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Textured LTCC substrates for printed antenna miniaturization and bandwidth improvement

The use of textured low temperature cofiring ceramics (LTCC) substrates for printed antennas is presented. An aperture fed patch antenna resonating at 1.56 GHz is developed and analyzed. This antenna has a volume reduction by a factor of 10 as compared to patches on traditional dielectrics. Moreover, measurements of the gain and return loss show that miniaturization has remarkably little effect on the gain value and bandwidth.