发明名称 ELASTIC SURFACE WAVE UNIT
摘要 PURPOSE:To prevent the standing change of elastic surface wave element which is constituted by inserting dielectric between piezoelectric substance and interdigital type electrode, by sealing hermetically the elastic surface wave element into gas of under relative humidity 40$.
申请公布号 JPS5278340(A) 申请公布日期 1977.07.01
申请号 JP19750154120 申请日期 1975.12.25
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 ONODERA TOSHIHIRO;NOJIMA MIOJI;TAKAHASHI SADAO;TAKENO SHIYOUZOU
分类号 H03H9/25;H03H3/08;H03H9/10 主分类号 H03H9/25
代理机构 代理人
主权项
地址