JP2021026692A - 異常検知システム - Google Patents
異常検知システム Download PDFInfo
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- JP2021026692A JP2021026692A JP2019146524A JP2019146524A JP2021026692A JP 2021026692 A JP2021026692 A JP 2021026692A JP 2019146524 A JP2019146524 A JP 2019146524A JP 2019146524 A JP2019146524 A JP 2019146524A JP 2021026692 A JP2021026692 A JP 2021026692A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/024—Quantitative history assessment, e.g. mathematical relationships between available data; Functions therefor; Principal component analysis [PCA]; Partial least square [PLS]; Statistical classifiers, e.g. Bayesian networks, linear regression or correlation analysis; Neural networks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67248—Temperature monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67253—Process monitoring, e.g. flow or thickness monitoring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67288—Monitoring of warpage, curvature, damage, defects or the like
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- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Description
本実施形態にかかる異常検知システムについて説明する。ここでは、異常検知システムが半導体ウェハへのレジストの塗布工程や現像工程を行う塗布・現像装置での異常検知を行うものとして用いられる場合を例に挙げて説明する。
本開示は、上記した実施形態に準拠して記述されたが、当該実施形態に限定されるものではなく、様々な変形例や均等範囲内の変形をも包含する。加えて、様々な組み合わせや形態、さらには、それらに一要素のみ、それ以上、あるいはそれ以下、を含む他の組み合わせや形態をも、本開示の範疇や思想範囲に入るものである。
2 レジスト
20 熱板
30 冷却板
60 制御部
61 波形取得部
62 異常度算出部
63 閾値記憶部
64 異常判定部
Claims (5)
- 時系列で変化する波形データを取得する波形取得部(61)と、
前記波形取得部が取得した波形データより単位時間毎のデータ値における差分の絶対値を累積した累積値から異常度を算出する異常度算出部(62)と、
前記異常度算出部が算出した異常度に基づいて、前記波形データが正常であるか異常であるかを判定する異常判定部(64)と、を有している異常検知システム。 - 前記異常度と比較される閾値を記憶した閾値記憶部(63)を有し、
前記異常判定部は、前記異常度を前記閾値と比較することで、前記波形データが正常であるか異常であるかを判定する、請求項1に記載の異常検知システム。 - 前記温度測定対象は、半導体ウェハ(1)の加熱もしくは冷却を行う際に該半導体ウェハが載置される載置板(20、30)である、請求項3に記載の異常検知システム。
- 前記閾値記憶部が記憶する前記閾値は、前記波形データが正常であるときの正常データと異常であるときの異常データそれぞれに基づいて、前記異常度算出部にて前記正常データの際の異常度と前記異常データの際の異常度とを算出し、前記正常データの際の異常度と前記異常データの際の異常度との間の値として予め設定された値である、請求項1ないし4のいずれか1つに記載の異常検知システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019146524A JP7115441B2 (ja) | 2019-08-08 | 2019-08-08 | 異常検知システム |
PCT/JP2020/029540 WO2021024957A1 (ja) | 2019-08-08 | 2020-07-31 | 異常検知システム |
CN202080054275.7A CN114175226A (zh) | 2019-08-08 | 2020-07-31 | 异常检测系统 |
US17/547,381 US20220102173A1 (en) | 2019-08-08 | 2021-12-10 | Abnormality detection system |
Applications Claiming Priority (1)
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---|---|---|---|
JP2019146524A JP7115441B2 (ja) | 2019-08-08 | 2019-08-08 | 異常検知システム |
Publications (2)
Publication Number | Publication Date |
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JP2021026692A true JP2021026692A (ja) | 2021-02-22 |
JP7115441B2 JP7115441B2 (ja) | 2022-08-09 |
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JP2019146524A Active JP7115441B2 (ja) | 2019-08-08 | 2019-08-08 | 異常検知システム |
Country Status (4)
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US (1) | US20220102173A1 (ja) |
JP (1) | JP7115441B2 (ja) |
CN (1) | CN114175226A (ja) |
WO (1) | WO2021024957A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117076522A (zh) * | 2023-10-13 | 2023-11-17 | 北京嘉洁能科技股份有限公司 | 一种热量数据处理方法及智能热量表数据处理系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013050861A (ja) * | 2011-08-31 | 2013-03-14 | Tokyo Gas Co Ltd | 異常検出装置および異常検出方法 |
JP2017151598A (ja) * | 2016-02-23 | 2017-08-31 | 株式会社安川電機 | 異常判定装置、異常判定プログラム、異常判定システム、及びモータ制御装置 |
JP2017183704A (ja) * | 2016-03-25 | 2017-10-05 | 東京エレクトロン株式会社 | 基板搬送装置及び基板搬送方法 |
JP2018151771A (ja) * | 2017-03-10 | 2018-09-27 | 荏原環境プラント株式会社 | プロセス管理支援装置および方法 |
Family Cites Families (4)
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CN1702849A (zh) * | 2004-05-26 | 2005-11-30 | 松下电器产业株式会社 | 温度异常检测方法及半导体制造装置 |
US20070010906A1 (en) * | 2005-07-11 | 2007-01-11 | Tokyo Electron Limited | Apparatus and system for monitoring a substrate processing, program for monitoring the processing and storage medium storing same |
US8134681B2 (en) * | 2006-02-17 | 2012-03-13 | Nikon Corporation | Adjustment method, substrate processing method, substrate processing apparatus, exposure apparatus, inspection apparatus, measurement and/or inspection system, processing apparatus, computer system, program and information recording medium |
EP3594694B1 (en) * | 2017-03-10 | 2022-11-23 | Hitachi High-Tech Corporation | Automatic analysis device |
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2019
- 2019-08-08 JP JP2019146524A patent/JP7115441B2/ja active Active
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2020
- 2020-07-31 CN CN202080054275.7A patent/CN114175226A/zh active Pending
- 2020-07-31 WO PCT/JP2020/029540 patent/WO2021024957A1/ja active Application Filing
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2021
- 2021-12-10 US US17/547,381 patent/US20220102173A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013050861A (ja) * | 2011-08-31 | 2013-03-14 | Tokyo Gas Co Ltd | 異常検出装置および異常検出方法 |
JP2017151598A (ja) * | 2016-02-23 | 2017-08-31 | 株式会社安川電機 | 異常判定装置、異常判定プログラム、異常判定システム、及びモータ制御装置 |
JP2017183704A (ja) * | 2016-03-25 | 2017-10-05 | 東京エレクトロン株式会社 | 基板搬送装置及び基板搬送方法 |
JP2018151771A (ja) * | 2017-03-10 | 2018-09-27 | 荏原環境プラント株式会社 | プロセス管理支援装置および方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117076522A (zh) * | 2023-10-13 | 2023-11-17 | 北京嘉洁能科技股份有限公司 | 一种热量数据处理方法及智能热量表数据处理系统 |
CN117076522B (zh) * | 2023-10-13 | 2023-12-22 | 北京嘉洁能科技股份有限公司 | 一种热量数据处理方法及智能热量表数据处理系统 |
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Publication number | Publication date |
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WO2021024957A1 (ja) | 2021-02-11 |
US20220102173A1 (en) | 2022-03-31 |
CN114175226A (zh) | 2022-03-11 |
JP7115441B2 (ja) | 2022-08-09 |
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