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    • 1. 发明授权
    • Ultra-thin piezoelectric resonator
    • 超薄压电谐振器
    • US06426537B2
    • 2002-07-30
    • US09734681
    • 2000-12-13
    • Kurt SchulthessThomas Lüthi
    • Kurt SchulthessThomas Lüthi
    • H01L2984
    • H03H9/1035H01L24/33H01L2924/12042H03H9/0595H01L2924/00
    • Encapsulated piezoelectric resonator including on the one hand a central plate (5) made of a piezoelectric material cut to form a frame (6) and a central resonant element (9) connected to said frame (6), the top and bottom faces having a metal coating, on the other hand bottom (11) and top (16) covers, each being formed by a spacing frame (12, 17) made of metal or a metal alloy and a closing plate (14, 19), characterised in that at least one of the elements (12, 14, 17, 19) forming the covers (11, 16) is electrically connected to the frame (6) of the central plate (5) and has an extension (10, 13, 18, 20) bent into a Z shape to bring its distal portion (10a, 13a, 18a, 20a) in line with a covering plate (14, 19) and to form electrical and mechanical connection means situated in a same plane.
    • 封装的压电谐振器一方面包括由切割以形成框架(6)的压电材料制成的中心板(5)和连接到所述框架(6)的中心谐振元件(9),所述顶面和底面具有 金属涂层,另一方面是由金属或金属合金制成的间隔框架(12,17)和封闭板(14,19)形成的底部(11)和顶部(16)盖,其特征在于, 形成盖(11,16)的元件(12,14,17,19)中的至少一个电连接到中心板(5)的框架(6),并且具有延伸部(10,13,18) 20)弯曲成Z形以使其远端部分(10a,13a,18a,20a)与覆盖板(14,19)成一直线并且形成位于同一平面中的电气和机械连接装置。