| 摘要 |
PROBLEM TO BE SOLVED: To provide a temperature compensation type crystal oscillator which is easily handled and excellent in productivity. SOLUTION: The temperature compensation type crystal oscillator is configured in such a way that a rectangular container body housing a crystal vibration element in the inside is fixed on a supporting base, and that an IC element for outputting an oscillation signal corresponding to the oscillation frequency of the crystal vibration element while correcting the oscillation signal on the basis of temperature compensation data, and a plurality of packaging legs disposed along the external periphery of the supporting base, are attached on the bottom surface of the supporting base. On the external peripheral region of the bottom surface of the supporting base, a writing control terminal consisting of a metallic post for writing temperature compensation data into the IC element is attached between adjacent packaging legs so as to be spaced from the packaging legs, the distance in side face between the writing control terminal and the packaging legs is set so as to be gradually wide from the outward to the inward, and a part of a resin material for covering the IC element is allowed to flow into the gap between the packaging legs and the writing control terminal. COPYRIGHT: (C)2005,JPO&NCIPI
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