Hybrid process for forming metal gates
    41.
    发明申请
    Hybrid process for forming metal gates 有权
    用于形成金属门的混合工艺

    公开(公告)号:US20080173947A1

    公开(公告)日:2008-07-24

    申请号:US11656711

    申请日:2007-01-23

    Abstract: A semiconductor structure and methods for forming the same are provided. The semiconductor structure includes a first MOS device of a first conductivity type and a second MOS device of a second conductivity type opposite the first conductivity type. The first MOS device includes a first gate dielectric on a semiconductor substrate; a first metal-containing gate electrode layer over the first gate dielectric; and a silicide layer over the first metal-containing gate electrode layer. The second MOS device includes a second gate dielectric on the semiconductor substrate; a second metal-containing gate electrode layer over the second gate dielectric; and a contact etch stop layer having a portion over the second metal-containing gate electrode layer, wherein a region between the portion of the contact etch stop layer and the second metal-containing gate electrode layer is substantially free from silicon.

    Abstract translation: 提供半导体结构及其形成方法。 半导体结构包括第一导电类型的第一MOS器件和与第一导电类型相反的第二导电类型的第二MOS器件。 第一MOS器件包括在半导体衬底上的第一栅极电介质; 在所述第一栅极电介质上的第一含金属的栅电极层; 以及位于第一含金属栅电极层上的硅化物层。 第二MOS器件包括半导体衬底上的第二栅极电介质; 在所述第二栅极电介质上方的第二含金属的栅电极层; 以及具有位于所述第二含金属栅电极层上的部分的接触蚀刻停止层,其中所述接触蚀刻停止层的所述部分和所述第二含金属栅电极层之间的区域基本上不含硅。

    Method of damascene process flow
    42.
    发明授权
    Method of damascene process flow 有权
    镶嵌工艺流程的方法

    公开(公告)号:US06960496B2

    公开(公告)日:2005-11-01

    申请号:US10407095

    申请日:2003-04-03

    Abstract: A method of integrated circuit fabrication includes first forming at least one via in an insulting layer, and thereafter forming at least one trench-like structure separately. After a via is formed in an insulating layer, a layer of resist material is formed on the surface of the insulting layer and substantially filled the via. This step is followed by patterning at least one trench-like structure on the resist layer, and the trench-like structure is etched to the desired level. In some other embodiments, at least one trench-like structure is formed before at least one via is formed. An integrated circuit is manufactured by the aforementioned methods.

    Abstract translation: 集成电路制造的方法包括首先在绝缘层中形成至少一个通孔,然后分开形成至少一个沟槽状结构。 在绝缘层中形成通孔之后,在绝缘层的表面上形成抗蚀材料层,并且基本上填充了通孔。 该步骤之后是在抗蚀剂层上图案化至少一个沟槽状结构,并且将沟槽状结构蚀刻到期望的水平。 在一些其它实施例中,在形成至少一个通孔之前形成至少一个沟槽状结构。 通过上述方法制造集成电路。

    Seal ring design without stop layer punch through during via etch
    43.
    发明申请
    Seal ring design without stop layer punch through during via etch 审中-公开
    密封圈设计,无停止层通孔蚀刻过程中

    公开(公告)号:US20050184388A1

    公开(公告)日:2005-08-25

    申请号:US10782365

    申请日:2004-02-19

    CPC classification number: H01L23/585 H01L2924/0002 H01L2924/00

    Abstract: In accordance with the objective of the invention a new method is provided for the creation of a seal ring having dissimilar elements. The Critical Dimensions of the seal ring are selected with respect to the CD of other device features, such a seal vias, such that the difference in etch sensitivity between the created seal ring and the via holes is removed. All etch of the simultaneously etched features is completed at the same time, avoiding punch through of an underlying layer of etch stop material.

