| 摘要 |
PROBLEM TO BE SOLVED: To improve the quality of sealing while holding a sealing state in a sealing process for sealing a miniaturized vibrator by thermal fusion. SOLUTION: An electronic component case realizes a sealed case by covering a case body for storing an electronic component with a cover body by fusion sealing, and forming a step shape on the center of the cover body so that the cover body is engaged with the case body. A sealing material consisting of alloy plating is applied to a range from the step of the cover body up to the peripheral end of the cover body. COPYRIGHT: (C)2006,JPO&NCIPI
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