Definition
The application of an electric test can verify the functionality of an assembled circuit board.
Several tests are used: in-circuit test, flying probe testers, and run-in/burn-in test. The in-circuit test describes a test pattern where a final assembled circuit board is tested in order to identify malfunctions. The flying probe was developed based on bed-of-nail (BON) with probes replacing the pins. The run-in/burn-in test is a quality screening technique for electronic components under electrical and thermal stress, used for early failure detection.
Theory and Application
In-Circuit Test
Theory: In in-circuit test a testing plate with spring-loaded testing probes is used to contact every essential electrical pad. Hence, the performance of the mounted devices can be measured without interference from nearby components. Specified values like resistance and capacitance are as well measured as the general operation of ICs or analogue devices. Furthermore, the programming of...
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References
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Hensel, A., Xu, P., Graef, D., Franke, J. (2019). Electric Test. In: Chatti, S., Tolio, T. (eds) CIRP Encyclopedia of Production Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35950-7_16841-1
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DOI: https://doi.org/10.1007/978-3-642-35950-7_16841-1
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