EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 62415 testing. IEC EN 62415 describes a method for conventional constant current electromigration testing of metal lines via array and contacts.
The background to the electromigration test described in this procedure is based on the assumption that the entire electromigration downtime distribution remains as it is when accelerated. Acceleration can be described by an activation energy and a current acceleration factor, as originally suggested by Black.
15 or more samples are recommended for each test (each test structure, temperature and current density). In some cases, a larger number of samples may be required to obtain better statistical confidence of the results or to analyze a bimodal distribution.
This is a contact chain with n+ in the substrate or p-well or p+ in the n-well. The number of contacts should be kept low, as the voltage required to force the voltage current is limited to the junction break voltage. The contact size shall be the minimum design dimension. The metal length between the contacts must exceed the Blech length.
Whether joule warming is significant will be verified. This verification is done by determining the resistance temperature coefficient of the metal line and comparing the resistance at the test condition with the resistance at the low current density. When Joule heating is significant, line temperature should be corrected for Joule heating and data should be available to show that the failure mechanism has not changed.
EUROLAB assists manufacturers with IEC EN 62415 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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