JP7058691B2 - 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 - Google Patents
二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 Download PDFInfo
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/10—Ion sources; Ion guns
- H01J49/14—Ion sources; Ion guns using particle bombardment, e.g. ionisation chambers
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- 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
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- G—PHYSICS
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- 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
- G01N23/225—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 using electron or ion
- G01N23/2255—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 using electron or ion using incident ion beams, e.g. proton beams
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- G01Q10/00—Scanning or positioning arrangements, i.e. arrangements for actively controlling the movement or position of the probe
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- H—ELECTRICITY
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- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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- H—ELECTRICITY
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Description
この出願は2015年2月10日出願の米国仮特許出願第62/114,521号の利益を主張するものであり,この米国仮特許出願の全体内容は引用により本書に組み込まれる。この出願はまた,2015年2月10日出願の米国仮特許出願第62/114,519号の利益を主張するものであり,この米国仮特許出願の全体内容は引用により本書に組み込まれる。この出願はまた,2015年2月10日出願の米国仮特許出願第62/114,524号の利益を主張するものであり,この米国仮特許出願の全体内容は引用により本書に組み込まれる。
Claims (7)
- ウエハの裏面接触抵抗を決定する方法であって,
第1の駆動信号を用いて駆動される主容量センサ電極と,上記第1の駆動信号と比較して振幅または位相シフトされる第2の駆動信号を用いて駆動される補償容量センサ電極との比較に基づいてウエハの表面のギャップ距離値を測定し,
上記第2の駆動信号を測定し,
基準インピーダンス標準に対して上記第2の駆動信号の値を較正して,接地に対する上記ウエハのインピーダンス値を決定し,
上記ギャップ距離値および接地に対する上記ウエハのインピーダンス値に基づいて上記ウエハの表面についての接触抵抗値を決定する,
方法。 - 上記第2の駆動信号の値の測定が,上記第1の駆動信号の180度シフト・バージョンである上記第2の駆動信号を用いて上記補償容量センサを駆動し,上記第2の駆動信号の振幅を調整して上記主容量センサ電極および上記補償容量センサ電極の正味電流がゼロのときの振幅値を得ることを含み,上記基準インピーダンス標準に対する上記第2の駆動信号の値の較正が上記基準インピーダンス標準に対して上記振幅値を較正することを含む,請求項1の方法。
- 上記第2の駆動信号の値の測定が,上記第1の駆動信号の位相シフト・バージョンである上記第2の駆動信号を用いて上記補償容量センサを駆動し,上記第2の駆動信号の位相角を調整して最小ギャップ距離値が得られるときの位相角度値を得ることを含み,上記基準インピーダンス標準に対する上記第2の駆動信号の値の較正が,上記基準インピーダンス標準に対して上記位相角度値を較正することを含む,請求項1の方法。
- 上記第2の駆動信号の値の測定が,上記ウエハの表面からの上記補償容量センサ電極の距離を変更して最小ギャップ距離値を得ることを含み,上記基準インピーダンス標準に対する上記第2の駆動信号の値の較正が,上記基準インピーダンス標準に対して上記最小ギャップ距離値を較正することを含む,請求項1の方法。
- 上記ギャップ距離値の測定が,上記主容量センサ電極および上記補償容量センサ電極の正味電流がゼロであるときの上記ギャップ距離値を測定することを含む,請求項1の方法。
- 上記ウエハの表面に対して導電性電極を接触させ,
上記ウエハの表面の接触抵抗値が閾値未満であるときに上記ウエハの第2の表面に荷電粒子ビームを誘導することをさらに含む,請求項1の方法。 - 上記ウエハの第2の表面に対する上記荷電粒子ビームの誘導が,上記ウエハの第2の表面の二次イオン質量分析(SIMS)測定を開始することを含む,請求項6の方法。
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| JP2022065612A JP7335389B2 (ja) | 2015-02-10 | 2022-04-12 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
| JP2023132751A JP7621435B2 (ja) | 2015-02-10 | 2023-08-17 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
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| US201562114519P | 2015-02-10 | 2015-02-10 | |
| US201562114521P | 2015-02-10 | 2015-02-10 | |
| US201562114524P | 2015-02-10 | 2015-02-10 | |
| US62/114,521 | 2015-02-10 | ||
| US62/114,524 | 2015-02-10 | ||
| US62/114,519 | 2015-02-10 |
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| JP2020202379A JP2020202379A (ja) | 2020-12-17 |
| JP7058691B2 true JP7058691B2 (ja) | 2022-04-22 |
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| JP2020125263A Active JP7058691B2 (ja) | 2015-02-10 | 2020-07-22 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
