Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1990-12-07
1991-11-12
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310334, 310337, H01L 4108
Patent
active
050650688
ABSTRACT:
A ferroelectric ceramic transducer having low density, high compliance and improved electrical properties achieved by the absence of any solid or liquid material in the spaces between the lateral sides of the ferroelectric ceramic posts of the transducer. The ceramic volume-fill of the posts is no greater than sixty percent.
REFERENCES:
patent: 2797399 (1957-06-01), Camp et al.
patent: 2831175 (1958-04-01), Janssen et al.
patent: 3470394 (1969-09-01), Cook et al.
patent: 3833825 (1974-09-01), Haan
patent: 4371805 (1983-02-01), Diepers et al.
patent: 4390976 (1983-06-01), Eynck
patent: 4412148 (1983-10-01), Klicker
patent: 4422003 (1983-12-01), Safari et al.
patent: 4518889 (1985-05-01), T Hoen
patent: 4613784 (1986-09-01), Haun et al.
patent: 4616152 (1986-10-01), Saito et al.
patent: 4628223 (1986-12-01), Takeuchi et al.
patent: 4640291 (1987-02-01), T Hoen
patent: 4671293 (1987-06-01), Shaulov
patent: 4672591 (1987-06-01), Breimesser
patent: 4683396 (1987-07-01), Takeuchi et al.
patent: 4728845 (1988-03-01), Haun et al.
patent: 4747192 (1988-05-01), Rokurota
patent: 4801835 (1989-01-01), Nakaya et al.
patent: 4803392 (1989-02-01), Koshida et al.
patent: 4869768 (1989-09-01), Zola
"Transient Performances of Three Composite-Ceramic Ultrasonic Tranducers", by R. H. Coursant--M. Gauchet, Feb. 3, 1982.
LandOfFree
Ferroelectric ceramic transducer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ferroelectric ceramic transducer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ferroelectric ceramic transducer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1014789