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    • 4. 发明授权
    • Slot via filled dual damascene interconnect structure without middle etch stop layer
    • 通过填充的双镶嵌互连结构的槽,没有中间蚀刻停止层
    • US06603206B2
    • 2003-08-05
    • US10105509
    • 2002-03-26
    • Fei WangLynne A. OkadaRamkumar SubramanianCalvin T. Gabriel
    • Fei WangLynne A. OkadaRamkumar SubramanianCalvin T. Gabriel
    • H01L23522
    • H01L21/76835H01L21/76808H01L2221/1031Y10S977/827
    • An interconnect structure and method of forming the same in which a bottom anti-reflective coating/etch stop layer is deposited over a conductive layer. An inorganic low k dielectric material is deposited over the BARC/etch stop layer to form a first dielectric layer. The first dielectric layer is etched to form a slot via in the first dielectric layer. An organic low k dielectric material is deposited within the slot via and over the first dielectric layer to form a second dielectric layer over the slot via and the first dielectric layer. The re-filled via is simultaneously etched with the second dielectric layer in which a trench is formed. The trench extends in a direction that is normal to the length of the slot via. The entire width of the trench is directly over the via. The re-opened via and the trench are filled with a conductive material.
    • 一种互连结构及其形成方法,其中底部抗反射涂层/蚀刻停止层沉积在导电层上。 无机低k介电材料沉积在BARC /蚀刻停止层上以形成第一介电层。 蚀刻第一介电层以在第一介电层中形成槽通孔。 有机低k电介质材料通过第一电介质层和第一介电层上方沉积在槽内,以在槽通孔和第一介电层上形成第二电介质层。 再次填充的通孔与其中形成沟槽的第二电介质层同时蚀刻。 沟槽沿与槽通孔的长度垂直的方向延伸。 沟槽的整个宽度直接在通孔上方。 重新打开的通孔和沟槽填充有导电材料。
    • 6. 发明授权
    • Solid image pickup device
    • 固体图像拾取装置
    • US06828679B2
    • 2004-12-07
    • US10420706
    • 2003-04-23
    • Teiji Azumi
    • Teiji Azumi
    • H01L23522
    • H01L27/14683H01L27/14812H01L27/14831
    • The invention is to provide a solid image pickup device having high electric pressure proof between charge transfer electrodes of mono-layered structure, and enabling to drive at high speed with low consumption electric power. In this invention, a silicone base is formed on a surface thereof with an insulating film, on a surface of which inter-electrode insulating films of an oxidized silicone film and charge transfer electrodes are provided. The charge transfer electrode includes an adhesion film so formed as to cover a side wall of the inter-electrode insulating film and a gate insulating film as well as a conductive film containing metals in an area surrounded with the adhesion film. The adhesion film is formed with, e.g., polycrystalline silicone of highly dense dope, while the conductive film is formed with, e.g., a tungsten layer. The charge transfer electrode is formed on the upper face with the oxidized silicone film.
    • 本发明提供一种在单层结构的电荷传输电极之间具有高电压力的固体摄像装置,并能够以低功耗电力高速驱动。 在本发明中,在其表面上形成有绝缘膜的硅氧烷基底,其表面上设有氧化硅酮薄膜和电荷转移电极的电极间绝缘膜。 电荷转移电极包括形成为覆盖电极间绝缘膜的侧壁和栅极绝缘膜的粘合膜以及在由粘合膜包围的区域中含有金属的导电膜。 粘合膜由高密度掺杂的多晶硅形成,而导电膜由例如钨层形成。 电荷转移电极在氧化的硅氧烷膜的上表面上形成。
    • 10. 发明授权
    • Interconnect structure with air gap compatible with unlanded vias
    • 互连结构与空隙兼容,与非接地通孔
    • US06492732B2
    • 2002-12-10
    • US09849666
    • 2001-05-04
    • Ellis LeeShih-Wei Sun
    • Ellis LeeShih-Wei Sun
    • H01L23522
    • H01L21/7682H01L21/76802
    • An interconnect structure has a substrate having devices already formed thereon. A dielectric layer covers over the substrate. A conductive structure having at least two substructure separated by an air gap is formed on the dielectric layer. A capping layer covers the conductive structure and the air gap. The capping layer at a portion above the air gap also fills into the air gap by a predetermined distance. The air gap may also extend into the dielectric layer to have a greater height. An etching stop layer is formed on the capping layer. An inter-metal dielectric layer is formed on the etching stop layer. The inter-metal dielectric layer, the etching stop layer and the capping layer are patterned to form an opening that exposes a top surface of the conductive structure. The opening may also expose a top portion of a sidewall of the conductive structure if a misalignment occurs, but the opening does not expose the air gap due to protection from the predetermined distance of the capping layer within the air gap. A next level of conductive structure can be formed to fill the opening. A liner layer can be also formed on a sidewall of the substructure interfacing the air gap, so as to protect the conductive structure.
    • 互连结构具有其上已经形成有器件的衬底。 电介质层覆盖在衬底上。 在电介质层上形成具有至少两个由气隙分隔的子结构的导电结构。 覆盖层覆盖导电结构和气隙。 在气隙上方的一部分上的覆盖层也填充到气隙中预定的距离。 气隙也可以延伸到电介质层中以具有更大的高度。 在覆盖层上形成蚀刻停止层。 在蚀刻停止层上形成金属间介电层。 将金属间介电层,蚀刻停止层和覆盖层图案化以形成露出导电结构的顶表面的开口。 如果发生不对准,则开口也可能暴露出导电结构的侧壁的顶部部分,但是由于防止气隙内的封盖层的预定距离的保护,开口不暴露气隙。 可以形成下一级的导电结构以填充开口。 衬垫层也可以形成在与气隙接合的子结构的侧壁上,以便保护导电结构。