Electro-dynamic transducer

Details Electro-dynamic transducer Electro-dynamic transducer

1985-04-12

1986-07-29

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

G01N 2904

Patent

active

046025120

ABSTRACT:
An electro-dynamic transducer head (107) coming into contact with a workpiece (14) comprises a protective cap (28, 38), which is at least partially surrounded by a sliding protection element (22). The sliding protective element has a basic member (24) with sections (26), which are introduced into recesses (28) by deposit welding.

REFERENCES:
patent: 4480477 (1984-11-01), Huschelrath et al.
B. W. Maxfield et al., "Design of Permanent Electromagnetic Acoustic-Wave Transducers (EMAT)", 1976, Ultra Symp. Pro. IEEE Cat. 76, pp. 22-25, Sep. 1976.

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