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Microprocessor ultrasonic transducer can be produced with bias - polarity beam profile control
Microprocessor ultrasonic transducer can be produced with bias - polarity beam profile control
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机译:微处理器超声换能器可通过偏置-极性束轮廓控制来生产
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摘要
A capacitive microfabricated ultrasonic transducer with control of elevation phase through alternating bias polarity is disclosed. Such control of elevation phase results in simple ultrasonic probes with excellent slice thickness attributes. Furthermore, tight spatial variation of phase results in an effective way to achieve transmit aperture and apodization control. Further still, such capacitive microfabricated ultrasonic transducers can achieve elevation focus without the need of a lossy mechanical lens.
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