Through the use of ultra-high frequency ultrasound, typically above 10 MHz, Acoustic Microscopy (AM) non-destructively finds and characterizes physical features and latent defects (visualization of interior features in a layer by layer process) - such as material continuity and discontinuities, sub-surface flaws, cracks, voids, delaminations and porosity. AM observed features and defects can be indicators that the components were improperly handled, stored, altered or previously used.
If AS6171/6 is invoked in the contract, the base document, AS6171 General Requirements shall also apply.
Rationale
This document provides guidance and requirements on the Acoustic Microscopy (AM) test procedures to be employed by the Test Laboratory (Lab) for the non-destructive AM testing of parts for suspect counterfeit (SC) part detection. The level of testing shall be derived by the User Organization working in conjunction with the Test Lab, taking into consideration the risk level as defined in the SC part detection flow specified herein. It shall be the responsibility of the Test Lab to conduct the AM test following the sequence of inspections for a given risk level specified herein. The creation of this document is a step in addressing the ever-increasing global problem of electronic parts counterfeiting.
For those tasked with detecting counterfeit electrical,
electronic, and electromechanical (EEE) Parts, the SAE
Counterfeit Defect Coverage Tool, in conjunction with SAE AS6171,
is a dynamic, web-based application for developing a counterfeit
detection test sequence and its associated counterfeit defect
coverage while considering the resources necessary to implement
those tests.
To develop an inspection/test matrix plan for different classes of Electrical, Electronic, and Electromechanical (EEE) commodities to detect suspect and confirmed counterfeit components. The matrix will include recommended visual, physical, electrical, and material testing based on different commodities and associated tier level of determined risk. The plan will include a process for evaluating risk. The plan will provide guidance on the recommended tier level of testing that should be performed based on risk of the supplier, the item, application, and other risk factors. It will also include recommended sampling plans for the tests based on tier level of accepted risk, level of confidence required, and acceptable reject criteria.
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Techniques for Suspect/Counterfeit EEE Parts Detection by Acoustic Microscopy (AM) Test Methods
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Techniques for Suspect/Counterfeit EEE Parts Detection by Acoustic Microscopy (AM) Test Methods
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