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    • 3. 发明授权
    • Method of forming a configuration of interconnections on a semiconductor
device having a high integration density
    • 在具有高积分密度的半导体器件上形成互连结构的方法
    • US4936950A
    • 1990-06-26
    • US339029
    • 1989-04-14
    • Trung T. DoanLeendert De BruinMalcolm K. GriefHarald Godon
    • Trung T. DoanLeendert De BruinMalcolm K. GriefHarald Godon
    • H01L21/3205H01L21/768H01L23/52
    • H01L21/76877
    • A method of the kind consisting in that a contact is obtained with an active zone (11) carried by a semiconductor substrate (10) by means of conductive contact studs (18a) located in the contact openings (16c) of an isolating layer (12) and in that then a metallic configuration of interconnections (22) is formed establishing the conductive connection with the conductive contact studs (18a). A separation layer (13) is provided between the isolating layer (12) and the conductive layer (18), which can be eliminated selectively with respect to the isolating layer (12). Thus, the isolating layer (12) retains its original flatness and the conductive contact studs (18a) have an upper level (20) exceeding slightly the level (21) of the isolating layer (12), thus favoring the contact between these contact studs (18a) and the metallic configuration of interconnections (22). Application in microcircuits having a high integration density.
    • 一种方法,其特征在于,通过位于隔离层(12)的接触开口(16c)中的导电接触柱(18a),通过由半导体衬底(10)承载的有源区(11)获得接触, ),然后形成互连(22)的金属构造,以与导电触头柱(18a)建立导电连接。 隔离层(13)设置在隔离层(12)和导电层(18)之间,可以相对于隔离层(12)选择性去除。 因此,绝缘层(12)保持其原始平坦度,并且导电触头柱(18a)具有超过隔离层(12)的水平面(21)的上部水平(20),因此有利于这些触头柱之间的接触 (18a)和互连(22)的金属构造。 应用于具有高集成密度的微电路。
    • 5. 发明授权
    • Container capacitor structure and method of formation thereof
    • 集装箱电容器结构及其形成方法
    • US08124491B2
    • 2012-02-28
    • US12547197
    • 2009-08-25
    • D. Mark DurcanTrung T. DoanRoger R. LeeFernando Gonzalez
    • D. Mark DurcanTrung T. DoanRoger R. LeeFernando Gonzalez
    • H01L21/8242
    • H01L28/91H01L27/10811H01L27/10817H01L27/10852H01L27/10888H01L28/65Y10S257/905
    • Disclosed is a container capacitor structure and method of constructing it. An etch mask and etch are used to expose portions of an exterior surface of electrode (“bottom electrodes”) of the container capacitor structure. The etch provides a recess between proximal pairs of container capacitor structures, which recess is available for forming additional capacitance. Accordingly, a capacitor dielectric and a top electrode are formed on and adjacent to, respectively, both an interior surface and portions of the exterior surface of the first electrode. Advantageously, surface area common to both the first electrode and second electrodes is increased over using only the interior surface, which provides additional capacitance without a decrease in spacing for clearing portions of the capacitor dielectric and the second electrode away from a contact hole location. Furthermore, such clearing of the capacitor dielectric and the second electrode portions may be done at an upper location of a substrate assembly in contrast to clearing at a bottom location of a contact via.
    • 公开了一种容器电容器结构及其构造方法。 蚀刻掩模和蚀刻用于暴露容器电容器结构的电极(“底部电极”)的外部表面的部分。 蚀刻在容器电容器结构的近端对之间提供凹槽,该凹槽可用于形成额外的电容。 因此,电容器电介质和顶电极分别形成在第一电极的外表面的内表面和部分上并相邻。 有利地,仅使用内表面增加了第一电极和第二电极两者共同的表面积,这提供了额外的电容,而不会减小用于清除电容器电介质部分和第二电极远离接触孔位置的间隔。 此外,与在接触通孔的底部位置处的清除相反,电容器电介质和第二电极部分的这种清除可以在衬底组件的上部位置进行。
    • 10. 发明授权
    • Selective provision of a diblock copolymer material
    • 选择性提供二嵌段共聚物材料
    • US07625694B2
    • 2009-12-01
    • US10840535
    • 2004-05-06
    • Eugene P. MarshDaryl C. NewTrung T. Doan
    • Eugene P. MarshDaryl C. NewTrung T. Doan
    • B05D1/36G03F1/00
    • H01L21/0274G03F7/039H01L21/312
    • Disclosed herein are techniques for using diblock copolymer (DBCP) films as etch masks to form small dots or holes in integrated circuit layers. In an embodiment, the DBCP film is deposited on the circuit layer to be etched. Then the DCBP film is confined to define an area of interest in the DCBP film in which hexagonal domains will eventually be formed. Such confinement can constitute masking and exposing the DCBP film using photolithographic techniques. Such masking preferably incorporates knowledge of the domain spacing and/or grain size of the to-be-formed domains in the area of interest to ensure that a predictable number and/or orientation of the domains will result in the area of interest, although this is not strictly necessary in all useful embodiments. Domains are then formed in the area of interest in the DBCP film which comprises a hexagonal array of cylindrical domains in a matrix. The film is then treated (e.g., with osmium or ozone) to render either the domains or the matrix susceptible to removal, while the other component is then used as a mask to etch either dots or holes in the underlying circuit layer.
    • 本文公开了使用二嵌段共聚物(DBCP)膜作为蚀刻掩模在集成电路层中形成小点或孔的技术。 在一个实施例中,DBCP膜沉积在待蚀刻的电路层上。 然后将DCBP膜限制在DCBP膜中限定最终将形成六方结构域的感兴趣区域。 这种约束可以使用光刻技术构成掩蔽和暴露DCBP膜。 这种掩蔽优选地结合了感兴趣区域中待形成区域的结构域间隔和/或晶粒尺寸的知识,以确保域的可预测数量和/或取向将导致感兴趣的区域,尽管这 在所有有用的实施例中并不是绝对必要的。 然后在DBCP膜中的感兴趣区域中形成畴,其包括在矩阵中的圆柱形域的六边形阵列。 然后将膜处理(例如,用锇或臭氧)以使得区域或基质易于除去,而另一种组分然后用作掩模来蚀刻底层电路层中的任何点或孔。