Patent ID: 7274049
Filing Date: 2007-09-25
Classification: H01L

Abstract:
1. A semiconductor assembly, comprising: a semiconductor substrate having first and second conductively-doped diffusion regions extending therein; an insulative material over the substrate; the insulative material having a first opening extending therethrough to the first diffusion region and having a second opening extending therethrough to the second diffusion region; a dielectric material providing liners within the first and second openings and having lateral peripheries substantially coextensive with lateral peripheries of the first and second diffusion regions; the first liner extending entirely across the first diffusion region at a bottom of the first opening; the second liner not extending across a predominant portion of the second diffusion region at a bottom of the second opening; conductive material plugs within the first and second openings; the conductive material plug within the first opening being spaced from the first diffusion region by the first liner; the conductive material plug within the second opening being in direct physical contact with the second diffusion region; and the first diffusion region, dielectric material within the first opening, and conductive material plug within the first opening together being incorporated into an anti-fuse construction.