Patent ID: 9455336
Filing Date: 2016-09-27
CPC Classification: H01L

Claim Text:
1. A structure comprising: a first region on a substrate; a second region on the substrate; a plurality of Silicon fins, with a uniform fin pitch, in the first region of the substrate, the plurality of Silicon fins each having a width less than or equal to 10 nm, and the uniform fin pitch of the plurality of Silicon fins is equal to a width of one silicon fin plus a width of one silicon-germanium fin; and a plurality of Silicon-Germanium fins, with a uniform fin pitch, in the second region of the substrate, the plurality of Silicon-Germanium fins each having a width less than or equal to 10 nm, and the uniform fin pitch of the plurality of Silicon-Germanium fins is equal to the width of one silicon-germanium fin plus the width of one silicon fin, and wherein the Silicon-Germanium fins are at least 50 nm tall and have Germanium concentration of at least 25% Germanium.