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    • 1. 发明授权
    • High frequency ultrasound transducers based on ceramic films
    • 基于陶瓷膜的高频超声换能器
    • US08063540B2
    • 2011-11-22
    • US11074990
    • 2005-03-08
    • Bjørn A. J. AngelsenTonni F. JohansenHelge Kristiansen
    • Bjørn A. J. AngelsenTonni F. JohansenHelge Kristiansen
    • H04R17/00
    • B06B1/0692H01L2224/16225H01L2224/48091H01L2224/73253H01L2224/73265H01L2924/00014
    • A design and a manufacturing method of ultrasound transducers based on films of ferro-electric ceramic material is presented, the transducers being particularly useful for operating at frequencies above 10 MHz. The manufacturing technique can involve tape-casting of the ceramic films, deposition of the ceramic films onto a substrate with thick film printing, sol-gel, or other deposition techniques, where manufacturing methods for load matching layers and composite ceramic layers are described. The designs also involve acoustic load matching layers that provide particularly wide bandwidth of the transducers, and also multi-band operation of the transducers. The basic designs can be used for elements in a transducer array, that provides the frequency characteristics of the single element transducers, for array steering of the focus and possibly also direction of a pulsed ultrasound beam at high frequencies and multi-band frequencies.
    • 提出了一种基于铁电陶瓷材料薄膜的超声换能器的设计和制造方法,该换能器对于在10MHz以上的频率下工作特别有用。 制造技术可以涉及陶瓷膜的流延,用厚膜印刷,溶胶 - 凝胶或其他沉积技术将陶瓷膜沉积到基底上,其中描述了负载匹配层和复合陶瓷层的制造方法。 这些设计还涉及提供特别宽的传感器带宽的声学负载匹配层,以及换能器的多频带操作。 基本设计可用于传感器阵列中的元件,其提供单个元件换能器的频率特性,用于在高频和多频带频率下的聚焦的阵列转向以及可能的脉冲超声波束的方向。
    • 2. 发明申请
    • High frequency ultrasound transducers based on ceramic films
    • 基于陶瓷膜的高频超声换能器
    • US20090039738A1
    • 2009-02-12
    • US12156616
    • 2008-06-03
    • Bjorn A. J. AngelsenTonni F. JohansenHelge Kristiansen
    • Bjorn A. J. AngelsenTonni F. JohansenHelge Kristiansen
    • H01L41/047
    • B06B1/0692H01L2224/16225H01L2224/48091H01L2224/73253H01L2224/73265H01L2924/00014
    • A design and a manufacturing method of ultrasound transducers based on films of ferro-electric ceramic material is presented, the transducers being particularly useful for operating at frequencies above 10 MHz. The manufacturing technique can involve tape-casting of the ceramic films, deposition of the ceramic films onto a substrate with thick film printing, sol-gel, or other deposition techniques, where manufacturing methods for load matching layers and composite ceramic layers are described. The designs also involve acoustic load matching layers that provide particularly wide bandwidth of the transducers, and also multi-band operation of the transducers. The basic designs can be used for elements in a transducer array, that provides the frequency characteristics of the single element transducers, for array steering of the focus and possibly also direction of a pulsed ultrasound beam at high frequencies and multi-band frequencies.
    • 提出了一种基于铁电陶瓷材料薄膜的超声换能器的设计和制造方法,该换能器对于在10MHz以上的频率下工作特别有用。 制造技术可以涉及陶瓷膜的流延,用厚膜印刷,溶胶 - 凝胶或其他沉积技术将陶瓷膜沉积到基底上,其中描述了负载匹配层和复合陶瓷层的制造方法。 这些设计还涉及提供特别宽的传感器带宽的声学负载匹配层,以及换能器的多频带操作。 基本设计可用于传感器阵列中的元件,其提供单个元件换能器的频率特性,用于在高频和多频带频率下的聚焦的阵列转向和可能的脉冲超声波束的方向。
    • 5. 发明申请
    • High frequency ultrasound transducers based on ceramic films
    • 基于陶瓷膜的高频超声换能器
    • US20050194865A1
    • 2005-09-08
    • US11074990
    • 2005-03-08
    • Bjorn AngelsenTonni JohansenHelge Kristiansen
    • Bjorn AngelsenTonni JohansenHelge Kristiansen
    • B06B1/06H02N2/00
    • B06B1/0692H01L2224/16225H01L2224/48091H01L2224/73253H01L2224/73265H01L2924/00014
    • A design and a manufacturing method of ultrasound transducers based on films of ferro-electric ceramic material is presented, the transducers being particularly useful for operating at frequencies above 10 MHz. The manufacturing technique can involve tape-casting of the ceramic films, deposition of the ceramic films onto a substrate with thick film printing, sol-gel, or other deposition techniques, where manufacturing methods for load matching layers and composite ceramic layers are described. The designs also involve acoustic load matching layers that provide particularly wide bandwidth of the transducers, and also multi-band operation of the transducers. The basic designs can be used for elements in a transducer array, that provides the frequency characteristics of the single element transducers, for array steering of the focus and possibly also direction of a pulsed ultrasound beam at high frequencies and multi-band frequencies.
    • 提出了一种基于铁电陶瓷材料薄膜的超声换能器的设计和制造方法,该换能器对于在10MHz以上的频率下工作特别有用。 制造技术可以涉及陶瓷膜的流延,用厚膜印刷,溶胶 - 凝胶或其他沉积技术将陶瓷膜沉积到基底上,其中描述了负载匹配层和复合陶瓷层的制造方法。 这些设计还涉及提供特别宽的传感器带宽的声学负载匹配层,以及换能器的多频带操作。 基本设计可用于传感器阵列中的元件,其提供单个元件换能器的频率特性,用于在高频和多频带频率下的聚焦的阵列转向以及可能的脉冲超声波束的方向。