Antifuse interconnect between two conducting layers of a printed

Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement

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257665, 361779, H01R 909

Patent

active

059628154

ABSTRACT:
A multilayered structure, such as a printed circuit board, includes a first conductive layer and a second conductive layer that are separated from each other by a dielectric layer. The dielectric layer is formed of a first material, such as a photoimagible polyimide and epoxy resin. The dielectric layer has a number of via holes that extend from the first conductive layer to the second conductive layer. The via holes are filled with a second material having a breakdown voltage less than a breakdown voltage of the first material included in the dielectric layer to form an antifuse. The second material in the via holes can be, for example, a conductive epoxy resin or a polymer loaded with conductive particles (also referred to as "conductive paste").

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