公开(公告)号：US07925090B2

公开(公告)日：2011-04-12

申请号：US11601797

申请日：2006-11-20

申请人： Toshiya Kotani ,  Kazuya Fukuhara ,  Kyoko Izuha

发明人： Toshiya Kotani ,  Kazuya Fukuhara ,  Kyoko Izuha

IPC分类号： G06K9/34

CPC分类号： G03F7/70441

摘要： A method of determining a photo mask, includes specifying a mask pattern for a photo mask for a first exposure apparatus, specifying a plurality of exposure conditions allowed to be set for a second exposure apparatus, predicting a projection image of the mask pattern to be projected on a substrate by the second exposure apparatus, for each of the exposure conditions, predicting a processed pattern to be formed on a substrate surface on the basis of the projection image, for each of the exposure conditions, determining whether or not the processed pattern meets a predetermined condition for each of the exposure conditions, and determining that the photo mask is applicable to the second exposure apparatus if the processed pattern meets the predetermined condition for at least one of the exposure conditions.

摘要翻译： 一种确定光掩模的方法包括：为第一曝光装置指定用于光掩模的掩模图案，指定允许为第二曝光装置设置的多个曝光条件，预测要投影的掩模图案的投影图像 在第二曝光装置的基板上，对于每个曝光条件，对于每个曝光条件，基于投影图像预测要在基板表面上形成的处理图案，确定处理图案是否满足 对于每个曝光条件的预定条件，并且如果处理的图案满足至少一个曝光条件的预定条件，则确定光掩模适用于第二曝光装置。

公开(公告)号：US20070130560A1

公开(公告)日：2007-06-07

申请号：US11601797

申请日：2006-11-20

申请人： Toshiya Kotani ,  Kazuya Fukuhara ,  Kyoko Izuha

发明人： Toshiya Kotani ,  Kazuya Fukuhara ,  Kyoko Izuha

IPC分类号： G06F17/50

CPC分类号： G03F7/70441

摘要： A method of determining a photo mask, includes specifying a mask pattern for a photo mask for a first exposure apparatus, specifying a plurality of exposure conditions allowed to be set for a second exposure apparatus, predicting a projection image of the mask pattern to be projected on a substrate by the second exposure apparatus, for each of the exposure conditions, predicting a processed pattern to be formed on a substrate surface on the basis of the projection image, for each of the exposure conditions, determining whether or not the processed pattern meets a predetermined condition for each of the exposure conditions, and determining that the photo mask is applicable to the second exposure apparatus if the processed pattern meets the predetermined condition for at least one of the exposure conditions.

摘要翻译： 一种确定光掩模的方法包括：为第一曝光装置指定用于光掩模的掩模图案，指定允许为第二曝光装置设置的多个曝光条件，预测要投影的掩模图案的投影图像 在第二曝光装置的基板上，对于每个曝光条件，对于每个曝光条件，基于投影图像预测要在基板表面上形成的处理图案，确定处理图案是否满足 对于每个曝光条件的预定条件，并且如果处理的图案满足至少一个曝光条件的预定条件，则确定光掩模适用于第二曝光装置。

公开(公告)号：US07788626B2

公开(公告)日：2010-08-31

申请号：US11138407

申请日：2005-05-27

申请人： Shigeki Nojima ,  Satoshi Tanaka ,  Toshiya Kotani ,  Kyoko Izuha ,  Soichi Inoue

发明人： Shigeki Nojima ,  Satoshi Tanaka ,  Toshiya Kotani ,  Kyoko Izuha ,  Soichi Inoue

IPC分类号： G06F17/50

CPC分类号： G03F1/36

摘要： A pattern data correction method is disclosed, which comprises preparing an integrated circuit pattern, setting a tolerance to the pattern that is allowable error range when the pattern is transferred on a substrate, creating a target pattern within the tolerance, and making correction for the target pattern to make a first correction pattern under a predetermined condition.

摘要翻译： 公开了一种图案数据校正方法，其包括：准备集成电路图案，在图案在衬底上传送时设定容许误差范围的容许度，在公差内产生目标图案，并对目标进行校正 模式以在预定条件下进行第一校正模式。

公开(公告)号：US07200833B2

公开(公告)日：2007-04-03

申请号：US10801798

申请日：2004-03-17

申请人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G06F17/50 ,  G06K9/00

CPC分类号： G03F7/705

摘要： A method in which a desired pattern is compared with a finish pattern to be formed on a wafer, which is predicted from a design pattern, based on a calculation of a light beam intensity, and a deviation quantity of the finish pattern from the desired pattern at each edge of the finish pattern and the desired pattern is calculated, comprising setting a reference light beam intensity for setting the desired pattern on a wafer, setting an evaluation point for comparison of the finish pattern with the desired pattern, calculating a light beam intensity at the evaluation point, calculating a differentiation value of the light beam intensity at the evaluation point, calculating an intersection of the differentiation value with the reference light beam intensity, and calculating a difference between the intersection and the evaluation point, the difference defining an edge deviation quantity of the finish pattern from the desired pattern.