    Abstract translation: 根据本发明的目的,提供了一种用于创建具有不同元件的密封环的新方法。 密封环的临界尺寸相对于其它装置特征(例如密封通孔)的CD被选择,使得所产生的密封环和通孔之间的蚀刻敏感性的差异被去除。 同时蚀刻的特征的所有蚀刻同时完成,避免冲蚀下一层蚀刻停止材料。

    Scheme to define laser fuse in dual damascene CU process
    44.
    发明授权
    Scheme to define laser fuse in dual damascene CU process 失效
    激光熔丝在双镶嵌CU工艺中的定义

    公开(公告)号:US06737345B1

    公开(公告)日:2004-05-18

    申请号:US10238290

    申请日:2002-09-10

    CPC classification number: H01L23/5258 H01L2924/0002 H01L2924/00

    Abstract: A method of fabrication used for semiconductor integrated circuit devices to define a thin copper fuse at a top via opening, in a partial etch, dual damascene integration scheme, efficiently reducing top metal thickness in a fusible link, for the purpose of laser ablation. Some advantages of the method are: (a) avoids copper fuse contact to low dielectric material, which is subject to the thermal shock of laser ablation, (b) increases insulating material thickness over the fuse using better thickness control, and most importantly, (c) reduces the copper fuse thickness, for easy laser ablation of the copper fuse, and finally, (d) uses USG, undoped silicate glass to avoid direct contact with low dielectric constant materials.

    Abstract translation: 为了激光烧蚀的目的,用于半导体集成电路器件的半导体集成电路器件的方法在部分蚀刻双镶嵌集成方案中,在顶部通孔开口处限定薄铜熔丝,从而有效地降低可熔连接中的顶部金属厚度。 该方法的一些优点是:(a)避免铜熔丝与低介电材料接触,这受到激光烧蚀的热冲击,(b)使用更好的厚度控制增加保险丝上的绝缘材料厚度,最重要的是( c)降低铜熔丝厚度,便于铜熔丝的激光烧蚀,最后,(d)使用USG,未掺杂的硅酸盐玻璃避免与低介电常数材料的直接接触。

    Modified dual damascene process
    45.
    发明授权
    Modified dual damascene process 有权
    改良双镶嵌工艺

    公开(公告)号:US6093632A

    公开(公告)日:2000-07-25

    申请号:US206738

    申请日:1998-12-07

    Applicant: Kang-Cheng Lin

    Inventor: Kang-Cheng Lin

    CPC classification number: H01L21/7681

    Abstract: A process for creating a metal filled, dual damascene opening, in a composite insulator layer, has been developed. The process features selective RIE procedures, used to create a wide diameter opening in an upper silicon oxide layer, and a narrow diameter opening in a lower silicon oxide layer. Small area, silicon nitride islands, or shapes, a component of the composite insulator layer, are used as a stop layer, during the selective RIE procedures. The use of small area, silicon nitride shapes, offers less composite insulator capacitance, than counterparts fabricated using larger area, silicon nitride stop layers.

    Abstract translation: 已经开发了用于在复合绝缘体层中形成金属填充的双镶嵌开口的方法。 该工艺具有用于在上氧化硅层中形成宽直径开口的选择性RIE程序和在下部氧化硅层中的窄直径开口。 在选择性RIE程序期间,复合绝缘体层的小面积,氮化硅岛或形状被用作停止层。 与使用较大面积的氮化硅阻挡层制造的对应物相比,使用小面积的氮化硅形状提供较少的复合绝缘体电容。

    Hybrid polysilicon/amorphous silicon TFT and method of fabrication
    46.
    发明授权
    Hybrid polysilicon/amorphous silicon TFT and method of fabrication 失效
    混合多晶硅/非晶硅TFT及其制造方法

    公开(公告)号:US5864150A

    公开(公告)日:1999-01-26

    申请号:US82778

    申请日:1998-05-21

    Applicant: Kang-Cheng Lin

    Inventor: Kang-Cheng Lin

    CPC classification number: H01L29/66765 H01L29/78669 H01L29/78678

    Abstract: The present invention discloses a hybrid polysilicon/amorphous silicon TFT device for switching a LCD and a method for fabrication wherein a n.sup.+ doped amorphous silicon layer is advantageously used as a mask during a laser annealing process such that only a selected portion of a hydrogenated amorphous silicon layer is converted to a crystalline structure while other portions retain their amorphous structure. As a result, a polysilicon TFT and at least one amorphous silicon TFT are formed in the same structure and the benefits of both a polysilicon TFT and amorphous silicon TFT such as a high charge current and a low leakage current are retained in the hybrid structure.

