| 摘要 |
In various embodiments, semiconductor structures and methods to manufacture these structures are disclosed. In one embodiment, a method includes removing a portion of a semiconductor material to form a first protrusion and a cavity having a boundary that is below a surface of the semiconductor material, wherein the first protrusion extends from the boundary of the cavity. The method further includes forming a non-conformal material over a first portion of the first protrusion using an angled deposition of the non-conformal material, wherein the angle of deposition of the non-conformal material is non-perpendicular to the surface of the semiconductor material. Other embodiments are described and claimed.
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