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    • 3. 发明授权
    • Pedestal guard ring having continuous M1 metal barrier connected to crack stop
    • 具有连续的M1金属屏障的基座保护环连接到裂缝停止
    • US08188574B2
    • 2012-05-29
    • US12704567
    • 2010-02-12
    • Matthew S. AngyalMahender KumarEffendi LeobandungJay W. Strane
    • Matthew S. AngyalMahender KumarEffendi LeobandungJay W. Strane
    • H01L29/72
    • H01L23/585H01L21/76264H01L23/562H01L2924/0002H01L2924/00
    • A microelectronic element, e.g., a semiconductor chip having a silicon-on-insulator layer (“SOI layer”) separated from a bulk monocrystalline silicon layer by a buried oxide (BOX) layer in which a crack stop extends in first lateral directions at least generally parallel to the edges of the chip to define a ring-like barrier separating an active portion of the chip inside the barrier with a peripheral portion of the chip. The crack stop can include a first crack stop ring contacting a silicon portion of the chip above the BOX layer; the first crack stop ring may extend continuously in the first lateral directions to surround the active portion of the chip. A guard ring (“GR”) including a GR contact ring can extend downwardly through the SOI layer and the BOX layer to conductively contact the bulk monocrystalline silicon region, the GR contact ring extending at least generally parallel to the first crack stop ring to surround the active portion of the chip. A continuous metal ring extending continuously in the first lateral directions can surround the active portion of the chip, such metal ring connecting the GR contact ring with the first crack stop ring such that the metal line and the GR contact ring form a continuous seal preventing mobile ions from moving between the peripheral and active portions of the chip.
    • 微电子元件,例如具有通过掩埋氧化物(BOX)层与大块单晶硅层分离的绝缘体上硅层(“SOI层”)的半导体芯片,其中裂纹阻挡层在第一横向至少延伸至少 通常平行于芯片的边缘以限定将芯片内的芯片的有源部分与芯片的周边部分分开的环状势垒。 裂纹停止件可以包括与BOX层上方的芯片的硅部分接触的第一裂纹阻挡环; 第一裂纹阻挡环可以在第一横向方向上连续延伸以围绕芯片的有效部分。 包括GR接触环的保护环(“GR”)可以向下延伸穿过SOI层和BOX层以导电接触大块单晶硅区域,GR接触环至少大致平行于第一裂纹阻挡环延伸以包围 芯片的有效部分。 在第一横向方向上连续延伸的连续金属环可以围绕芯片的有效部分,这种金属环将GR接触环与第一裂纹阻止环连接,使得金属线和GR接触环形成连续的密封,防止移动 离子在芯片的外围和有源部分之间移动。
    • 4. 发明申请
    • PEDESTAL GUARD RING HAVING CONTINUOUS M1 METAL BARRIER CONNECTED TO CRACK STOP
    • 带有连续断裂连续的M1金属障碍物的PEDESTAL GUARD RING
    • US20100200958A1
    • 2010-08-12
    • US12704567
    • 2010-02-12
    • Matthew S. AngyalMahender KumarEffendi LeobandungJay W. Strane
    • Matthew S. AngyalMahender KumarEffendi LeobandungJay W. Strane
    • H01L23/00H01L21/762
    • H01L23/585H01L21/76264H01L23/562H01L2924/0002H01L2924/00
    • A microelectronic element, e.g., a semiconductor chip having a silicon-on-insulator layer (“SOI layer”) separated from a bulk monocrystalline silicon layer by a buried oxide (BOX) layer in which a crack stop extends in first lateral directions at least generally parallel to the edges of the chip to define a ring-like barrier separating an active portion of the chip inside the barrier with a peripheral portion of the chip. The crack stop can include a first crack stop ring contacting a silicon portion of the chip above the BOX layer; the first crack stop ring may extend continuously in the first lateral directions to surround the active portion of the chip. A guard ring (“GR”) including a GR contact ring can extend downwardly through the SOI layer and the BOX layer to conductively contact the bulk monocrystalline silicon region, the GR contact ring extending at least generally parallel to the first crack stop ring to surround the active portion of the chip. A continuous metal ring extending continuously in the first lateral directions can surround the active portion of the chip, such metal ring connecting the GR contact ring with the first crack stop ring such that the metal line and the GR contact ring form a continuous seal preventing mobile ions from moving between the peripheral and active portions of the chip.
