Actel Corporation, Inc.

Iton Wang

Abdul R Forouhi

A metal-to-metal antifuse comprises a lower electrode comprising a first metal layer in an integrated circuit, a first barrier layer formed from a layer of TiW:N disposed over the lower electrode, a layer of antifuse material formed from amorphous silicon over the first barrier layer, a second barrier layer formed from a layer of TiW:N disposed over the layer of antifuse material, said second barrier layer, and an upper electrode over the second barrier layer, the upper electrode comprising a second metal layer in the integrated circuit.

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San Jose, CA, United States of America

Iton Wang