发明授权
US08076056B2 Method of making sub-resolution pillar structures using undercutting technique 有权
使用底切技术制作分辨率柱状结构的方法

Method of making sub-resolution pillar structures using undercutting technique
摘要:
A method of making a device includes forming an underlying mask layer over an underlying layer, forming a first mask layer over the underlying mask layer, patterning the first mask layer to form first mask features, undercutting the underlying mask layer to form underlying mask features using the first mask features as a mask, removing the first mask features, and patterning the underlying layer using at least the underlying mask features as a mask.
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