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Temperature insensitive piezoelectric resonator mounting

阅读:742发布:2023-03-23

专利汇可以提供Temperature insensitive piezoelectric resonator mounting专利检索,专利查询,专利分析的服务。并且A bar of x-y oscillating quartz is suspended in a casing under vacuum by two pairs of suspension wires fixed on opposite faces of the bar, centrally facing ends of each pair of wires being fixed to a respective bar section each secured to a single respective support filament passing through a central insulating part of the casing base. Final adjustment of the frequency is effected by the deposit of material onto the ends of the quartz bar after mounting same, but prior to encapsulation and evacuation.,下面是Temperature insensitive piezoelectric resonator mounting专利的具体信息内容。

1. A piezoelectric resonator comprising a casing having a base member; an elongated bar of piezoelectric material suspended in said casing and extending parallel to said base member, said resonator being under vacuum to oscillate in the x-y mode; a first pair of suspension wires fixed on one longitudinal face of said bar, and a second pair of suspension wires symmetrically fixed on an opposite longitudinal face of said bar, said first and second pairs of wires each being connected to the same point on a single respective support filament passing through the base of said casing; said support filaments preventing generation of longitudinal stresses in said bar despite variations in the length of said casing.
2. A resonator according to claim 1, in which the two support filaments pass through a common electrically insulating support member located centrally in said base.
3. A resonator according to claim 1, in which each of said pairs of suspension wires are connected by a bar section secured to the respective support filament.
4. A resonator according to claim 1, in which said support filaments are formed by two pins of a transistor base plate centrally fixed in said base.
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