    • 微电子元件,例如具有通过掩埋氧化物(BOX)层与大块单晶硅层分离的绝缘体上硅层(“SOI层”)的半导体芯片,其中裂纹阻挡层在第一横向至少延伸至少 通常平行于芯片的边缘以限定将芯片内的芯片的有源部分与芯片的周边部分分开的环状势垒。 裂纹停止件可以包括与BOX层上方的芯片的硅部分接触的第一裂纹阻挡环; 第一裂纹阻挡环可以在第一横向方向上连续延伸以围绕芯片的有效部分。 包括GR接触环的保护环(“GR”)可以向下延伸穿过SOI层和BOX层以导电接触大块单晶硅区域,GR接触环至少大致平行于第一裂纹阻挡环延伸以包围 芯片的有效部分。 在第一横向方向上连续延伸的连续金属环可以围绕芯片的有效部分,这种金属环将GR接触环与第一裂纹阻止环连接,使得金属线和GR接触环形成连续的密封,防止移动 离子在芯片的外围和有源部分之间移动。
    • 5. 发明申请
    • STRUCTURE AND METHOD OF MANUFACTURING A STRAINED FinFET WITH STRESSED SILICIDE
    • 具有应力硅化物的应变FinFET的结构和方法
    • US20080173942A1
    • 2008-07-24
    • US11625431
    • 2007-01-22
    • Huilong ZhuSiddhartha PandaJay W. StraneSey-Ping SunBrian L. Tessier
    • Huilong ZhuSiddhartha PandaJay W. StraneSey-Ping SunBrian L. Tessier
    • H01L29/786H01L21/336
    • H01L29/785H01L29/66795
    • A stressed semiconductor structure including at least one FinFET device on a surface of a substrate, typically a buried insulating layer of an initial semiconductor-on-insulator substrate, is provided. In a preferred embodiment, the at least one FinFET device includes a semiconductor Fin that is located on an unetched portion of the buried insulator layer which has a raised height as compared to an adjacent and adjoining etched portion of the buried insulating layer. The semiconductor Fin includes a gate dielectric on its sidewalls and optionally a hard mask located on an upper surface thereof. The inventive structure also includes a gate conductor, which is located on the surface of the substrate, typically the buried insulating layer, and the gate conductor is at least laterally adjacent to the gate dielectric located on the sidewalls of the semiconductor Fin. A stressed silicide is located on the gate conductor, which introduces stress into the channel of the FinFET device. The stressed silicide memorizes the stress from a sacrificial stressed film that is formed prior to forming the stressed silicide. The stress type of the stressed film is introduced into the silicide during a silicide anneal step.
    • 提供了一种应力半导体结构,其包括在衬底的表面上的至少一个FinFET器件,通常是初始绝缘体上半导体衬底的掩埋绝缘层。 在优选实施例中,所述至少一个FinFET器件包括位于所述掩埋绝缘体层的未蚀刻部分上的半导体Fin,所述半导体Fin与所述掩埋绝缘层的相邻和相邻蚀刻部分相比具有升高的高度。 半导体鳍包括其侧壁上的栅极电介质和任选地位于其上表面上的硬掩模。 本发明的结构还包括栅极导体,其位于衬底的表面上,通常为掩埋绝缘层,并且栅极导体至少横向邻近位于半导体Fin的侧壁上的栅极电介质。 应力硅化物位于栅极导体上,其将应力引入FinFET器件的沟道中。 应力硅化物记忆在形成应力硅化物之前形成的牺牲应力膜的应力。 在硅化物退火步骤期间,将应力膜的应力类型引入到硅化物中。