Patent ID: 6291137
Filing Date: 2001-09-18
Classification: H01L

Abstract:
A method of forming a conductive structure having a width of about 100 nm or less, comprising:providing a substrate having a conductive film;patterning a sidewall template over a first portion of the conductive film wherein a second portion of the conductive film is exposed, the sidewall template having at least one sidewall over the conductive film;depositing a sidewall film over the conductive film and the sidewall template, the sidewall film having a vertical portion adjacent the sidewall of the sidewall template and a horizontal portion in areas not adjacent the sidewall of the sidewall template;removing the horizontal portion of the sidewall film exposing a third portion of the conductive film, the third portion being at least a part of the second portion;removing the sidewall template exposing a fourth portion of the conductive film, the fourth portion being at least a part of the first portion; andetching the third portion and the fourth portion of the conductive film thereby providing the conductive structure having a width of about 100 nm or less underlying the vertical portion of the sidewall film.