Transducer backing material

Details Transducer backing material Transducer backing material

1998-05-01

2000-09-26

Ramirez, Nestor

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310334, H01L 4108

Patent

active

061246646

ABSTRACT:
A transducer backing material includes a sticky epoxy resin containing tungsten particles and silver particles. A method of applying a backing material to a transducer includes pouring a mixture of epoxy resin, tungsten particles, and silver particles into a mold containing a layer of piezoelectric material, degassing the mixture, and curing the mixture at a pressure of approximately one atmosphere until the mixture dries.

REFERENCES:
patent: 4373401 (1983-02-01), Baumoel
patent: 4446395 (1984-05-01), Hadjicostis
patent: 4482835 (1984-11-01), Bar-Cohen et al.
patent: 5176140 (1993-01-01), Kami et al.
patent: 5541468 (1996-07-01), Frey et al.
patent: 5648942 (1997-07-01), Kunkel, III

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