JP6501230B2 - 多元素同時型蛍光x線分析装置および多元素同時蛍光x線分析方法 - Google Patents
多元素同時型蛍光x線分析装置および多元素同時蛍光x線分析方法 Download PDFInfo
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- JP6501230B2 JP6501230B2 JP2016044179A JP2016044179A JP6501230B2 JP 6501230 B2 JP6501230 B2 JP 6501230B2 JP 2016044179 A JP2016044179 A JP 2016044179A JP 2016044179 A JP2016044179 A JP 2016044179A JP 6501230 B2 JP6501230 B2 JP 6501230B2
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- 238000002441 X-ray diffraction Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 10
- 238000005259 measurement Methods 0.000 claims description 124
- 239000004065 semiconductor Substances 0.000 claims description 20
- 238000003705 background correction Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 235000012431 wafers Nutrition 0.000 description 34
- 239000010408 film Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910020679 Co—K Inorganic materials 0.000 description 3
- 229910002552 Fe K Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000005260 alpha ray Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 229910019236 CoFeB Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/223—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/207—Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/07—Investigating materials by wave or particle radiation secondary emission
- G01N2223/076—X-ray fluorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/33—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts
- G01N2223/3307—Accessories, mechanical or electrical features scanning, i.e. relative motion for measurement of successive object-parts source and detector fixed; object moves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/611—Specific applications or type of materials patterned objects; electronic devices
- G01N2223/6116—Specific applications or type of materials patterned objects; electronic devices semiconductor wafer
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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Description
1a 分析対象試料
1b ブランクウエハ
2 試料台
2e 切り欠き部
7 1次X線
8 X線源
9 蛍光X線
10 固定ゴニオメータ
11 ステージ
20 制御手段
21 バックグラウンド補正手段
22 搬送アーム
25 分光素子
26 検出器
P0 基準測定点
Pn 測定点
Claims (2)
- 半導体ウエハである試料が載置される試料台と、
その試料台に対して試料の載置および撤去を行う搬送アームと、
前記試料台を移動させるステージと、
試料に1次X線を照射するX線源とを備えるとともに、
分光素子および検出器を有して試料から発生する蛍光X線の強度を測定する固定ゴニオメータを測定すべき波長ごとに備え、
前記搬送アーム、前記ステージ、前記X線源および前記固定ゴニオメータを制御して、試料表面の複数の測定点について蛍光X線の強度を測定し、試料における測定強度の分布を求める制御手段を備える多元素同時型蛍光X線分析装置であって、
前記試料台に、前記搬送アームが鉛直方向に通過するための切り欠き部が形成されており、
前記制御手段がバックグラウンド補正手段を有し、
そのバックグラウンド補正手段が、
ブランクウエハにおける各測定点について、当該測定点の測定強度から前記切り欠き部上にある基準測定点の測定強度を差し引いた強度を、当該測定点のバックグラウンド強度としてあらかじめ記憶し、
分析対象試料における各測定点について、当該測定点の測定強度から当該測定点の前記バックグラウンド強度を差し引いて補正する多元素同時型蛍光X線分析装置。 - 半導体ウエハである試料が載置される試料台と、
その試料台に対して試料の載置および撤去を行う搬送アームと、
前記試料台を移動させるステージと、
試料に1次X線を照射するX線源とを備えるとともに、
分光素子および検出器を有して試料から発生する蛍光X線の強度を測定する固定ゴニオメータを測定すべき波長ごとに備え、
前記搬送アーム、前記ステージ、前記X線源および前記固定ゴニオメータを制御して、試料表面の複数の測定点について蛍光X線の強度を測定し、試料における測定強度の分布を求める制御手段を備えており、前記試料台に、前記搬送アームが鉛直方向に通過するための切り欠き部が形成されている多元素同時型蛍光X線分析装置を用いて、
ブランクウエハにおける各測定点について、当該測定点の測定強度から前記切り欠き部上にある基準測定点の測定強度を差し引いた強度を、当該測定点のバックグラウンド強度として求め、
分析対象試料における各測定点について、当該測定点の測定強度から当該測定点の前記バックグラウンド強度を差し引いて補正する蛍光X線分析方法。
Priority Applications (6)
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JP2016044179A JP6501230B2 (ja) | 2016-03-08 | 2016-03-08 | 多元素同時型蛍光x線分析装置および多元素同時蛍光x線分析方法 |
KR1020187023570A KR101968458B1 (ko) | 2016-03-08 | 2017-02-16 | 다원소 동시형 형광 x선 분석 장치 및 다원소 동시 형광 x선 분석 방법 |
