Experts say chipmakers lack the ability to track where many of their lower-end products end up, which could stymie the enforcement of new US sanctions on Russia (Jane Lanhee Lee/Reuters)

Jane Lanhee Lee / Reuters:Experts say chipmakers lack the ability to track where many of their lower-end products end up, which could stymie the enforcement of new US sanctions on Russia  —  When Silicon Valley chipmaker Marvell learned that one of its chips was found in a Russian surveillance drone recovered in 2016 …

Experts say chipmakers lack the ability to track where many of their lower-end products end up, which could stymie the enforcement of new US sanctions on Russia (Jane Lanhee Lee/Reuters)

Jane Lanhee Lee / Reuters:
Experts say chipmakers lack the ability to track where many of their lower-end products end up, which could stymie the enforcement of new US sanctions on Russia  —  When Silicon Valley chipmaker Marvell learned that one of its chips was found in a Russian surveillance drone recovered in 2016 …