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    • 5. 发明申请
    • METHODS FOR FORMING A COMPOSITE PATTERN INCLUDING PRINTED RESOLUTION ASSIST FEATURES
    • 用于形成复合图案的方法,包括印刷分辨率辅助特征
    • US20090181330A1
    • 2009-07-16
    • US12013627
    • 2008-01-14
    • Allen H. GaborScott D. HalleHelen Wang
    • Allen H. GaborScott D. HalleHelen Wang
    • G03F7/20
    • H01L21/0337G03F7/70433G03F7/70466
    • An underlayer to be patterned with a composite pattern is formed on a substrate. The composite pattern is decomposed into a first pattern and a second pattern, each having reduced complexity than the composite pattern. A hard mask layer is formed directly on the underlying layer. A first photoresist is applied over the hard mask layer and lithographically patterned with the first pattern, which is transferred into the hard mask layer by a first etch. A second photoresist is applied over the hard mask layer. The second photoresist is patterned with the second pattern to expose portions of the underlying layer. The exposed portions of the underlying layer are etched employing the second photoresist and the hard mask layer, which contains the first pattern so that the composite pattern is transferred into the underlying layer.
    • 在基板上形成图案化复合图案的底层。 复合图案被分解为第一图案和第二图案,每个图案具有比复合图案更低的复杂度。 硬掩模层直接形成在下层上。 将第一光致抗蚀剂施加在硬掩模层上并用第一图案进行光刻图案化,其通过第一蚀刻转移到硬掩模层中。 在硬掩模层上施加第二光致抗蚀剂。 用第二图案对第二光致抗蚀剂进行图案化以暴露下层的部分。 使用包含第一图案的第二光致抗蚀剂和硬掩模层来蚀刻下层的暴露部分,使得复合图案被转移到下层中。
    • 8. 发明授权
    • Layered multiple description coding
    • 分层多重描述编码
    • US07426677B2
    • 2008-09-16
    • US11787387
    • 2007-04-16
    • Philip Andrew ChouVenkata N. PadmanabhanHelen Wang
    • Philip Andrew ChouVenkata N. PadmanabhanHelen Wang
    • H03M13/00
    • H04N21/6405H04N19/39
    • A data sequence may be encoded in a plurality of layers of multiple description coding. The layers of multiple description coding may include a first and a second layer of multiple description coding. The first layer of multiple description coding may include an initial part of a data sequence as well as forward error correction code for the initial part. The second layer of multiple description coding may include a next part of the data sequence as well as forward error correction code for the next part. A first set of data sequence breakpoints may be determined for the first layer of multiple description coding. A second set of data sequence breakpoints may be determined for the second layer. The data sequence may be encoded in the plurality of layers of multiple description coding as a function of the first and second sets of data sequence breakpoints.
    • 数据序列可以被编码在多个多描述编码层中。 多描述编码的层可以包括多描述编码的第一和第二层。 多描述编码的第一层可以包括数据序列的初始部分以及初始部分的前向纠错码。 多重描述编码的第二层可以包括数据序列的下一部分以及下一部分的前向纠错码。 可以为第一层多重描述编码确定第一组数据序列断点。 可以为第二层确定第二组数据序列断点。 数据序列可以在多个描述编码的多个层中作为第一和第二组数据序列断点进行编码。
    • 10. 发明授权
    • Systems and methods for overlay shift determination
    • 覆盖变换确定的系统和方法
    • US07550303B2
    • 2009-06-23
    • US11279534
    • 2006-04-12
    • Patricia ArgandonaFaisal AzamAndrew LuHelen Wang
    • Patricia ArgandonaFaisal AzamAndrew LuHelen Wang
    • H01L21/66G06F19/00
    • H01L22/34
    • Method for measuring misalignment between at least two layers of an integrated circuit. The method includes applying a current between a plurality of probe members in a first layer, wherein a first probe member and a second probe member of the plurality of probe members are substantially aligned along a first axis and partially overlap an overlay target in a second layer, measuring a voltage across the plurality of probe members wherein at least a voltage across the first probe member and a third probe member disposed perpendicular to the first axis and a voltage across the second probe member and the third probe member are measured, and determining an amount of misalignment between the first layer and the second layer along at least one of the first axis and the second axis based on the measuring steps.
    • 用于测量集成电路的至少两层之间的未对准的方法。 该方法包括在第一层中的多个探针构件之间施加电流,其中多个探针构件中的第一探针构件和第二探针构件沿着第一轴线基本上对准并且部分地与第二层中的覆盖目标重叠 测量所述多个探针构件上的电压,其中测量所述第一探针构件和垂直于所述第一轴线设置的至少一个电压以及横跨所述第二探针构件和所述第三探针构件的电压,并且确定 基于测量步骤沿着第一轴和第二轴的至少一个,第一层和第二层之间的未对准量。