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    • 74. 发明授权
    • First and second orders temperature-compensated resonator
    • 第一和第二阶温度补偿谐振器
    • US08724431B2
    • 2014-05-13
    • US13156648
    • 2011-06-09
    • Thierry HesslerSilvio Dalla Piazza
    • Thierry HesslerSilvio Dalla Piazza
    • G04F1/04
    • H03H9/02448G04F5/063H03H9/02023H03H9/02102H03H9/215H03H2003/027H03H2003/0407H03H2009/241
    • A temperature-compensated resonator includes a body used in deformation, wherein the core (58, 58′, 18) of the body (3, 5, 7, 15, 23, 25, 27, 33, 35, 37, 43, 45, 47) is formed from a plate formed at a cut angle (θ′) in a quartz crystal determining the first and second orders temperature coefficients (α, β, α′, β′). According to the invention, the body (3, 5, 7, 15, 23, 25, 27, 33, 35, 37, 43, 45, 47) includes a coating (52, 54, 56, 52′, 54′, 56′, 16) deposited at least partially on the core (58, 58′, 18) and having first and second orders Young's modulus variations (CTE1, CTE2, CTE1′, CTE2′) according to temperature of opposite signs respectively to the first and second orders temperature coefficients (α, β, α′, β′) of the resonator so as to render compensated first and second orders temperature coefficients substantially zero.
    • 温度补偿谐振器包括用于变形的主体,其中主体(3,5,7,15,23,25,27,33,35,37,43,45)的芯体(58,58',18) ,47)由在确定第一和第二阶温度系数(α,&bgr;α',&bgr'')的石英晶体中以切割角度形成的板(“the”s“)形成。 根据本发明,身体(3,5,7,15,23,25,27,33,35,37,43,45,47)包括涂层(52,54,56,52',54', 56',16)至少部分地沉积在所述芯部(58,58',18)上,并且具有根据相反符号的温度的第一和第二阶次杨氏模量变化(CTE1,CTE2,CTE1',CTE2')到第一 和谐振器的第二阶温度系数(α,&bgr;α',&bgr“),以使补偿的第一和第二阶温度系数基本上为零。