Transducer comprising composite electrical materials

Details Transducer comprising composite electrical materials Transducer comprising composite electrical materials

1984-10-01

1986-02-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310358, 310800, 29 2535, H01L 4108

Patent

active

045729816

ABSTRACT:
A simplified method for fabricating composite transducers by bonding together plates of active and passive materials to form a laminated block. The active material is preferably a piezoelectric ceramic. Thereafter, a series of cuts are made in the laminated block to obtain a composite plate wherein regions of active material are separated from one another by regions of passive material. The method provides composite transducers having fine structures which can be produced without the difficulty of assembling many small rods or sawing deep, narrow grooves.

REFERENCES:
patent: 2787520 (1957-04-01), Meiners et al.
patent: 2928068 (1960-03-01), Samsel et al.
patent: 3070775 (1962-12-01), Andrews, Jr.
patent: 3781955 (1974-01-01), Laurinenko et al.
patent: 4227111 (1980-10-01), Cross et al.
patent: 4233477 (1980-11-01), Rice et al.
patent: 4378721 (1983-04-01), Kaneko et al.
patent: 4412148 (1983-10-01), Klicker et al.
patent: 4422003 (1983-12-01), Safari et al.
Transverse Honeycomb Transducers, by Safari et al, Material Research Bulletin, vol. 17, No. 3, 1982, pp. 301-308.

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