公开(公告)号：US07515017B2

公开(公告)日：2009-04-07

申请号：US11400403

申请日：2006-04-10

申请人： Toshio Nishizawa ,  Koichi Hatano

发明人： Toshio Nishizawa ,  Koichi Hatano

IPC分类号： H03H9/72 ,  H03H9/64

CPC分类号： H03H9/1071 ,  H03H9/0057 ,  H03H9/02874 ,  H03H9/145 ,  H03H9/6436 ,  H03H9/6463

摘要： A surface acoustic wave device having a surface acoustic wave filter having a comb-shaped electrode pattern formed on a piezoelectric element, electrode terminals for inputting and outputting of the surface acoustic wave filter are connected with corresponding electrode patterns of a package through bumps, wherein the comb-shaped electrode pattern has a pair of reflective electrodes, and an input comb-shaped electrode and an output comb-shaped electrode disposed between the pair of reflective electrodes; and an electrode terminal of either the input comb-shaped electrode or an output comb-shaped electrode is disposed such that the electrode terminal is positioned on the side opposite to the side of the other electrode terminal sandwiching a grounded electrode using a routing pattern.

摘要翻译： 具有形成在压电元件上的梳状电极图案的表面声波滤波器的表面声波器件，用于输入和输出声表面波滤波器的电极端子通过凸块与封装的对应电极图案相连，其中， 梳状电极图案具有一对反射电极和设置在该对反射电极之间的输入梳状电极和输出梳状电极; 并且输入梳状电极或输出梳状电极的电极端子被设置为使得电极端子位于与使用布线图案夹住接地电极的另一个电极端子的侧面相反的一侧。