id author title date pages extension mime words sentence flesch summary cache txt 3484zg66p2g Vishwanath Joshi Implementation of Locos (Local Oxidation of Silicon) Isolation Scheme in IC Fabrication 2004 .txt text/plain 204 13 59 This is done by covering the active regions of the substrate with a thin layer of silicon nitride. Silicon nitride acts as a diffusion barrier to the oxidizing species. cache/3484zg66p2g.txt txt/3484zg66p2g.txt