Norm

IEC 62880-1:2017 en

Semiconductor devices - Stress migration test standard - Part 1: Copper stress migration test standard

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Over deze norm

Status Definitief
Aantal pagina's 24
Commissie Halfgeleiders
Gepubliceerd op 01-08-2017
Taal Engels
IEC 62880-1 describes a constant temperature (isothermal) aging method for testing copper (Cu) metallization test structures on microelectronics wafers for susceptibility to stress-induced voiding (SIV). This method is to be conducted primarily at the wafer level of production during technology development, and the results are to be used for lifetime prediction and failure analysis. Under some conditions, the method can be applied to package-level testing. This method is not intended to check production lots for shipment, because of the long test time. Dual damascene Cu metallization systems usually have liners, such as tantalum (Ta) or tantalum nitride (TaN) on the bottom and sides of trenches etched into dielectric layers. Hence, for structures in which a single via contacts a wide line below it, a void under the via can cause an open circuit at almost the same time as any percentage resistance shift that would satisfy a failure criterion.

Details

ICS-code 31.080.01
Engelse titel Semiconductor devices - Stress migration test standard - Part 1: Copper stress migration test standard

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