch printed on anisotropic Sapphire over ground plane with rectangular aperture;  cm × 1 cm,  mm × 1.4 mm, = 2 mm,  S/m,  nm,  K,  nm, and  K.

Mode Resonant frequencies (GHz)Fractional change (%)
Considering anisotropy Neglecting anisotropy

TM102.9462.9091.26
TM014.0323.9671.61
TM115.2885.1971.72
TM205.6435.5671.35
TM027.6267.4532.27