| 摘要 |
In an electronic component having a piezo-electric resonator 10 formed on an element substrate 11 and obtaining a signal having a predetermined resonant frequency by a bulk wave propagating within a piezo-electric film 15 , a mounting substrate 19 on which the piezo-electric resonator 10 is mounted by face-down bonding through N bumps 18 , when a maximum diameter of said N bumps 18 is defined as D mum, die shear strength of said N bumps 18 is not smaller than ND/6 (g), preferably, not smaller than ND/3.6 (g).
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