{"id":8123,"date":"2026-02-09T13:11:06","date_gmt":"2026-02-09T04:11:06","guid":{"rendered":"https:\/\/aizoth.com\/?post_type=use_case&#038;p=8123"},"modified":"2026-02-09T13:11:06","modified_gmt":"2026-02-09T04:11:06","slug":"contents-e027","status":"publish","type":"use_case","link":"https:\/\/aizoth.com\/en\/use_case\/contents-e027\/","title":{"rendered":"Multi-Process Optimization for Semiconductor Fabrication Using Multi-Sigma\u00ae"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong><strong><strong>Multi-Sigma<sup>\u00ae<\/sup>\u2019s AI Chain Analysis integrates multiple AI models into a unified pipeline to achieve multi-process optimization.<\/strong><\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px;text-decoration:underline\"><strong>1. <strong>AI Chain Analysis with Multi-Sigma<sup>\u00ae<\/sup><\/strong><\/strong><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Multi-Sigma<sup>\u00ae<\/sup> can build a predictive model for lithography\/etching\/cleaning process based on process conditions and the corresponding measured performance metrics. Then, Multi-Sigma<sup>\u00ae<\/sup> AI Chain Analysis integrates multiple AI models into a unified pipeline to achieve multi-process optimization.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"324\" src=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/1_ChainAnalysis_EN-1024x324.png\" alt=\"AI Chain Analysis with Multi-Sigma\u00ae\" class=\"wp-image-8126\" srcset=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/1_ChainAnalysis_EN-1024x324.png 1024w, https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/1_ChainAnalysis_EN-300x95.png 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px;text-decoration:underline\">2. <strong><strong>Contribution Analysis across Multiple Processes<\/strong><\/strong><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Multi-Sigma\u00ae\u2019s contribution analysis identifies process conditions that positively or negatively impact the performance metrics. For example, the figure on the right shows the top five process parameters that are most effective in reducing defect density across multiple processes.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"290\" src=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/2_contribution_EN-1024x290.png\" alt=\"Contribution Analysis across Multiple Processes\" class=\"wp-image-8127\" srcset=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/2_contribution_EN-1024x290.png 1024w, https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/2_contribution_EN-300x85.png 300w, https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/2_contribution_EN.png 1337w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:30px;text-decoration:underline\">3. <strong>Multi-Process Optimization with Multi-Sigma<sup>\u00ae<\/sup><\/strong><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Multi-Sigma<sup>\u00ae<\/sup>\u2019s optimization suggests the optimal combination of process conditions across multiple processes under specified constraints.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Expected outcomes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-medium-font-size\">1. Minimize defect density and critical dimension error<\/li>\n\n\n\n<li class=\"has-medium-font-size\">2. Maximize throughput<\/li>\n\n\n\n<li class=\"has-medium-font-size\">3. Set target values: resist thickness 200 nm \/ sidewall angle 88 deg<\/li>\n<\/ul>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">AI Chain Analysis extends optimization beyond individual process tuning to multi-process optimization.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"885\" src=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/3_opt_EN-1024x885.png\" alt=\"Multi-Process Optimization with Multi-Sigma\u00ae\" class=\"wp-image-8128\" style=\"aspect-ratio:1.278465840990811\" srcset=\"https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/3_opt_EN-1024x885.png 1024w, https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/3_opt_EN-300x259.png 300w, https:\/\/aizoth.com\/wp-content\/uploads\/2026\/02\/3_opt_EN.png 1092w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Note : The data used in this analysis are synthetic, modeled on real world data.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-black-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/aizoth.com\/en\/contact\/\" style=\"border-radius:100px;background-color:#ffe200\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Contact Us<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-center has-large-font-size 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