Transducer with acoustic matching member and method of making th

Details Transducer with acoustic matching member and method of making th Transducer with acoustic matching member and method of making th

1993-08-02

1994-12-20

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

367152, 29 2535, 310334, H04R 1700

Patent

active

053750993

ABSTRACT:
A method for bonding together adjoining hollow glass spheres to form an acoustic matching member for a transducer comprises subjecting a mixture of adjoining spheres and a solution of a heat curable resin and a volatile organic solvent to a first temperature to drive off the solvent and then to a second temperature to cure the resin. This causes the spheres to bond together at their points of contact but otherwise voids are formed between the spheres.

REFERENCES:
patent: 3634562 (1972-01-01), Kole et al.

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