发明名称 BULK ACOUSTIC WAVE RESONATOR COMPRISING A RING
摘要 An acoustic resonator includes a first electrode disposed over a substrate; a piezoelectric layer disposed over the first electrode; and a second electrode disposed over the piezoelectric layer; a passivation layer disposed over the second electrode and a ring disposed between the substrate and the passivation layer
申请公布号 US2016126930(A1) 申请公布日期 2016.05.05
申请号 US201414526466 申请日期 2014.10.28
申请人 Avago Technologies General IP (Singapore) Pte. Ltd. 发明人 Zou Qiang;Burak Dariusz
分类号 H03H9/56;H01L41/047 主分类号 H03H9/56
代理机构 代理人
主权项 1. A bulk acoustic wave (RAW) resonator device, comprising: a first electrode disposed over a substrate; a piezoelectric layer disposed over the first electrode; a second electrode disposed over the piezoelectric layer; a passivation layer disposed over the second electrode; and a ring disposed in the passivation layer.
地址 Singapore SG