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Dielectric ceramic composition and dielectric resonator using the same

2026-04-04 14:202330下载
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PROBLEM TO BE SOLVED : To obtain a dielectric ceramic composition having high dielectric constant and high Q value in a high-frequency region and capable of stably controlling the temperature coefficient τf of resonance frequency to a low level. SOLUTION : This ceramic composition at least contains a rare earth element (Ln), Al, Sr and Ti as metallic elements at ratios falling within the compositional range expressed by 0.2194
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