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    • 1. 发明授权
    • Composition for acoustic damping
    • 用于声学阻尼的组合
    • US08210046B2
    • 2012-07-03
    • US12187799
    • 2008-08-07
    • Wei LuoPaul Aloysius Meyer
    • Wei LuoPaul Aloysius Meyer
    • G01N29/28
    • C08K7/04C08K3/36
    • In one embodiment of the invention, a composition for a damping wedge in an ultrasonic probe having a wedge body is disclosed, the composition including: a viscoelastic material having a ratio of the imaginary part to the real part of the modulus of elasticity of at least about 5% and an acoustic impedance less than that of the wedge body; a filament-shaped filler in an effective amount to provide good dispersability in the viscoelastic material and to substantially match the acoustic impedance of the damping wedge to the wedge body; and a viscosity enhancer in an effective amount to increase the viscosity of the composition to maintain a homogenous distribution of the filament-shaped filler by preventing the filament-shaped filler from settling.
    • 在本发明的一个实施方案中,公开了一种用于具有楔形体的超声波探头中的阻尼楔块的组合物,所述组合物包括:至少具有弹性模量的虚部与实部的比例的粘弹性材料 约5%,声阻抗小于楔体的声阻抗; 有效量的丝状填料,以在粘弹性材料中提供良好的分散性,并将阻尼楔的声阻基本上与楔体相匹配; 和有效量的粘度增强剂,以增加组合物的粘度,通过防止丝状填料的沉降来保持丝状填料的均匀分布。
    • 10. 发明申请
    • COMPOSITION FOR ACOUSTIC DAMPING
    • 用于呼吸阻滞的组合物
    • US20090049918A1
    • 2009-02-26
    • US12187799
    • 2008-08-07
    • Wei LUOPaul Aloysius Meyer
    • Wei LUOPaul Aloysius Meyer
    • G01B17/00F16F15/00
    • C08K7/04C08K3/36
    • In one embodiment of the invention, a composition for a damping wedge in an ultrasonic probe having a wedge body is disclosed, the composition comprising: a viscoelastic material having a ratio of the imaginary part to the real part of the modulus of elasticity of at least about 5% and an acoustic impedance less than that of the wedge body; a filament-shaped filler in an effective amount to provide good dispersability in the viscoelastic material and to substantially match the acoustic impedance of the damping wedge to the wedge body; and a viscosity enhancer in an effective amount to increase the viscosity of the composition to maintain a homogenous distribution of the filament-shaped filler by preventing the filament-shaped filler from settling.
    • 在本发明的一个实施方案中,公开了一种用于具有楔形体的超声波探头中的阻尼楔块的组合物,该组合物包括:至少具有弹性模量的虚部与实部的比例的粘弹性材料 约5%,声阻抗小于楔体的声阻抗; 有效量的丝状填料,以在粘弹性材料中提供良好的分散性,并将阻尼楔的声阻基本上与楔体相匹配; 和有效量的粘度增强剂,以增加组合物的粘度,通过防止丝状填料的沉降来保持丝状填料的均匀分布。