JP2006500771A - 拡散層の横方向拡散の測定 - Google Patents
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
- H01L22/34—Circuits for electrically characterising or monitoring manufacturing processes, e. g. whole test die, wafers filled with test structures, on-board-devices incorporated on each die, process control monitors or pad structures thereof, devices in scribe line
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/302—Contactless testing
- G01R31/308—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation
- G01R31/311—Contactless testing using non-ionising electromagnetic radiation, e.g. optical radiation of integrated circuits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
- G01N2021/8416—Application to online plant, process monitoring and process controlling, not otherwise provided for
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Abstract
Description
図面は、正確な縮尺率で示されていないことに注意されたい。
図7Dにおける符号 値
Sf 20,000μV/条件付き
Sl 17,600μV/条件付き
Sm 18,000μV/条件付き
Su 18,500μV/条件付き
Df 500Å
Du 200Å
Dm 250Å
Dl 300Å
図7Dに示される実施例においては、テスト構造は、幅が2800Åのドーピング線によって形成され、線間の間隔は、2400Åであった。測定された信号は、接合深さが400Åの場合のものであった。
Claims (19)
- 半導体ウェーハを評価するための方法であって、
所定の幾何学的形状を有するテスト構造を半導体材料に形成するステップであって、前記テスト構造が、お互いに分離される複数の領域を備え、複数の領域の中の少なくとも1つの領域が、複数の領域の中のその他の領域と比較して異なる特性を有する、ステップと、
前記テスト構造から反射された光を測定するステップであって、前記反射された光が、電子的特性の異なる前記領域からの異なる振幅又は位相を有する反射を重畳したものを備える成分を有する、ステップと、
前記領域における横方向拡散の程度を決定するために、測定から得られた信号を分析するステップと、
更なる処理のために半導体ウェーハを受け入れるか又は拒絶するために、横方向拡散の程度を使用するステップと、
を含む方法。 - 複数の電荷キャリアを生成するために、第1のビームによって、テスト構造の少なくとも一部分を照射するステップと、
第1のビームによって生成される複数の電荷キャリアの少なくともいくつかを有する半導体ウェーハの少なくともある領域において前記測定するステップを実行するために、第2のビームによって照射するステップと、
を更に含む、請求項1に記載の方法。 - 第1のビームおよび第2のビームのそれぞれが、同時に発生する、請求項2に記載の方法。
- 第1のビームおよび第2のビームの少なくとも一方が、偏光される、請求項2に記載の方法。
- テスト構造が、複数のドーピングされた領域を含み、それぞれのドーピングされた領域が、隣接するドーピング領域から分離され、
偏光が、前記ドーピングされた領域のそれぞれに平行である、
請求項4に記載の方法。 - 第1のビームおよび第2のビームのそれぞれが、偏光される、請求項4に記載の方法。
- 所定の周波数において、第1のビームの強度を変調するステップと、
前記測定するステップ中に、所定の周波数を使用するステップと、
を更に含む、請求項2に記載の方法。 - テスト構造が、複数のドーピングされた領域を含む、請求項1に記載の方法。
- それぞれのドーピングされた領域が、隣接するドーピングされた領域から一定の距離だけ分離される、請求項8に記載の方法。
- それぞれのドーピングされた領域が、隣接するドーピングされた領域から異なる距離だけ分離される、請求項8に記載の方法。
- テスト構造が、お互いから第1の距離だけ分離される複数の第1のドーピングされた領域を備える第1のテスト構造であり、
お互いから第1の距離と異なる第2の距離だけ分離される複数の第2のドーピングされた領域を備える第2のテスト構造を半導体ウェーハに形成するステップを更に含み、
第2のテスト構造を照射及び測定する処理を反復するステップを更に含む、
請求項1に記載の方法。 - 半導体ウェーハを評価するための方法であって、
所定の幾何学的形状を有するテスト構造を半導体ウェーハに形成するステップと、
テスト構造の寸法を指示する信号を測定するステップと、および
前記測定するステップから得られた前記信号に応じて、ウェーハの加工に使用されるプロセスパラメータを変更するステップと、
を含む方法。 - 少なくとも1つの電磁放射ビームによってテスト構造を照射するステップを更に含む、請求項12に記載の方法。
- 前記ビームが、偏光される、請求項13に記載の方法。
- 複数の電荷キャリアを生成するために、第1のビームによってテスト構造を照射するステップと、
第1のビームによって生成される電荷キャリアの濃度を検知するために、第2のビームによってテスト構造を照射するステップと、
を更に含む、請求項12に記載の方法。 - 所定の周波数において、第1のビームが変調され、
前記所定の周波数が、前記測定処理中に使用される、
請求項15に記載の方法。 - 半導体ウェーハを評価するための装置であって、
所定の幾何学的形状を有するテスト構造を半導体ウェーハに形成するための手段と、
テスト構造の寸法を指示する信号を測定するための手段と、