CN201780016018.2A CN108713138B (zh) | 2016-03-08 | 2017-02-16 | 多元素同时型荧光x射线分析装置和多元素同时荧光x射线分析方法 |
US16/076,112 US10883945B2 (en) | 2016-03-08 | 2017-02-16 | Simultaneous multi-elements analysis type X-ray fluorescence spectrometer, and simultaneous multi-elements X-ray fluorescence analyzing method |
PCT/JP2017/005678 WO2017154505A1 (ja) | 2016-03-08 | 2017-02-16 | 多元素同時型蛍光x線分析装置および多元素同時蛍光x線分析方法 |
EP17762848.4A EP3428630B1 (en) | 2016-03-08 | 2017-02-16 | Simultaneous multi-element analysis x-ray fluorescence spectrometer, and simultaneous multi-element x-ray fluorescence analyzing method |
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JP2016044179A JP6501230B2 (ja) | 2016-03-08 | 2016-03-08 | 多元素同時型蛍光x線分析装置および多元素同時蛍光x線分析方法 |
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JP6501230B2 true JP6501230B2 (ja) | 2019-04-17 |
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EP (1) | EP3428630B1 (ja) |
JP (1) | JP6501230B2 (ja) |
KR (1) | KR101968458B1 (ja) |
CN (1) | CN108713138B (ja) |
WO (1) | WO2017154505A1 (ja) |
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JP6810001B2 (ja) | 2017-08-24 | 2021-01-06 | 株式会社Soken | 高周波伝送線路 |
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GB2591630B (en) | 2018-07-26 | 2023-05-24 | Sigray Inc | High brightness x-ray reflection source |
DE112019004478T5 (de) | 2018-09-07 | 2021-07-08 | Sigray, Inc. | System und verfahren zur röntgenanalyse mit wählbarer tiefe |
CN110146026A (zh) * | 2019-05-15 | 2019-08-20 | 深圳市兆驰节能照明股份有限公司 | 荧光膜片夹持装置及荧光膜片测试系统 |
US11143605B2 (en) | 2019-09-03 | 2021-10-12 | Sigray, Inc. | System and method for computed laminography x-ray fluorescence imaging |
US11175243B1 (en) | 2020-02-06 | 2021-11-16 | Sigray, Inc. | X-ray dark-field in-line inspection for semiconductor samples |
JP7395775B2 (ja) | 2020-05-18 | 2023-12-11 | シグレイ、インコーポレイテッド | 結晶解析装置及び複数の検出器素子を使用するx線吸収分光法のためのシステム及び方法 |
CN111551579B (zh) * | 2020-06-03 | 2021-02-12 | 中国地质大学(武汉) | 一种利用空白校正确定x射线背景强度的方法 |
WO2022061347A1 (en) | 2020-09-17 | 2022-03-24 | Sigray, Inc. | System and method using x-rays for depth-resolving metrology and analysis |
US11686692B2 (en) | 2020-12-07 | 2023-06-27 | Sigray, Inc. | High throughput 3D x-ray imaging system using a transmission x-ray source |
WO2023177981A1 (en) | 2022-03-15 | 2023-09-21 | Sigray, Inc. | System and method for compact laminography utilizing microfocus transmission x-ray source and variable magnification x-ray detector |
US11885755B2 (en) | 2022-05-02 | 2024-01-30 | Sigray, Inc. | X-ray sequential array wavelength dispersive spectrometer |
JP7458658B2 (ja) * | 2022-06-13 | 2024-04-01 | 株式会社リガク | 蛍光x線分析装置 |
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JPH05188019A (ja) * | 1991-07-23 | 1993-07-27 | Hitachi Ltd | X線複合分析装置 |
JPH06174663A (ja) | 1992-12-01 | 1994-06-24 | Toshiba Corp | 汚染元素分析方法 |
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Publication number | Publication date |
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WO2017154505A1 (ja) | 2017-09-14 |
EP3428630B1 (en) | 2021-03-31 |
US10883945B2 (en) | 2021-01-05 |
KR101968458B1 (ko) | 2019-04-11 |
CN108713138A (zh) | 2018-10-26 |
CN108713138B (zh) | 2019-09-06 |
EP3428630A1 (en) | 2019-01-16 |
US20200378908A1 (en) | 2020-12-03 |
KR20180104016A (ko) | 2018-09-19 |
JP2017161276A (ja) | 2017-09-14 |
EP3428630A4 (en) | 2019-12-04 |
WO2017154505A8 (ja) | 2018-06-28 |
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