    Abstract translation: 本发明公开了一种用于切换LCD的混合多晶硅/非晶硅TFT器件及其制造方法,其中在激光退火工艺期间有利地使用n +掺杂非晶硅层作为掩模,使得只有选定部分的氢化非晶硅 层转化为晶体结构,而其它部分保留其非晶结构。 结果,在相同的结构中形成多晶硅TFT和至少一个非晶硅TFT,并且在混合结构中保留诸如高充电电流和低漏电流的多晶硅TFT和非晶硅TFT的优点。

    Method of making a polysilicon carbon source/drain heterojunction
thin-film transistor
    47.
    发明授权
    Method of making a polysilicon carbon source/drain heterojunction thin-film transistor 失效
    制造多晶硅碳源/漏极异质结薄膜晶体管的方法

    公开(公告)号:US5811325A

    公开(公告)日:1998-09-22

    申请号:US775603

    申请日:1996-12-31

    CPC classification number: H01L29/66765 H01L29/78618

    Abstract: The present invention includes forming a conductive layer on a substrate. Portions of the conductive layer are removed using a first photoresist layer as a mask. A first oxide layer is formed over the conductive layer and the substrate, and an amorphous silicon layer is then formed on the first oxide layer. After annealing the amorphous silicon layer, thereby transforming amorphous silicon layer to a polysilicon layer, a second oxide layer is formed on the polysilicon layer. The second oxide layer is removed using a second photoresist layer as a mask. An amorphous silicon carbon layer is formed over the second oxide layer and the polysilicon layer, and a heavily-doped amorphous silicon carbon layer is formed on the amorphous silicon carbon layer. After annealing the heavily-doped amorphous silicon carbon layer and the amorphous silicon carbon layer, thereby transforming the heavily-doped amorphous silicon carbon layer to a heavily-doped polysilicon carbon layer, and transforming the amorphous silicon carbon layer to a polysilicon carbon layer, portions of the polysilicon carbon layer, the heavily-doped polysilicon carbon layer and the polysilicon layer are removed using a third photoresist layer as a mask.

    Abstract translation: 本发明包括在基板上形成导电层。 使用第一光致抗蚀剂层作为掩模去除部分导电层。 在导电层和基板上形成第一氧化物层,然后在第一氧化物层上形成非晶硅层。 在非晶硅层退火之后,将非晶硅层转化为多晶硅层,在多晶硅层上形成第二氧化物层。 使用第二光致抗蚀剂层作为掩模去除第二氧化物层。 在第二氧化物层和多晶硅层上形成非晶硅碳层,在非晶硅碳层上形成重掺杂的非晶硅碳层。 在重掺杂非晶硅碳层和非晶硅碳层退火之后,将重掺杂非晶硅碳层转化为重掺杂多晶硅碳层,并将非晶硅碳层转化为多晶碳层, 的多晶硅碳层,使用第三光致抗蚀剂层作为掩模去除重掺杂多晶硅碳层和多晶硅层。

    Method of fabricating polycrystalline silicon thin-film transistor
having symmetrical lateral resistors
    48.
    发明授权
    Method of fabricating polycrystalline silicon thin-film transistor having symmetrical lateral resistors 失效
    制造具有对称横向电阻器的多晶硅薄膜晶体管的方法

    公开(公告)号:US5783843A

    公开(公告)日:1998-07-21

    申请号:US822225

    申请日:1997-03-21

    Applicant: Kang-Cheng Lin

    Inventor: Kang-Cheng Lin

    Abstract: A method of fabricating a polycrystalline silicon thin-film transistor having two symmetrical lateral resistors is disclosed. Two sub-gates are formed along with a gate in the gate metal or polysilicon layer of the thin-film transistor. The two sub-gates that are located symmetrically on the two sides of the gate have equal distances to the gate. One sub-gate is near the drain of the thin film transistor and the other near the source. Two sections in the polycrystalline silicon layer of the thin film transistor are blocked by the two sub-gates and no impurity material is doped. The two undoped sections form the symmetrical lateral resistors of this invention. The lateral resistor near the drain decreases the electric field in the nearby depletion area when the thin-film transistor is switched off. The current leakage is reduced.

    Abstract translation: 公开了一种制造具有两个对称横向电阻器的多晶硅薄膜晶体管的方法。 两个子栅极与薄膜晶体管的栅极金属或多晶硅层中的栅极一起形成。 对称地位于栅极两侧的两个子栅极具有与栅极相等的距离。 一个子栅极在薄膜晶体管的漏极附近,另一个靠近源极。 薄膜晶体管的多晶硅层中的两个部分被两个子栅极阻挡,并且不掺杂杂质材料。 两个未掺杂部分形成本发明的对称横向电阻器。 当薄膜晶体管关闭时,漏极附近的横向电阻减小了附近耗尽区域中的电场。 电流泄漏减少。

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