A ceramic injection molding process has been developed for net-shape forming complex-
shaped PZT 1-3 and 2-2 element arrays that are suitable for direct assembly into composite …

Intravascular and endoscopic acoustic imaging typically require high ultrasonic operating
frequencies, over 7 MHz. At these frequencies the ceramic transducer dimensions become …

Composite piezoelectric materials with a 1-3 connectivity are almost ideal for transducer
applications where the width-to-thickness aspect ratio of individual elements is in the range …

A 20 MHz high density linear array transducer is presented in this paper, This array has
been developed using an optimized ceramic-polymer composite material. The electro …

The authors demonstrated that 1-3 PZT/polymer composites, fabricated using PZT-4 ceramic
and a polymer possessing a high glass transition temperature and low loss, can be used as …

The fabrication of 2-2 PZT/epoxy composites by laminating ceramic tape printed with carbon
black was investigated as a way to make very high frequency ultrasound transducers. When …

Conventional piezoelectric ceramic/polymer 1-3 composite transducers comprise ceramic
pillars embedded in a solid polymer matrix. In the new design described, an additional …

Single element transducers and linear arrays made from composite piezoelectric materials
were characterized for application in medical ultrasonic imaging. The composite transducers …

Combining a piezoelectric ceramic and a passive polymer to form a piezocomposite allows
the transducer engineer to design new piezoelectrics that offer substantial advantages over …

This paper surveys published research on the use of composite physicians. piezoelect. ric
materials to make the acoustic transducers used in medical ultrasonic imaging. For medical …