发明名称 SAW DEVICE, AND ITS MANUFACTURING METHOD
摘要 PROBLEM TO BE SOLVED: To provide a SAW device in which a position to mount a cover is stabilized, there is no defective article, and productivity is improved, and which is inexpensive, and also to provide its manufacturing method. SOLUTION: In a SAW device of the present invention, any one of an upper surface of a side wall 3 and a cover 13 comprises a plurality of recessed portions 8 and the other of the upper surface of the side wall 3 and the cover 13 comprises a plurality of projecting portions 14. The cover is positioned relatively to a substrate member 1 by fitting the recessed portions 8 and the projecting portions 14 with each other, so that the SAW device is obtained in which the position to mount the cover 13 is stabilized, no dispersion occurs in the position to mount the cover 13, and there is no defective article. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005184712(A) 申请公布日期 2005.07.07
申请号 JP20030426088 申请日期 2003.12.24
申请人 ALPS ELECTRIC CO LTD 发明人 TAKAGUCHI YASUSHI;WAKITA YASUMICHI
分类号 H01L23/02;H01L23/08;H03H3/08;H03H9/25;(IPC1-7):H03H9/25 主分类号 H01L23/02
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