Patent ID: 11923366
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: nan (nan)
Classification: CPC nan | IPC H

Claim 11:
12. A method comprising:
forming a first semiconductor fin and a second semiconductor fin extending from a substrate;
forming an insulation material around the first semiconductor fin and the second semiconductor fin, a first portion of the insulation material disposed in a first trench between the first semiconductor fin and the second semiconductor fin, the first portion of the insulation material completely filling the first trench;
forming a hybrid fin on the insulation material, a second portion of the insulation material disposed in a second trench between the second semiconductor fin and the hybrid fin, the second portion of the insulation material not completely filling the second trench; and
recessing the first portion and the second portion of the insulation material to form a first isolation region and a second isolation region, respectively, the first portion of the insulation material recessed a greater depth than the second portion of the insulation material.