JP4379870B2 - 膜厚測定方法および膜厚測定装置 - Google Patents
膜厚測定方法および膜厚測定装置 Download PDFInfo
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- JP4379870B2 JP4379870B2 JP2004073689A JP2004073689A JP4379870B2 JP 4379870 B2 JP4379870 B2 JP 4379870B2 JP 2004073689 A JP2004073689 A JP 2004073689A JP 2004073689 A JP2004073689 A JP 2004073689A JP 4379870 B2 JP4379870 B2 JP 4379870B2
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- film thickness
- removal process
- measurement
- organic substance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0641—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of polarization
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0675—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating using interferometry
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
3 有機物除去部
9 基板
23 エリプソメータ
41 測定演算部
42 膜厚算出部
43 記憶部
81 補正用データ
S11,S13,S14,S16,S17,S19,S20 ステップ
Claims (7)
- 基板上に形成された薄膜の厚さを測定する膜厚測定方法であって、
基板上に薄膜を形成した直後に取得される膜厚を真の膜厚として、前記基板に付着した有機物の除去処理による膜厚の測定値の減少量と、前記除去処理の前または後に付着している有機物に起因する前記真の膜厚と測定値との差である有機物付着量との関係を示す補正用データを準備する工程と、
有機物の除去処理前の基板の膜厚の第1測定値を取得する第1膜厚測定工程と、
前記基板に前記除去処理を施す工程と、
前記除去処理後の前記基板の膜厚の第2測定値を取得する第2膜厚測定工程と、
前記第1測定値と前記第2測定値との差および前記補正用データに基づいて、前記除去処理の前または後の有機物付着量を求める工程と、
前記第1測定値および前記除去処理の前の有機物付着量、または、前記第2測定値および前記除去処理の後の有機物付着量に基づいて前記基板上に形成された薄膜の厚さを求める工程と、
を備え、
前記補正用データを準備する工程、および、前記除去処理を施す工程における前記除去処理が、一定の温度にて一定の時間だけ基板を加熱するものであることを特徴とする膜厚測定方法。 - 請求項1に記載の膜厚測定方法であって、
前記補正用データにおいて、前記減少量と前記有機物付着量との関係が線形であることを特徴とする膜厚測定方法。 - 請求項1または2に記載の膜厚測定方法であって、
前記除去処理を施す工程と前記第2膜厚測定工程との間に、前記基板を冷却する工程をさらに備えることを特徴とする膜厚測定方法。 - 請求項1ないし3のいずれかに記載の膜厚測定方法であって、
前記除去処理を施す工程の後、一定時間経過時に前記第2膜厚測定工程が行われることを特徴とする膜厚測定方法。 - 請求項1ないし4のいずれかに記載の膜厚測定方法であって、
前記第1膜厚測定工程および前記第2膜厚測定工程において、前記基板からの光を用いて前記薄膜の厚さが測定されることを特徴とする膜厚測定方法。 - 請求項5に記載の膜厚測定方法であって、
前記第1膜厚測定工程および前記第2膜厚測定工程において、エリプソメータを用いて前記薄膜の厚さが測定されることを特徴とする膜厚測定方法。 - 基板上に形成された薄膜の厚さを測定する膜厚測定装置であって、
一定の温度にて一定の時間だけ基板を加熱することにより、前記基板に付着した有機物の除去を行う有機物除去部と、
前記有機物除去部による除去処理前の基板の膜厚の第1測定値を取得するとともに、前記除去処理後の前記基板の膜厚の第2測定値を取得する膜厚測定部と、
基板上に薄膜を形成した直後に取得される膜厚を真の膜厚として、前記基板に付着した有機物の除去処理による膜厚の測定値の減少量と、前記除去処理の前または後に付着している有機物に起因する前記真の膜厚と測定値との差である有機物付着量との関係を示す補正用データを記憶する記憶部と、
前記第1測定値、前記第2測定値および前記補正用データを用いて基板上に形成された薄膜の厚さを求める膜厚算出部と、
を備えることを特徴とする膜厚測定装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004073689A JP4379870B2 (ja) | 2004-03-16 | 2004-03-16 | 膜厚測定方法および膜厚測定装置 |
EP05003910A EP1577636B1 (en) | 2004-03-16 | 2005-02-23 | Method and apparatus for measuring thickness of thin film formed on substrate |
DE602005017960T DE602005017960D1 (de) | 2004-03-16 | 2005-02-23 | Verfahren und Vorrichtung zur Messung der Dicke eines dünnen Films auf einem Substrat |
