International Business Machines Corporation
CROSS-BAR FIN FORMATION
Last updated:
Abstract:
A first mask layer is formed on top of a semiconductor substrate. A mandrel material is formed perpendicular to the first mask layer. A second mask layer is formed on one or more exposed surfaces of the mandrel material. The mandrel material is removed. A pattern of the first mask layer and the second mask layer is transferred into the semiconductor substrate.
Status:
Application
Type:
Utility
Filling date:
8 Jul 2020
Issue date:
13 Jan 2022