Patent ID: 6043129
Filing Date: 2000-03-28
Classification: H01L

Abstract:
A method of forming a semiconductor device comprising the following steps:providing a semiconductor substrate having a surface, a planarized field oxide region at said surface and a gate structure overlying said surface;forming a sidewall spacer adjacent to said gate structure;forming a layer overlying said substrate, said layer having a raised portion overlying said gate structure;forming a masking layer overlying said layer, said masking layer having a substantially planar exposed surface;blanket etching said masking layer to expose said raised portion of said layer, said masking layer having a remaining portion disposed on said layer;selectively removing said raised portion of said layer using said remaining portion of said masking layer;removing said remaining portion of said masking layer; andimplanting impurities having a first conductivity type into a remaining portion of said layer.