Patent ID: 9318412
Filing Date: 2016-04-19
CPC Classification: H01L

Claim Text:
1. A semiconductor self-aligned structure, comprising: a carrier; a first pattern with a first feature size that is positioned above the carrier, wherein the first feature size is a space between adjacent; first features, wherein the first feature size being smaller than that obtainable by a photoresist pattern printing, and the first pattern is symmetric about a central axis; and a second pattern with a second feature size that is positioned on the carrier, wherein the second feature size is a space between adjacent second features; and in which materials composing a first portion of the second pattern are different from materials composing a second portion of the second pattern; wherein the first portion is above the carrier, the second portion is above the first portion such that the first portion is sandwiched between the second portion and the carrier; wherein width of the first portion is substantially the same as width of the second portion; wherein width is measured in the same direction as feature size; and wherein a sidewall of the first portion is not covered by the materials composing the second portion.