发明名称 |
Saw device and its manufacturing method |
摘要 |
A SAW device comprising an inter-digital electrode capable of withstanding application of excessive electric power, while preventing an increase of insertion loss. The SAW device has an inter-digital electrode formed by alternating layers of aluminum films and conductive films, where the conductive films have an elastic constant greater than that of the aluminum films.
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申请公布号 |
US5844347(A) |
申请公布日期 |
1998.12.01 |
申请号 |
US19960704209 |
申请日期 |
1996.08.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAKAYAMA, RYOICHI;KURAMASU, KEIZABURO;SUGAWA, TOSHIO |
分类号 |
H03H3/08;H03H9/02;H03H9/145;(IPC1-7):H03H9/25 |
主分类号 |
H03H3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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