A new type two-dimensional spherical crown array is designed. Based on the self-built sound field platform, the sound field characteristics of the model are studied. Finally, the structure characteristic parameters F-number, arrangement and other structures of the array are found. The characteristic

Ontison ultrasonic beam analysis test system is based on the working principle of laser stripe photography, it is quite real-time photo recording of the sound field generated by the ultrasonic probe in the medium, dedicated to the acquisition of ultrasonic underwater.A separate system of corrugated

In this section, we designed a HIFU piezo ceramic treatment array with 125 channels and the array column structure was simulated by sound field, and the theoretical analysis of the array was continuous with the excitation signal at the frequency 2MHz. the result of single-point focusing under the st

In the manufacturing of diagnostic ultrasonic transducers, in order to improve the sensitivity of the probe detection signal, the resolution of the imaging .As well as better fixing the probe array, engineers will design solid-state acoustic matching components for the probe, such as matching layer

The designing parameters of the HIFU piezo ceramic directly affect the performance and production cost of the system. This paper is based on the existing hardware foundation of the laboratory, based on the spherical crown ultrasonic array model, the basic design of the probe parameters is proposed.

The following figure shows the time peak of sound pressure obtained after the spherical crown model array A is deflected by different distances in the positive direction of the X axis.Where a and e, b and f, C and g, d and respectively are the HIFU piezo ceramics deflected by 0 mm in the positive di

For the multi-array dome array of HIFU piezo ceramics, the different array arrangement means that the array has different structural characteristics, and different structural characteristics will correspond to different array sound field characteristics, such as the same focus , different focal leng

In order to achieve quantitative analysis of the sound field characteristics of the HIFU piezo ceramic treatment probe in the single focus scanning mode, The following three key acoustic field characteristics are studied.

What are the distance methods for ultrasonic distance transducer?In the ultrasonic distance transducer,distance methods generally have a single-shot dual-receiving type, and it is also a sonic logging method. In terms of composition, there are mainly three sound systems, sound insulators and electro

1.Applications in medical and beauty products.Ultrasonic beauty is generated a high frequency alternating current by generator , which make the piezoelectric chip to generate ultrasonic waves. It mainly uses the mechanism of ultrasonic waves on human skin and superficial tissues. In the medical, the

1.Piezoelectric ceramics, can the voltage be generated to illuminate luminous diode or a flashlamp ?The voltage of piezoelectric ceramics is generated is so small ,which can only reach the micro-ampere level, for the luminous diode or or a flashlamp ,its voltage and current is 2.5V/0.02A, so it can

About piezoelectric ceramics, piezo ceramics generate the DC or AC ? In addition, is it generically a piezoelectric polycrystal?Piezoelectric ceramics produce the direct current, not alternating current. In addition, it belongs to inorganic piezoelectric materials, and this kind material can be divi

1.When is using the piezoelectric ceramic sheet to make a buzzer, why the wire can't be soldered on the piezoelectric ceramic sheet? In addition, capacitance of the piezoelectric ceramic sheet is the same as the ceramic capacitor?The piezoelectric ceramic is used to make the buzzer. If this problem

The multi-spherical crown HIFU piezo ceramic treatment probe is a complex structure. When is designing the probe, We need to determine a lot of design parameters, including the number of array elements, the arrangement of array elements, the frequency,The array size and the radius of curvature of th