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  • Oct
    29
    What’s the piezoelectric ceramic oscillator
    A piezoelectric ceramic is a resonant body, and when it is used as a piezoelectric element, it is called a piezoelectric vibrator or a piezoelectric ceramic vibrator. With the resonance characteristics, many devices can be fabricated, such as filters, piezoelectric ceramic transformers, and so on.P
  • Oct
    29
    Application of single chip microcomputer in the piezoelectric ceramic transducer
    Piezoelectric ceramics can produce electrostrictive effects under the action of alternating electric field. Piezoelectric ceramic ultrasonic transducers can generate vibration under the action of alternating electric field, and can generate strong ultrasonic waves during resonance. Since piezoelectr
  • Oct
    25
    The new type focused ultrasound transducers
    The use of HIFU piezo ceramic to treat local tumors, how to enhance the treatment effect and minimize the radiation damage to healthy areas is an important issue. In response to this problem, many researchers have designed and developed some new transducers. Some researchers have proposed to use mul
  • Oct
    25
    Evaluation of HIFU transducer performance
    The performance indicators describing the transducer are operating frequency, electroacoustic efficiency, and transmitted sound power. The performance of the HIFU ceramic transducers is described below, and the performance of the four in vitro focused transducers is described separately. (1) Operati
  • Oct
    23
    What’s the electronic phased array focusing HIFU transducer
    This type of transducer is a type of transducer that has been discussed in recent years. Its design is based on the Huygens principle. The transducer is arranged in an array in a space by a plurality of mutually independent piezoelectric wafers. Each wafer is called an array element. When each array
  • Oct
    23
    Advantages and Disadvantages of HIFU ceramics transducer
    Compared with surgery, HIFU ceramic transducer for machine is non-invasive and has few complications. Compared with radiotherapy, H IFU can obtain a therapeutic dose in one irradiation, and can also repeat the treatment of residual lesions or locally recurring lesions. The use of H IFU does not excl
  • Oct
    22
    What’s the high intensity focused ultrasound transducer
    High intensity focused ultrasound HIFU is an emerging in vitro non-invasive treatment of tumor technology. The physical principle of treatment is: through a certain form of ultrasound focusing transducer, the ultrasound energy is focused on the target tissue, and the target tissue is rapidly heated
  • Oct
    22
    piezoelectric ceramic plate used for guitar pickup
    Experimental principleThis experiment utilizes the positive piezoelectric effect of piezoelectric ceramics. Using the piezoelectric ceramics installed in the guitar resonance box, the seven sounds from the center C to B (including B) in the C major scale are plucked by the player, and the electric s
  • Oct
    19
    The application of using a piezoelectric ceramic to identify the tones of instruments 
    This study utilized the principle of piezoelectric effect of piezoelectric ceramics and consisted of two parts of experiments. The first part is to use the positive piezoelectric effect of piezoelectric ceramics, install piezoelectric ceramic sheets in the resonance box of the guitar, and pluck the
  • Oct
    18
    What ‘s the tumor treatment of HIFU piezo ceramic
    Different parameters of piezoelectric ceramics can be selected according to the needs of the therapeutic dose at the time of treatment to achieve the best effect. Highly vascularized tumors although clinical exposure times often take more than 3s, early studies have shown that short-term exposure is
  • Oct
    18
    Immune function of HIFU treatment
    About immune function, who observed the tumor regressed at the same time, the distant metastasis also subsided that HIFU treatment can improve the body's specific and non-specific immunity to tumors. The killing effect of tumor cells can indirectly promote the development and maturation of helper ly
  • Oct
    17
    Principle of high intensity focused ultrasound
    The current preferred method for curing tumors is still surgical resection. Advances in science and technology have led to the development of open surgery to a smaller trauma. Various interventional is minimally invasive treatment methods, including percutaneous radio frequency ablation and microwav
  • Oct
    17
    Measurement of high intensity focused ultrasound sound field
    Fiber grating refers to a segment of fiber with grating function formed by changing the distribution of refractive index in the fiber by ultraviolet radiation. It only reflects a certain wavelength of wave, which is equivalent to a kind of mirror. When there is strain or temperature change, it will
  • Oct
    16
    What’s the Hydrophone detection
    A hydrophone is a transducer that converts an underwater sound pressure signal into an electrical signal. When the pressure (acoustic disturbance) on the piezoelectric material piezo ceramic tubes changes, the charge distribution inside the piezoelectric material changes proportionally and is reflec
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