US11/069,996 US7427520B2 (en) | 2004-03-16 | 2005-03-03 | Method and apparatus for measuring thickness of thin film formed on substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004073689A JP4379870B2 (ja) | 2004-03-16 | 2004-03-16 | 膜厚測定方法および膜厚測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005265418A JP2005265418A (ja) | 2005-09-29 |
JP4379870B2 true JP4379870B2 (ja) | 2009-12-09 |
Family
ID=34836503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004073689A Expired - Fee Related JP4379870B2 (ja) | 2004-03-16 | 2004-03-16 | 膜厚測定方法および膜厚測定装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7427520B2 (ja) |
EP (1) | EP1577636B1 (ja) |
JP (1) | JP4379870B2 (ja) |
DE (1) | DE602005017960D1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007040930A (ja) * | 2005-08-05 | 2007-02-15 | Ebara Corp | 膜厚測定方法及び基板処理装置 |
US20120222464A1 (en) * | 2011-03-04 | 2012-09-06 | Shenzhen China Star Optoelectronics Technology Co. Ltd | Film-thickness measuring device and calibration method thereof |
KR102292209B1 (ko) * | 2014-07-28 | 2021-08-25 | 삼성전자주식회사 | 반도체 계측 시스템 및 이를 이용한 반도체 소자의 계측 방법 |
CN104613883B (zh) * | 2015-02-11 | 2017-11-17 | 南通大学 | 金属薄板印刷涂层的湿膜厚度差分测量及均匀性评估方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6146541A (en) * | 1997-05-02 | 2000-11-14 | Motorola, Inc. | Method of manufacturing a semiconductor device that uses a calibration standard |
US6325078B2 (en) * | 1998-01-07 | 2001-12-04 | Qc Solutions, Inc., | Apparatus and method for rapid photo-thermal surface treatment |
JPH11297689A (ja) | 1998-04-08 | 1999-10-29 | Sony Corp | シリコン絶縁膜の熱処理方法並びに半導体装置の製造方法 |
US6303397B1 (en) * | 1999-04-13 | 2001-10-16 | Agere Systems Guardian Corp. | Method for benchmarking thin film measurement tools |
US6261853B1 (en) * | 2000-02-07 | 2001-07-17 | Therma-Wave, Inc. | Method and apparatus for preparing semiconductor wafers for measurement |
JP2002093871A (ja) | 2000-09-20 | 2002-03-29 | Hitachi Ltd | 半導体製造装置および半導体装置の製造方法 |
US6519045B2 (en) * | 2001-01-31 | 2003-02-11 | Rudolph Technologies, Inc. | Method and apparatus for measuring very thin dielectric film thickness and creating a stable measurement environment |
US6646752B2 (en) * | 2002-02-22 | 2003-11-11 | Taiwan Semiconductor Manufacturing Co. Ltd | Method and apparatus for measuring thickness of a thin oxide layer |
-
2004
- 2004-03-16 JP JP2004073689A patent/JP4379870B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-23 DE DE602005017960T patent/DE602005017960D1/de active Active
- 2005-02-23 EP EP05003910A patent/EP1577636B1/en not_active Expired - Fee Related
- 2005-03-03 US US11/069,996 patent/US7427520B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1577636B1 (en) | 2009-12-02 |
US20050206911A1 (en) | 2005-09-22 |
DE602005017960D1 (de) | 2010-01-14 |
JP2005265418A (ja) | 2005-09-29 |
US7427520B2 (en) | 2008-09-23 |
EP1577636A1 (en) | 2005-09-21 |
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