This International Standard describes methods of calibrating the spatial measurement facilities and point-spread function of ultrasonnic imaging equipment in the ultrasonic frequency range 0,5 MHz to 15 MHz. This standard is relevant for ultrasoninc scanners based on the pulse-echo principle of the types listed below:
- mechanical sector scanners;
- electronic phased-array sector scanners;
- electronic liniar-array scannars;
- electronic curved-array sector scanners;
- water-bath scanners based on any of the above four scanning mechanisms;
- 3D-volume reconstruction systems.

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