摘要 |
To provide high reliable surface mounting oscillator that solder does not leak out by heat from the oscillator. The base print board with a terminal on the first surface and a concave on the second surface which is the opposite side of the first surface, the metal strut fixed to the concave, the sub print board has piezoelectric vibrator supported by the metal strut, the base print board, the cover which covers the metal strut and the sub print board.
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