摘要翻译： 将期望图案与根据设计图案预测的要在晶片上形成的光洁度图案进行比较的方法，基于光束强度的计算和完成图案与期望图案的偏差量 在完成图案的每个边缘处并计算所需图案，包括设置用于在晶片上设置期望图案的参考光束强度，设置用于将完成图案与期望图案进行比较的评估点，计算光束强度 在评价点，计算评价点的光束强度的微分值，计算微分值与参考光束强度的交点，计算交点与评价点之间的差，限定边缘的差 完成图案与期望图案的偏差量。

公开(公告)号：US07194704B2

公开(公告)日：2007-03-20

申请号：US11012491

申请日：2004-12-16

申请人： Toshiya Kotani ,  Shigeki Nojima ,  Suigen Kyoh ,  Kyoko Izuha ,  Ryuji Ogawa ,  Satoshi Tanaka ,  Soichi Inoue ,  Hirotaka Ichikawa

发明人： Toshiya Kotani ,  Shigeki Nojima ,  Suigen Kyoh ,  Kyoko Izuha ,  Ryuji Ogawa ,  Satoshi Tanaka ,  Soichi Inoue ,  Hirotaka Ichikawa

IPC分类号： G06F17/50 ,  G06F9/45 ,  G06F9/455

CPC分类号： G06F17/5081 ,  H01L21/0271

摘要： There is disclosed a method of producing a design layout by optimizing at least one of design rule, process proximity correction parameter and process parameter, including calculating a processed pattern shape based on a design layout and a process parameter, extracting a dangerous spot having an evaluation value with respect to the processed pattern shape, which does not satisfy a predetermined tolerance, generating a repair guideline of the design layout based on a pattern included in the dangerous spot, and repairing that portion of the design layout which corresponds to the dangerous spot based on the repair guideline.

摘要翻译： 公开了一种通过优化设计规则，过程接近校正参数和过程参数中的至少一个来生成设计布局的方法，包括基于设计布局和过程参数来计算处理的图案形状，提取具有评估的危险点 相对于不满足预定公差的加工图案形状的值，基于包含在危险点中的图案生成设计布局的修理指南，并且修复与危险点对应的设计布局的那部分 在维修准则上。

公开(公告)号：US20050153217A1

公开(公告)日：2005-07-14

申请号：US11012494

申请日：2004-12-16

申请人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G03F1/36 ,  G03F1/68 ,  G03F1/70 ,  G03F7/20 ,  G03F9/00 ,  G06F17/50 ,  H01L21/027

CPC分类号： G03F7/70441 ,  G03F1/36

摘要： A pattern verification method comprising preparing a desired pattern and a mask pattern forming the desired pattern on a substrate, defining at least one evaluation point on an edge of the desired pattern, defining at least one process parameter to compute the transferred/formed pattern, defining a reference value and a variable range for each of the process parameters, computing a positional displacement for each first points corresponding to the evaluation point, first points computed using correction mask pattern and a plurality of combinations of parameter values obtained by varying the process parameters within the variable range or within the respective variable ranges, the positional displacement being displacement between first point and the evaluation point, computing a statistics of the positional displacements for each of the evaluation points, and outputting information modifying the mask pattern according to the statistics.

摘要翻译： 一种图案验证方法，包括在衬底上制备期望图案和形成期望图案的掩模图案，在期望图案的边缘上限定至少一个评估点，限定至少一个工艺参数以计算所转印/形成的图案，定义 对于每个过程参数的参考值和可变范围，计算与评估点相对应的每个第一点的位置位移，使用校正掩模图案计算的第一点和通过改变其中的处理参数而获得的参数值的多个组合 可变范围或在各个可变范围内，位置偏移是第一点和评估点之间的位移，计算每个评估点的位置偏移的统计，以及根据统计信息输出修改掩模图案的信息。

公开(公告)号：US07631287B2

公开(公告)日：2009-12-08

申请号：US11727288

申请日：2007-03-26

申请人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G06F17/50

CPC分类号： G03F7/705

摘要： A method in which a desired pattern is compared with a finish pattern to be formed on a wafer, which is predicted from a design pattern, based on a calculation of a light beam intensity, and a deviation quantity of the finish pattern from the desired pattern at each edge of the finish pattern and the desired pattern is calculated, comprising setting a reference light beam intensity for setting the desired pattern on a wafer, setting an evaluation point for comparison of the finish pattern with the desired pattern, calculating a light beam intensity at the evaluation point, calculating a differentiation value of the light beam intensity at the evaluation point, calculating an intersection of the differentiation value with the reference light beam intensity, and calculating a difference between the intersection and the evaluation point, the difference defining an edge deviation quantity of the finish pattern from the desired pattern.

