Invention Grant
US09236437B2 Method for creating self-aligned transistor contacts 有权
用于产生自对准晶体管触点的方法

Method for creating self-aligned transistor contacts
Abstract:
Embodiments of the present invention provide improved methods of contact formation. A self aligned contact scheme with reduced lithography requirements is disclosed. This reduces the risk of shorts between source/drains and gates, while providing improved circuit density. Cavities are formed adjacent to the gates, and a fill metal is deposited in the cavities to form contact strips. A patterning mask is then used to form smaller contacts by performing a partial metal recess of the contact strips.
Public/Granted literature
Information query
Patent Agency Ranking
0/0