Ultrasound applications mainly in the following aspects: The ultrasonic Ultrasonic wavelength than generally sound waves to be short， with better directional， through opaque and substance， this one character has been widely used in ultrasonic inspection， thickness， ranging， remote control and ultrasonic imaging Ultrasonic imaging is using ultrasonic appear not transparent objects of internal image The ultrasonic transducer issued from the acoustic lens focused on not transparent samples from sample passes， the ultrasonic carried was as parts of the information (such as acoustic reflection， the ability of absorption and scattering)， the sound lens gathering in signal receiver， gains piezoelectric using scanning system， input amplifier can turn opaque sample image display on the The device is called the ultrasound Ultrasonic imaging techniques have already in medical checks and widely used in manufacturing in microelectronics devices to check for large scale integrated circuit in materials science used to display different components in areas of alloy and grain boundary between ShengQuanXi art is using ultrasonic interferometric principle records and recreate opaque objects of the stereo image sound imaging technology， its principle and light wave holography basic same， just record means different ways (see holography) Use the same ultrasonic signal in the incentive two placed respectively， their liquid transducer launch two beams of ultrasonic: a bunch of coherent through by the research objects， the other thing wave after becoming a bunch of reference Content wave and reference waves in liquid form on ShengQuanXi figure， coherent superposition with laser beam irradiation ShengQuanXi diagram， using laser in ShengQuanXi figure reflection on the diffraction effects produced when repetition won things like， usually with cameras and TV make real-time Ultrasound The role of the mechanical， ultrasonic cavitation effect， heating and chemical effect， can undertake ultrasonic welding， drilling， solid crushing， emulsion， degassing， dusting， to scale and cleaning， sterilization pot， promoting chemical reaction and biology etc， in GongKuangYe， agriculture， health care each department to get Basic Ultrasonic role in medium， in a medium after producing acoustic relaxation process， acoustic relaxation process with energy in molecular their electricity degrees， the conveyance process between macro affections and sound absorption (see sound waves) The absorption of the ultrasonic by physical laws can be exploring physical properties and structure， the research of this aspect constitute the acoustic branch molecular Ordinary acoustic wave long-term than solid atoms in the spacing， in these conditions can be as solid But for frequency in 1012 Hector above's ultrasonic， the wavelengths of the atoms can be compared with solid， then it should be to distance the solid as a space periodic lattice Lattice vibration energy is quanta， called phonons (see solid physics) The role of solid， ultrasound， boils down to ultrasound and heat phonon， electrons and photons and various quasi-particle The german-born ultrasound of solid produced， testing and spread rule， and quantum liquid - liquid helium acoustic phenomena in the study of modern acoustic new areas --
