Contents I. Introduction
LTCC Microstrip patch antennas have been widely used in recent years because of their good characteristics; they are electrically thin, lightweight, low cost, and conformable and beside these properties these structure possess wider bandwidth as compared to conventional patch antennas [1]–[4]. The first step in design of microstrip patch antenna is to choose a suitable dielectric substrate. So far, microstrip patch antennas have been mostly fabricated on substrates such as FR4, Rogers and Duroid which typically exhibit permittivity no greater than 10 [5]–[6]. LTCC materials also possess low permittivities and also provide low loss over wide frequency range [7].
