Abstract

The technological advances in electronics in recent years have made it possible to manufacture polyvinylidene fluoride (PVDF) ultrasound transducers with sensitivity that could be routinely used in clinical instruments for ultrasound imaging and diagnosis of tissue. Last year, we have taken a noval approach and developed electronics to excite PVDF transducers with a sharp spike of voltage with controlled energy‐frequency spectrum to generate and transmit a selected frequency band with its center frequency totally controlled by the excitation pulse and selected filter. With this approach four different center frequencies with approximate band width of 45%–50% is generated. This paper will describe the analytical model and compare theoretical data with the experimental results. As a result of this development a prototype device is fabricated to study various breast tissue types and differentiate them based on their scattering characteristics as a function of different frequency bands. [“Bi‐Plane Scanning wi...

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.