Table 3: Resonant frequencies of high superconducting rectangular microstrip patch printed on anisotropic Pyrolytic boron nitride over ground planes with and without rectangular apertures;  cm × 1 cm, = 1 mm,  S/m,  nm,  K,  nm, and  K.

Aperture size Resonant frequencies (GHz)Fractional change (%)
Considering anisotropy Neglecting anisotropy

07.3997.5311.78
7.0447.1651.72
5.9356.0521.97
4.9555.0892.70
4.2774.5105.45