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    • 1. 发明申请
    • METAL CUT PROCESS FLOW
    • 金属切割工艺流程
    • US20130280909A1
    • 2013-10-24
    • US13451605
    • 2012-04-20
    • Yuan-Hsiang LungKuei-Shun ChenMeng-Wei ChenChia-Ying Lee
    • Yuan-Hsiang LungKuei-Shun ChenMeng-Wei ChenChia-Ying Lee
    • H01L21/306G03F1/70
    • H01L21/31144G03F1/70H01L21/76816
    • A method for optimizing masks used for forming conductive features and a method for creating the mask features on an IC device are disclosed. An exemplary embodiment includes receiving a design database including a plurality of conductive features. First and second features suitable for joining are identified from the plurality of conductive features. A joined feature corresponding to the first and the second features is characterized. A cut shape configured to separate the first and second features from the joined feature is also characterized. The joined feature is categorized into a first conductive mask, the cut shape is categorized into a cut mask, and a third feature is categorized into a second conductive mask. The categorized shapes and features of the first conductive mask, the second conductive mask, and the cut mask are provided for manufacturing a mask set corresponding to the categorized shapes and features.
    • 公开了一种用于优化用于形成导电特征的掩模的方法和用于在IC器件上产生掩模特征的方法。 示例性实施例包括接收包括多个导电特征的设计数据库。 从多个导电特征中识别适合于接合的第一和第二特征。 表征与第一和第二特征对应的连接特征。 被配置为将第一和第二特征与接合的特征分离的切割形状也被表征。 连接的特征被分类为第一导电掩模,切割形状被分为切割掩模,第三特征被分类为第二导电掩模。 提供第一导电掩模,第二导电掩模和切割掩模的分类形状和特征,用于制造对应于分类形状和特征的掩模组。
    • 2. 发明授权
    • Metal cut process flow
    • 金属切割工艺流程
    • US08850369B2
    • 2014-09-30
    • US13451605
    • 2012-04-20
    • Yuan-Hsiang LungKuei-Shun ChenMeng-Wei ChenChia-Ying Lee
    • Yuan-Hsiang LungKuei-Shun ChenMeng-Wei ChenChia-Ying Lee
    • G06F17/50
    • H01L21/31144G03F1/70H01L21/76816
    • A method for optimizing masks used for forming conductive features and a method for creating the mask features on an IC device are disclosed. An exemplary embodiment includes receiving a design database including a plurality of conductive features. First and second features suitable for joining are identified from the plurality of conductive features. A joined feature corresponding to the first and the second features is characterized. A cut shape configured to separate the first and second features from the joined feature is also characterized. The joined feature is categorized into a first conductive mask, the cut shape is categorized into a cut mask, and a third feature is categorized into a second conductive mask. The categorized shapes and features of the first conductive mask, the second conductive mask, and the cut mask are provided for manufacturing a mask set corresponding to the categorized shapes and features.
    • 公开了一种用于优化用于形成导电特征的掩模的方法和用于在IC器件上产生掩模特征的方法。 示例性实施例包括接收包括多个导电特征的设计数据库。 从多个导电特征中识别适合于接合的第一和第二特征。 表征与第一和第二特征对应的连接特征。 被配置为将第一和第二特征与接合的特征分离的切割形状也被表征。 连接的特征被分类为第一导电掩模,切割形状被分为切割掩模,第三特征被分类为第二导电掩模。 提供第一导电掩模,第二导电掩模和切割掩模的分类形状和特征,用于制造对应于分类形状和特征的掩模组。
    • 7. 发明授权
    • Method of reducing critical dimension bias of dense pattern and isolation pattern
    • 降低密集图案和隔离图案的关键尺寸偏差的方法
    • US07097945B2
    • 2006-08-29
    • US10249559
    • 2003-04-18
    • Ching-Yu ChangHsin-huei ChenMeng-Wei Chen
    • Ching-Yu ChangHsin-huei ChenMeng-Wei Chen
    • G03F1/00H01L21/302
    • G03F1/70
    • A method of reducing a critical dimension (“CD”) bias between a dense pattern and an isolation pattern is disclosed. The method includes a first step of providing a mask having a dense pattern, an isolation pattern and the other area of the mask is transparent, in which mask the dense pattern has a first opaque pattern and the isolation pattern has a second opaque pattern. The second step of the method is forming a virtual pattern around the isolation pattern, in which a distance between the virtual pattern and the isolation pattern is y, and the virtual pattern has a pattern line width x. By forming the virtual pattern around the isolation pattern, the flare effect of the isolation pattern is close to that of the dense pattern, thus the CD bias between a dense pattern, and an isolation pattern is reduced, and the process window does not shrink.
    • 公开了一种降低致密图案和隔离图案之间的临界尺寸(“CD”)偏压的方法。 该方法包括提供具有致密图案的掩模,隔离图案和掩模的另一区域是透明的第一步骤,其中密集图案具有第一不透明图案,并且隔离图案具有第二不透明图案。 该方法的第二步是在隔离图案周围形成虚拟图案,其中虚拟图案和隔离图案之间的距离为y,虚拟图案具有图案线宽度x。 通过在隔离图案周围形成虚拟图案,隔离图案的耀斑效应接近密集图案的闪光效果,因此减小密集图案和隔离图案之间的CD偏差,并且处理窗口不缩小。
    • 9. 发明申请
    • OVERLAY MARK ENHANCEMENT FEATURE
    • OVERLAY MARK ENHANCEMENT功能
    • US20120038021A1
    • 2012-02-16
    • US12854660
    • 2010-08-11
    • Meng-Wei ChenChi-Chuang LeeChung-Hsien Lin
    • Meng-Wei ChenChi-Chuang LeeChung-Hsien Lin
    • H01L23/544H01L29/06G03F7/20H01L21/02
    • G03F7/70633G03F9/7076G03F9/7084H01L2924/0002H01L2924/00
    • Methods and apparatuses for alignment are disclosed. An exemplary method includes providing a substrate having a device region and an alignment region; forming a first material layer over the substrate; forming a device feature and a dummy feature in the first material layer, wherein the device feature is formed in the device region and the dummy feature is formed in the alignment region; forming a second material layer over the first material layer; and forming an alignment feature in the second material layer, the alignment feature being disposed over the dummy feature in the alignment region. The device feature has a first dimension and the dummy feature has a second dimension, the second dimension being less than a resolution of an alignment mark detector
    • 公开了用于对准的方法和装置。 一种示例性方法包括提供具有器件区域和对准区域的衬底; 在所述衬底上形成第一材料层; 在所述第一材料层中形成器件特征和虚拟特征,其中所述器件特征形成在所述器件区域中,并且所述伪特征形成在所述对准区域中; 在所述第一材料层上形成第二材料层; 以及在所述第二材料层中形成对准特征,所述对准特征被布置在所述对准区域中的所述虚拟特征之上。 设备特征具有第一维度,虚拟特征具有第二维度,第二维度小于对准标记检测器的分辨率