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    • 2. 发明公开
    • 반도체 소자를 위한 소스/드레인 스택 스트레서
    • 用于半导体器件的源/漏堆叠应力
    • KR1020140042622A
    • 2014-04-07
    • KR1020120153330
    • 2012-12-26
    • 타이완 세미콘덕터 매뉴팩쳐링 컴퍼니 리미티드
    • 우지키앙창관신칭쿼-쳉수춘충주쉬닝
    • H01L29/78H01L21/336
    • H01L29/1054H01L29/66795H01L29/785H01L29/7848
    • The present invention provides a semiconductor device. The semiconductor device includes a substrate, a fin structure made of a first semiconductor material, a gate region which is formed on a part of a fin, a source region and a drain region which are separated by the gate region on the substrate, and a source/drain stack which is formed on the source and drain regions. The lower part of the source/drain stack is formed by a second semiconductor material and touches the lower part of the fin in the gate region. The upper part of the source/drain stack is formed with a third semiconductor material and touches the upper part of the fin in the gate region. [Reference numerals] (102) Provide a substrate including a first fin and a separation region; (104) Recess the first fin; (106) Deposit a first semiconductor material on the recessed first fin; (108) Form a second fin on the recessed first fin; (110) Form a gate stack on a gate region of the second fin; (112) Form a source/drain region by recessing the second fin; (114) Deposit a second semiconductor material on the source/drain region; (116) Deposit a third semiconductor material on the second semiconductor material in the source/drain region
    • 本发明提供一种半导体器件。 半导体器件包括衬底,由第一半导体材料制成的鳍结构,形成在鳍片的一部分上的栅极区域,源极区域和漏极区域,其被衬底上的栅极区域分离,以及 源极/漏极堆叠,其形成在源极和漏极区域上。 源极/漏极叠层的下部由第二半导体材料形成并在栅极区域中接触鳍片的下部。 源极/漏极叠层的上部由第三半导体材料形成,并在栅极区域中接触鳍片的上部。 (102)提供包括第一翅片和分离区域的基板; (104)将第一鳍嵌入; (106)将第一半导体材料沉积在凹进的第一鳍上; (108)在凹进的第一翅片上形成第二鳍片; (110)在第二鳍片的栅极区域上形成栅极叠层; (112)通过使第二鳍片凹陷来形成源极/漏极区域; (114)在源/漏区上沉积第二半导体材料; (116)在源极/漏极区域中的第二半导体材料上沉积第三半导体材料