FIELD: electro-acoustics and radio engineering, possible use as device for layer-wise visualization of non-homogenous zones inside internal structures of solid objects.
SUBSTANCE: ultrasound microscope has ultrasound oscillations transformer, sound guide, acoustic lens and immersion substance, researched object, display, generator of linear-frequency-modulated pulses, commutator, broadband amplifier, synchronized filter, compensating amplifier, amplitude detector, threshold device, time selector and computer, synchronization pulses generator. Computer is connected to display by its output. Outputs of synchronizing pulses generator are connected to synchronization inputs of linear-frequency-modulated pulses generator, commutator, time selector, two-coordinate scanning device and computer. First controlling output of computer is connected to second input of time selector. Second - to controlling input of two-coordinate scanning device. Output of two-coordinate scanning device is connected to second information input of computer. Second input-output of commutator is connected to transformer of ultrasound oscillations.
EFFECT: improved resolution by depth of researched sample in mode of operation of ultrasound microscope "for reflection".
9 dwg
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Authors
Dates
2006-02-27—Published
2005-02-15—Filed