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Recently, capacitive micromachined ultrasonic transducers (CMUTs) have emerged as an alternative technology offering advantages such as wide bandwidth, ease of fabricating large arrays, and potential for integration with electronics. The aim of this paper is to demonstrate the viability of CMUTs for ...
Micromachined ultrasonic transducers and arrays based on piezoelectric thick film This paper reports on the design, fabrication, and characterization of diaphragm-type piezoelectric micromachined ultrasonic transducer (pMUT) and arrays. ... Z Wang,J Miao,W Zhu - 《Applied Physics A Materials Science &...
This invention relates generally to ultrasonic transducers, and more particularly, to an ultrasonic transducer arrangement having a matrix of ultrasonic oscillators. Ultrasonic arrays, illustratively of the type used in medical diagnostic equipment, are configured from a relatively large oscillator slab whic...
Ultrasonic transducers are the primary components of actuators and sensors. Hosley et al. developed a microelectromechanical system (MEMS) device to read fingerprints using piezoelectric micromachined ultrasonic transducers (pMUTs)25; their sensors achieved a high density of 24 × 8 arrays and a...
multi-element arrays; composite transducers and arrays for sonar imaging, airborne ultrasound and NDT of porous materials; linear and circular monolithic phased arrays for monitoring and flaw characterisation in NDT; intelligent sensors for improved NDT; and ultrasonic arrays for remote cavitation cleaning...
Phased array ultrasound transducers have been fabricated in our laboratories at Duke University since 1970. In 1986, we began the development of 2-D arrays... SW Smith,W Lee,ED Light,... - IEEE 被引量: 46发表: 2002年 Real-time cylindrical curvilinear 3-D ultrasound imaging. In patients ...
A method of manufacturing an ultrasonic transducer array in which plural ultrasonic transducers are arranged on a curved surface with narrow pitches and narrow gaps. The method includes the steps of:
2) Ultrasonic Line Phased Arrays(ULPA) 超声相控线阵换能器 例句>> 3) ultrasonic array transducer 超声基阵换能器4) ultrasonic transducers array 超声换能器阵列 1. The impedance matching of ultrasonic transducers array with the power amplifier is one of the keys obtain the directional speaker...
Structural health monitoring of composites using integrated ultrasonic transducers Two types of ultrasonic sensors are presented for structural health monitoring (SHM) and non-destructive testing (NDT) of graphite/epoxy (Gr/Ep) composites... M Kobayashi,KT Wu,S Li,... - Proceedings of SPIE - The...