Ga. Kyriacou et Jn. Sahalos, EFFECTS OF SUBSTRATE-SUPERSTRATE UNIAXIAL ANISOTROPY ON MICROSTRIP STRUCTURES, Electronics Letters, 30(19), 1994, pp. 1557-1558
A uniaxial anisotropy in a substrate-superstrate microstrip configurat
ion is examined. With a Wiener-Hopf type technique the reflection coef
ficient is found for a TEM wave obliquely incident at the edge of a se
mi-infinite conductor lying at the interface of the two uniaxial diele
ctrics which form a grounded double layer. A thin layer approximation
is proposed and results for the resonance length and the input impedan
ce of microstrip antennas are presented.