Abstract:
Methods for fabricating a semiconductor device include forming a composite film, forming a rough pattern on the composite film, forming a smooth pattern by subjecting the rough pattern to ion implantation and a plasma treatment, and patterning the composite film using the smooth pattern as a first mask.
Abstract:
Semiconductor devices may include a semiconductor substrate with a first semiconductor fin aligned end-to-end with a second semiconductor with a recess between facing ends of the first and second semiconductor fins. A first insulator pattern is formed adjacent sidewalls of the first and second semiconductor fins and a second insulator pattern is formed within the first recess. The second insulator pattern may have a top surface higher than a top surface of the first insulator pattern, such as to the height of the top surface of the fins (or higher or lower). First and second gates extend along sidewalls and a top surface of the first semiconductor fin. A dummy gate electrode may be formed on the top surface of the second insulator. Methods for manufacture of the same and modifications are also disclosed.
Abstract:
Semiconductor devices may include a semiconductor substrate with a first semiconductor fin aligned end-to-end with a second semiconductor with a recess between facing ends of the first and second semiconductor fins. A first insulator pattern is formed adjacent sidewalls of the first and second semiconductor fins and a second insulator pattern is formed within the first recess. The second insulator pattern may have a top surface higher than a top surface of the first insulator pattern, such as to the height of the top surface of the fins (or higher or lower). First and second gates extend along sidewalls and a top surface of the first semiconductor fin. A dummy gate electrode may be formed on the top surface of the second insulator. Methods for manufacture of the same and modifications are also disclosed.
Abstract:
The disclosure provides semiconductor devices and methods of manufacturing the same. The method includes etching a substrate using a first mask pattern formed on the substrate to form a trench, forming a preliminary device isolation pattern filling the trench and including first and second regions having first thicknesses, forming a second mask pattern on the first region, etching an upper portion of the second region and a portion of the first mask pattern, which are exposed by the second mask pattern, to form a second region having a second thickness smaller than the first thickness, removing the first and second mask patterns, and etching upper portions of the first region and the second region having the second thickness to form a device isolation pattern defining preliminary fin-type active patterns. An electronic device including a semiconductor device and a manufacturing method thereof are also disclosed.