Metal working – Piezoelectric device making
Patent
1995-02-17
1997-04-01
Hall, Carl E.
Metal working
Piezoelectric device making
310358, H01L 4122
Patent
active
056154666
ABSTRACT:
A disclosed process uses ceramic fiber fabrication technology and allows for novel composite designs, including composites with different polarizable material regions and composites with a gradient in volume fraction of polarizable material. Moreover, composites with fine-scale microstructures may be formed. The new forming method is an improvement to the traditional "dice and fill" technique currently being utilized to form piezoelectric composites.
REFERENCES:
patent: 3590287 (1971-06-01), Berlincourt et al.
patent: 4412148 (1983-10-01), Klicker et al.
patent: 4518889 (1985-05-01), T Hoen
patent: 4523471 (1985-06-01), Lee
patent: 4564980 (1986-01-01), Diepers
patent: 4572981 (1986-02-01), Zola
patent: 4658176 (1987-04-01), Nakoya et al.
patent: 5175709 (1992-12-01), Slayton et al.
patent: 5239736 (1993-08-01), Sliwa et al.
patent: 5246610 (1993-09-01), Banno et al.
Composite Piezoelectric Transducers; R. E. Newnham et al; Materials in Engineering, vol. 2, Dec. 1980, pp. 93-106.
Piezoelectric Ceramic-Polymer Composites for Transducer Applications; T.R. Gururaja et al, Electronic Ceramics, 1987, pp. 92-145.
PZT-Epoxy Piezoelectric Tranducers; H. P. Savakus et al; Materials Research Bulletin, vol. 16; 1981, pp. 677-680.
Smart Materials; Newnham et al; Ferroelectrics, vol. 102, pp. 259-266.
Fabrication of Continous Ceramic Fiber by the Viscous Suspension Spinning Process, Ceramic Bulletin, vol. 70, No. 3, 1991.
Janas Victor F.
McNulty Thomas F.
Safari Ahmad
Hall Carl E.
Ritter John F.
Rutgers University
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