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Methods of forming conductive contact structures for a semiconductor device with a larger metal silicide contact area and the resulting devices

Abstract

One illustrative method disclosed herein includes, among other things, forming a first episemiconductor material in a Source/drain region of a transistor device, the first episemi conductor material having a first lateral width at an upper Surface thereof, forming a second episemiconductor material on the first episemiconductor material and above at least a portion of one of a gate cap layer or one of the sidewall spacers of the device, wherein the second episemiconductor material has a second lateral width at an upper Surface thereof that is greater than the first lateral width, and forming a metal silicide region on the upper Surface of the second episemi conductor material.

Date
2016
Authors
R Xie, WJ Taylor Jr, AP Jacob
Inventors
Ruilong Xie, William J Taylor Jr, Ajey Poovannummoottil Jacob
Patent_office
US
Patent_number
9318552
Application_number
14283404