| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cylinder-like press-fit sealed crystal vibrator which is improved in press-fit property, heat resistance, shock resistance or long-term reliability by enhancing plating for press-fitting, and to provide a method of manufacturing the same. <P>SOLUTION: Plating of stem and lead is formed for a base metal 10 in the order of, starting from the top, Ag layer 16, a heat-resistant barrier layer 15, lead-free alloy layer 14 and base layer 13. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