| JP2022065612A Active JP7335389B2 (ja) | 2015-02-10 | 2022-04-12 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
| JP2023132751A Active JP7621435B2 (ja) | 2015-02-10 | 2023-08-17 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
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| JP2023132751A Active JP7621435B2 (ja) | 2015-02-10 | 2023-08-17 | 二次イオン質量分析を用いた半導体測定および表面分析のためのシステムならびに手法 |
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| US (7) | US10056242B2 (ja) |
| EP (1) | EP3257068A4 (ja) |
| JP (4) | JP6740255B2 (ja) |
| CN (1) | CN107438891B (ja) |
| WO (2) | WO2016130690A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10056242B2 (en) | 2015-02-10 | 2018-08-21 | Nova Measuring Instruments Inc. | Systems and approaches for semiconductor metrology and surface analysis using secondary ion mass spectrometry |
| EP3290913B1 (de) * | 2016-09-02 | 2022-07-27 | ION-TOF Technologies GmbH | Sekundärionenmassenspektrokopisches verfahren, system und verwendungen hiervon |
| RU2653101C1 (ru) * | 2017-03-30 | 2018-05-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уральский государственный медицинский университет" Министерства здравоохранения Российской Федерации (ФГБОУ ВО УГМУ Минздрава России) | Способ определения поверхностного потенциала и знака заряда поверхности контактных линз |
| CN110914952B (zh) | 2017-05-12 | 2022-09-23 | 诺威量测设备公司 | 质谱仪检测器及使用其的系统和方法 |
| WO2020001954A1 (en) | 2018-06-25 | 2020-01-02 | Carl Zeiss Smt Gmbh | Inspection system and inspection method to qualify semiconductor structures |
| DE102018212403A1 (de) * | 2018-07-25 | 2020-01-30 | Carl Zeiss Microscopy, Llc | Inspektionssystem und Inspektionsverfahren zur Qualitätsbeurteilung von Halbleiterstrukturen |
| US10837803B2 (en) | 2019-04-12 | 2020-11-17 | Kla Corporation | Inspection system with grounded capacitive sample proximity sensor |
| CN114156158A (zh) * | 2021-11-19 | 2022-03-08 | 中国地质科学院地质研究所 | 一种高效稳定的二次离子提取装置 |
| JPWO2023095365A1 (ja) * | 2021-11-25 | 2023-06-01 | ||
| GB202307689D0 (en) * | 2023-05-23 | 2023-07-05 | Thermo Fisher Scient Bremen Gmbh | Method for reducing charge and ion optical system |
| WO2025119434A2 (de) * | 2023-12-08 | 2025-06-12 | Raith Gmbh | Untersuchungsverfahren für eine halbleiterprobe mittels eines sekundärionen-massenspektrometers mit einem fokussierten ionenstrahl und analysevorrichtung dafür |
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| JPS5036191B1 (ja) * | 1969-01-07 | 1975-11-21 | ||
| JPS535831B2 (ja) * | 1972-02-23 | 1978-03-02 | ||
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| JP2018512718A (ja) | 2018-05-17 |
| EP3257068A4 (en) | 2018-09-26 |
| US20240087869A1 (en) | 2024-03-14 |
| WO2016130603A1 (en) | 2016-08-18 |
| CN107438891B (zh) | 2019-11-08 |
| CN107438891A (zh) | 2017-12-05 |
| JP2023154072A (ja) | 2023-10-18 |
| US20210305037A1 (en) | 2021-09-30 |
| US10403489B2 (en) | 2019-09-03 |
| JP7335389B2 (ja) | 2023-08-29 |
| US10056242B2 (en) | 2018-08-21 |
| US20180025897A1 (en) | 2018-01-25 |
| US10910208B2 (en) | 2021-02-02 |
| US11764050B2 (en) | 2023-09-19 |
| WO2016130690A1 (en) | 2016-08-18 |
| JP2022106761A (ja) | 2022-07-20 |
| US11430647B2 (en) | 2022-08-30 |
| US20230091625A1 (en) | 2023-03-23 |
| US20200258733A1 (en) | 2020-08-13 |
| JP7621435B2 (ja) | 2025-01-24 |
| US20180330935A1 (en) | 2018-11-15 |
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