发明名称 TUNING FORK TYPE PIEZOELECTRIC RESONATOR
摘要 PURPOSE:To improve frequency-temperature characteristics and obtain a tuning fork type flexing crystal resonator by depositing a substance of a coefficient of thermal expansion extremely different from that of a piezoelectric resonator on the surface of said piezoelectric resonator through plating or evaporation.
申请公布号 JPS52137990(A) 申请公布日期 1977.11.17
申请号 JP19760055148 申请日期 1976.05.14
申请人 SEIKO INSTR & ELECTRONICS 发明人 KAWASHIMA HIROFUMI
分类号 H03H9/02;H03H9/21 主分类号 H03H9/02
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