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