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    • 4. 发明申请
    • METHOD OF FORMING CONDUCTIVE INTERCONNECTIONS IN POROUS INSULATING FILMS AND ASSOCIATED DEVICE
    • WO2002071476A3
    • 2002-09-12
    • PCT/US2002/003945
    • 2002-02-01
    • ADVANCED MICRO DEVICES, INC.
    • PELLERIN, John, G.WRISTERS, Derick, J.
    • H01L21/768
    • The integrated circuit device disclosed herein comprises an insulating layer (32) comprised of a first insulating material that has an opening (36) formed therein as defined by at least one sidewall (36A), at least one sidewall spacer (40) positioned adjacent the sidewall (36A) of the opening (36), the sidewall spacer (40) being comprised of a second insulating material, and a conductive interconnection (42) formed in the opening (36) in the insulating layer (32). In a further embodiment, the first insulating material has a dielectric constant less than approximately 3, and a density less than approximately 1.2 grams/cc, whereas the second insulating material has a dielectric constant less than approximately 7 and a density less than approximately 3 grams/cc. The method disclosed herein comprises forming an opening (36) in a first layer (32) of a first insulating material, the opening (36) being defined by at least one sidewall (36A), and conformally depositing a second layer (38) comprised of a second insulating material in the opening (36) above the sidewall (36A). The method further comprises performing an anisotropic etching process on the second layer to define a sidewall spacer (40) comprised of the second insulating material positioned adjacent the sidewall (36A) of the opening (36), and forming a conductive interconnection (42) in the opening (36) in the insulating layer (32) between the sidewall spacer (40).
    • 6. 发明申请
    • METHOD OF FORMING SILICIDE CONTACTS AND DEVICE INCORPORATING SAME
    • 形成硅氧烷接触的方法和包含它们的装置
    • WO2002075781A2
    • 2002-09-26
    • PCT/US2002/002774
    • 2002-02-01
    • ADVANCED MICRO DEVICES, INC.
    • PELLERIN, John, G.CHEEK, Jon, D.DAWSON, RobertHAUSE, Frederick, N.LUNING, Scott, D.
    • H01L
    • H01L29/66507H01L21/823443H01L29/665H01L29/6653
    • A transistor, comprising a semiconducting substrate (30), a gate insulation layer (48) positioned above the substrate (30), agate electrode (46) positioned above the gate insulation layer (48), a plurality of source/drain regions formed in the substrate (30), a first (40A) and a second (52) sidewall spacer positioned adjacent the gate electrode (46), and a metal silicide layer (54) formed above each of the source/drain regions, a portion of the metal silicide layer (54) being positioned adjacent the first sidewall spacer (40A) and under the second sidewall spacer (52). The method comprises forming a transistor by forming a gate insulation layer (48) and a gate electrode (46) above a semiconducting substrate (30), forming a first sidewall spacer (40A) adjacent the gate electrode (46), forming a metal silicide layer (50) adjacent the first sidewall spacer (40A) and above previously formed implant regions in the substrate, forming a second sidewall spacer (52) above a portion of the metal silicide layer (50) and adjacent the first sidewall spacer (40A), and forming additional metal silicide material (50A) above the metal silicide layer (50) extending beyond the second sidewall spacer (52).
    • 一种晶体管,包括半导体衬底(30),位于衬底(30)上方的栅极绝缘层(48),位于栅极绝缘层(48)上方的玛瑙电极(46),多个源极/漏极区域 基板(30),邻近栅电极(46)定位的第一(40A)和第二(52)侧壁间隔物,以及形成在每个源极/漏极区域上方的金属硅化物层(54) 金属硅化物层(54)定位成邻近第一侧壁间隔物(40A)并位于第二侧壁间隔物(52)下方。 该方法包括通过在半导体衬底(30)上形成栅极绝缘层(48)和栅电极(46)来形成晶体管,形成邻近栅电极(46)的第一侧壁间隔物(40A),形成金属硅化物 邻近第一侧壁间隔物(40A)的层(50)以及衬底中先前形成的注入区域,在金属硅化物层(50)的一部分上方并邻近第一侧壁间隔物(40A)形成第二侧壁间隔物(52) 并且在金属硅化物层(50)之上形成延伸超过第二侧壁间隔物(52)的附加金属硅化物材料(50A)。