摘要翻译： 将期望图案与根据设计图案预测的要在晶片上形成的光洁度图案进行比较的方法，基于光束强度的计算和完成图案与期望图案的偏差量 在完成图案的每个边缘处并计算所需图案，包括设置用于在晶片上设置期望图案的参考光束强度，设置用于将完成图案与期望图案进行比较的评估点，计算光束强度 在评价点，计算评价点的光束强度的微分值，计算微分值与参考光束强度的交点，计算交点与评价点之间的差，限定边缘的差 完成图案与期望图案的偏差量。

公开(公告)号：US07571417B2

公开(公告)日：2009-08-04

申请号：US11012494

申请日：2004-12-16

申请人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G06F17/50

CPC分类号： G03F7/70441 ,  G03F1/36

摘要： A pattern verification method includes preparing a desired pattern and a mask pattern forming the desired pattern on a substrate, defining at least one evaluation point on an edge of the desired pattern, defining at least one process parameter to compute the transferred/formed pattern, defining a reference value and a variable range for each of the process parameters, and computing a positional displacement for each first points corresponding to the evaluation point, first points computed using correction mask pattern and a plurality of combinations of parameter values obtained by varying the process parameters within the variable range or within the respective variable ranges. The positional displacement is a displacement between first point and the evaluation point. The method further includes computing a statistics of the positional displacements for each of the evaluation points, and outputting information modifying the mask pattern according to the statistics.

摘要翻译： 模式验证方法包括在衬底上制备期望图案和形成期望图案的掩模图案，在期望图案的边缘上限定至少一个评估点，限定至少一个过程参数以计算所转移/形成的图案，定义 针对每个处理参数的参考值和可变范围，并且计算与评估点相对应的每个第一点的位置偏移，使用校正掩模图案计算的第一点和通过改变处理参数获得的参数值的多个组合 在可变范围内或在相应的可变范围内。 位置偏移是第一点与评价点之间的位移。 该方法还包括计算每个评估点的位置偏移的统计量，并根据统计信息输出修改掩模图案的信息。

公开(公告)号：US20070226676A1

公开(公告)日：2007-09-27

申请号：US11727288

申请日：2007-03-26

申请人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G06F17/50

CPC分类号： G03F7/705

摘要： A method in which a desired pattern is compared with a finish pattern to be formed on a wafer, which is predicted from a design pattern, based on a calculation of a light beam intensity, and a deviation quantity of the finish pattern from the desired pattern at each edge of the finish pattern and the desired pattern is calculated, comprising setting a reference light beam intensity for setting the desired pattern on a wafer, setting an evaluation point for comparison of the finish pattern with the desired pattern, calculating a light beam intensity at the evaluation point, calculating a differentiation value of the light beam intensity at the evaluation point, calculating an intersection of the differentiation value with the reference light beam intensity, and calculating a difference between the intersection and the evaluation point, the difference defining an edge deviation quantity of the finish pattern from the desired pattern.

公开(公告)号：US08078996B2

公开(公告)日：2011-12-13

申请号：US12457751

申请日：2009-06-19

申请人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

发明人： Kyoko Izuha ,  Shigeki Nojima ,  Toshiya Kotani ,  Satoshi Tanaka

IPC分类号： G06F17/50

CPC分类号： G03F7/70441 ,  G03F1/36

摘要： A pattern verification method includes preparing a desired pattern and a mask pattern forming the desired pattern on a substrate, defining at least one evaluation point on an edge of the desired pattern, defining at least one process parameter to compute the transferred/formed pattern, defining a reference value and a variable range for each of the process parameters, and computing a positional displacement for each first points corresponding to the evaluation point, first points computed using correction mask pattern and a plurality of combinations of parameter values obtained by varying the process parameters within the variable range or within the respective variable ranges. The positional displacement is a displacement between first point and the evaluation point. The method further includes computing a statistics of the positional displacements for each of the evaluation points, and outputting information modifying the mask pattern according to the statistics.

摘要翻译： 模式验证方法包括在衬底上制备期望图案和形成期望图案的掩模图案，在期望图案的边缘上限定至少一个评估点，限定至少一个过程参数以计算所转移/形成的图案，定义 针对每个处理参数的参考值和可变范围，并且计算与评估点相对应的每个第一点的位置偏移，使用校正掩模图案计算的第一点和通过改变处理参数获得的参数值的多个组合 在可变范围内或在相应的可变范围内。 位置偏移是第一点与评价点之间的位移。 该方法还包括计算每个评估点的位置偏移的统计量，并根据统计信息输出修改掩模图案的信息。