发明名称 ELASTIC SURFACE WAVE ELEMENT
摘要 PURPOSE:To improve unwanted reflection wave effect without increasing the number of manufacturing process by forming discontinuous area against elastic surface wave through such method as evaporation, etching, etc. which are used for formation of comb-shaped electrode or film.
申请公布号 JPS5287953(A) 申请公布日期 1977.07.22
申请号 JP19760005164 申请日期 1976.01.19
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 SETSUNE KENTAROU
分类号 H03H9/25;H03H3/08;H03H9/02 主分类号 H03H9/25
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