Crystal resonator
专利汇可以提供Crystal resonator专利检索，专利查询，专利分析的服务。并且PURPOSE:To improve the shock resistance and to prevent the deterioration of characteristics due to the secular change, by forming the electrode plates to a recess surface adhered to both sides of a crystal plate and having an electrode film formed on the counter surface. CONSTITUTION:A pair of electrode plate 2 are formed with adhesion to both sides of a crystal plate 1. The counter surface of each plate 2 to the plate 1 is formed into a recess surface 21 containing an electrode film 22. In this case, the total thickness of a resonator can be reduced down to about 0.25mm.. This increases the mechanical strength of the resonator. Furthermore the film 22 is led outside to secure the thickness-shear vibrations. Then the vibrations of the plate 1 are never disturbed since the film 22 is set opposite to the plate 1 via a gap. In addition, the resonator is free from any effect of the secular change due to oxidation of the electrode, etc.，下面是Crystal resonator专利的具体信息内容。
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