hillock definition

- - - - -

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

a defect caused by stress that raises portions of a metal (such as aluminum) film above the surface of the film. Localized stress within the metal film may elevate portions of the film through the adjacent dielectric layer, resulting in a metal extrusion and a short to the next metal layer. Also see pyramid.