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What is electromigration and how does it occur ?

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vijay_nag

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Electronics

What is electromigration? What are the factors which lead to the same?
 

v_c

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Re: Electronics

http://en.wikipedia.org/wiki/Electromigration

Electromigration is the transport of material caused by the gradual movement of the ions in a conductor due to the momentum transfer between conducting electrons and diffusing metal atoms. The effect is only important in applications where high direct current densities are used, such as in microelectronics and related structures. As the structure size in electronics such as integrated circuits (ICs) decreases, the practical significance of this effect increases.
 

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