acoustic transducers - Definition. Was ist acoustic transducers
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Was (wer) ist acoustic transducers - definition

OR INTERDIGITATED TRANSDUCER, A SENSOR AND TRANSMITTER FOR A SURFACE ACOUSTIC WAVE
Interdigitated transducer; Interdigital Transducer; Interdigital transducers; Interdigital Transducers; Interdigitated Transducer; Interdigitated Transducers; Inter-digital transducer

Acoustic shock         
NEGATIVE SYMPTOMS IN RESPONSE TO LOUD NOISE
Acoustic Shock
Acoustic shock is the set of symptoms a person may experience after hearing an unexpected, loud sound. The loud sound, called an acoustic incident, can be caused by feedback oscillation, fax tones, or signalling tones.
Acoustic microscopy         
  • In the plastic-encapsulated IC, gating was on a depth that included the silicon die, the die paddle and the lead frame.
  • Still scanning the top of the sample, the gating of the return echoes was then changed to include only the plastic encapsulant (mold compound) above the die. The resulting acoustic image is shown above. It shows the structure of the particle-filled plastic mold compound, as well as the circular mold marks at the top surface of the component. The small white features are voids (trapped bubbles) in the mold compound. (These voids are also visible in the previous image as dark acoustic shadows.)
  • Gating was then changed to include only depth of the die attach material that attaches the silicon die to the die paddle. The die, the die paddle, and other features above and below the die attach depth are ignored. In the resulting acoustic, shown above slightly magnified, the red areas are voids (defects) in the die attach material.
MAGNIFIED VISUALIZATION THROUGH ULTRASOUND
Ultrasonic force microscopy; Acoustic microscope; Acoustic Microscopy; Ultrasonic Force Microscopy
Acoustic microscopy is microscopy that employs very high or ultra high frequency ultrasound. Acoustic microscopes operate non-destructively and penetrate most solid materials to make visible images of internal features, including defects such as cracks, delaminations and voids.
acoustic shock         
NEGATIVE SYMPTOMS IN RESPONSE TO LOUD NOISE
Acoustic Shock
¦ noun damaged hearing suffered by the user of an earphone as a result of sudden excessive noise in the device.

Wikipedia

Interdigital transducer

An interdigital transducer (IDT) is a device that consists of two interlocking comb-shaped arrays of metallic electrodes (in the fashion of a zipper). These metallic electrodes are deposited on the surface of a piezoelectric substrate, such as quartz or lithium niobate, to form a periodic structure.