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Ultrasound device, method for forming same and method for controlling same

A technology of ultrasound and ultrasound transducers, applied to ultrasound devices, can solve problems such as inapplicable pMUT and narrow bandwidth

Pending Publication Date: 2018-12-21
NANYANG TECH UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Furthermore, since the first-order network produces sharp voltage peaks only at the operating frequency, the bandwidth matched in this way is very narrow
[0009] Existing known techniques are not suitable for pMUT

Method used

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  • Ultrasound device, method for forming same and method for controlling same
  • Ultrasound device, method for forming same and method for controlling same
  • Ultrasound device, method for forming same and method for controlling same

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Embodiment Construction

[0035] The following detailed description refers to the accompanying drawings, which show, by way of illustration, specific details and embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. Other embodiments may be utilized and structural, logical, and electrical changes may be made without departing from the scope of the present invention. The various embodiments are not necessarily mutually exclusive, as some embodiments can be combined with one or more other embodiments to form new embodiments.

[0036] Embodiments described in the context of one of a method or an apparatus are similarly valid for the other method or apparatus. Likewise, embodiments described in the context of a method are similarly valid for an apparatus, and vice versa.

[0037] Features described in the context of an embodiment may correspondingly apply to the same or similar features in ot...

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Abstract

According to embodiments of the invention, an ultrasound device is provided. The ultrasound device includes an ultrasonic transducer, and a resonance matching circuit electrically coupled to the ultrasonic transducer, wherein the resonance matching circuit is configured to cooperate with the ultrasonic transducer to generate, from an impedance of the ultrasonic transducer, an effective impedance at a resonance condition of the ultrasonic transducer to provide a gain to an electrical signal generated by the ultrasonic transducer and to reduce a noise figure of the ultrasound device at the resonance condition. According to further embodiments of the invention, a method for forming an ultrasound device and a method for controlling an ultrasound device are also provided.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Singapore Patent Application No. 10201603272U filed on 25 April 2016, the contents of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] Various embodiments relate to ultrasonic devices, methods for forming ultrasonic devices, and methods for controlling ultrasonic devices. Background technique [0004] Micromachined ultrasound transducers (MUTs) are widely used in ultrasound imaging systems. It converts electrical signals into ultrasound and vice versa. According to different physical and mechanical essences, there are two types of MUTs. A piezoelectric micromachined ultrasound transducer (pMUT) uses a piezoelectric material to generate a voltage signal, while a capacitive micromachined ultrasound transducer (cMUT) modulates capacitance to output a current signal. A Low Noise Amplifier (LNA) is usually used to amplify electri...

Claims

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Application Information

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IPC IPC(8): H03H7/38G01H3/10
CPCB06B1/0207B06B1/0292B06B1/0644G01H3/04G01H15/00H03H7/38
Inventor 郑元谨孙华西
Owner NANYANG TECH UNIV
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