Ultrasonic method

Details Ultrasonic method Ultrasonic method

1988-06-09

1989-12-19

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156656, 156665, 156903, C23F 100, B44C 122, C03C 1500, C03C 2506

Patent

active

048880868

ABSTRACT:
Ultrasonic apparatus for use in detecting an object having a transducer. The transducer has an array of at least one element coupled directly into air. The apparatus also includes a transmitter which may be multi-channel, a receiver which may be multi-channel, a transmit receive switch, and a computer for causing operation of said transmit receive switch to cause sequential supplying of pulses of energy from the transmitter to the element or elements of the transducer and for receiving energy received by the transducer. The element or elements of the transducer are provided with a roughened surface to produce high frequency ultrasonic energy.

REFERENCES:
patent: 3052042 (1962-09-01), Feder
Kuhl et al., "Condenser Transmitters and Microphones with Solid Dielectric for Airborne Ultrasonics", Acustica, No. 5, vol. 4, 1985, pp. 519-532.

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