This study verifies a Low Temperature Cofired Ceramic (LTCC) material with excellent properties for radar antennas and assembly purposes. Various surface manipulation techniques are examined on thick-film printed co- and postfired Ag metallization to increase the bond strength of solder joints on two customized LTCC materials. Modified surfaces are analyzed and compared with unmodified solder pads. Both LTCCs are electrically characterized and used for simulation with a view to using silicon-ceramic technology for 79 GHz radar antennas.
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Kleinholz et al. (2024) studied this question.
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