This method standardizes inspection, test procedures and minimum training and certification requirements to detect Suspect/Counterfeit (SC) Electrical, Electronic, and Electromechanical (EEE) components or parts utilizing Delid/Decapsulation Physical Analysis. The methods described in this document are employed to either delid or remove the cover from a hermetically sealed package or to remove the encapsulation or coating of an EEE part, in order to examine the internal structure and to determine if the part is suspect counterfeit. Information obtained from this inspection and analysis may be used to:
a
prevent inclusion of counterfeit parts in the assembly
b
identify defective parts
c
aid in disposition of parts that exhibit anomalies
This test method should not be confused with Destructive Physical Analysis as defined in MIL-STD-1580. MIL-STD-1580 describes destructive physical analysis procedures for inspection and interpretation of quality issues.
Due to the destructive nature of the test method that allows access to materials, design and layout information, the method may also enable observation of trends in design and material or process changes undertaken by the device manufacturer.
If AS6171/4 is invoked in the contract, the base document, AS6171 General Requirements shall also apply.
Rationale
The purpose of this document is to provide guidelines and requirements for the use of decapsulation, delidding or disassembly of EEE parts. The document further states the requirements for physical analysis and inspection in order to document characteristics that are consistent with suspect counterfeit parts.
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 Delid/Decapsulation Physical Analysis Test Methods
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Techniques for Suspect/Counterfeit EEE Parts Detection by Delid/Decapsulation Physical Analysis Test Methods
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