| 摘要 |
PROBLEM TO BE SOLVED: To obtain a means that thins the thickness of a base of a vibrator package for cold press bonding or resistance welding. SOLUTION: Deep drawing is applied to a metallic plate to obtain a package, a flange for cold press bonding is formed to its opening, holes are made to a thick part of the bottom of the package and lead terminals are air-tightly penetrated through the holes by using a glass material to obtain the base.
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