Transistors having ultra thin fin profiles and their methods of fabrication
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United States of America
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Dec 22, 2015
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Dec 22, 2015
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Abstract
A transistor having an ultra thin fin profile and its method of fabrication is described. The transistor comprises a semiconductor substrate having an insulation layer formed on a semiconductor substrate. A fin extends from the semiconductor substrate. The fin has a subfin portion on the semiconductor substrate and an active fin portion on the subfin portion. The subfin portion is disposed in a trench formed in the insulation layer. The subfin portion comprises a III-V semiconductor material and the active fin portion comprises a group IV semiconductor material.
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