Acoustic Micro Imaging – Same as SAM or SAT

Acoustic Micro Imaging – Same as SAM or SAT

Acoustic micro imaging (AMI) is a non-destructive testing technique that has become increasingly important in the electronics and materials science industries. It involves using ultrasound waves to create images of the internal structure of materials, devices, and components, which are then analyzed to identify potential defects or weaknesses.

There are different types of AMI techniques, two of which are scanning acoustic microscopy (SAM) and sonochemical analysis technology (SAT). While both techniques use ultrasound waves to generate images, they differ in their specific methods and applications.

1. Scanning Acoustic Microscopy (SAM):

SAM is a high-resolution imaging technique that uses a focused ultrasound beam to scan the surface of a sample. The ultrasound waves penetrate the sample and bounce back to the surface, where they are detected and used to create a detailed image of the internal structure. SAM can be used to inspect a wide range of materials, including metals, ceramics, composites, and electronic components. It is particularly useful for detecting defects and inconsistencies in materials, such as voids, cracks, and delaminations.

2. Sonochemical Analysis Technology (SAT):

SAT is a relatively new AMI technique that uses a chemical reaction to generate ultrasound waves. The sample is immersed in a liquid medium that contains a chemical compound that reacts to ultrasound waves. When the ultrasound waves are applied, the chemical compound undergoes a reaction that produces a sound signal. This signal is then analyzed to create an image of the internal structure of the sample. SAT is particularly useful for imaging biological samples, such as cells and tissues, as well as soft materials, such as polymers and gels. It can provide high-resolution images of the internal structure of these materials without damaging or altering them in any way.

Video 01: SCANNING ACOUSTIC MICROSCOPY