を備える装置。 - 電磁放射ビームによってテスト構造を照射するための手段を更に備える、請求項17に記載の装置。
- 前記照射するための手段に結合された変調するための手段と、
前記測定するための手段に結合されたロックイン増幅器と、
を更に備える、請求項18に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/253,121 US6878559B2 (en) | 2002-09-23 | 2002-09-23 | Measurement of lateral diffusion of diffused layers |
PCT/US2003/029731 WO2004027439A1 (en) | 2002-09-23 | 2003-09-22 | Measurement of lateral diffusion of diffused layers. |
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Publication Number | Publication Date |
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JP2006500771A true JP2006500771A (ja) | 2006-01-05 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004538359A Pending JP2006500771A (ja) | 2002-09-23 | 2003-09-22 | 拡散層の横方向拡散の測定 |
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Country | Link |
---|---|
US (1) | US6878559B2 (ja) |
JP (1) | JP2006500771A (ja) |
CN (1) | CN100489552C (ja) |
AU (1) | AU2003272611A1 (ja) |
TW (1) | TWI329737B (ja) |
WO (1) | WO2004027439A1 (ja) |
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DE10303682B4 (de) * | 2003-01-30 | 2008-01-31 | Advanced Micro Devices, Inc., Sunnyvale | Verfahren zum Bewerten lateraler Dotier- und/oder Ladungsträgerprofile |
US7330260B2 (en) * | 2004-03-02 | 2008-02-12 | Kla-Tencor Corporation | Method for measuring ion-implanted semiconductors with improved repeatability |
US7026175B2 (en) * | 2004-03-29 | 2006-04-11 | Applied Materials, Inc. | High throughput measurement of via defects in interconnects |
US20060114478A1 (en) * | 2004-11-26 | 2006-06-01 | Applied Materials, Inc. | Evaluating effects of tilt angle in ion implantation |
JP2013016602A (ja) * | 2011-07-01 | 2013-01-24 | Toshiba Corp | 半導体装置の製造方法および半導体装置 |
CN102768968B (zh) * | 2012-07-03 | 2014-12-24 | 上海华力微电子有限公司 | 检测井区注入离子在不同浓度条件下扩散能力的方法 |
CN102779769B (zh) * | 2012-07-03 | 2015-02-11 | 上海华力微电子有限公司 | 测算半导体器件井区注入离子横向扩散能力的方法 |
CN102915939B (zh) * | 2012-10-08 | 2015-05-20 | 上海华力微电子有限公司 | 一种检测在光辐射下离子井中载流子迁移距离的方法 |
US10489212B2 (en) | 2013-09-26 | 2019-11-26 | Synopsys, Inc. | Adaptive parallelization for multi-scale simulation |
US10417373B2 (en) | 2013-09-26 | 2019-09-17 | Synopsys, Inc. | Estimation of effective channel length for FinFETs and nano-wires |
US9836563B2 (en) | 2013-09-26 | 2017-12-05 | Synopsys, Inc. | Iterative simulation with DFT and non-DFT |
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- 2003-09-22 WO PCT/US2003/029731 patent/WO2004027439A1/en active Application Filing
- 2003-09-22 AU AU2003272611A patent/AU2003272611A1/en not_active Abandoned
- 2003-09-22 JP JP2004538359A patent/JP2006500771A/ja active Pending
- 2003-09-22 CN CN03825288.0A patent/CN100489552C/zh not_active Expired - Fee Related
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WO2004027439A1 (en) | 2004-04-01 |
CN1701238A (zh) | 2005-11-23 |
AU2003272611A8 (en) | 2004-04-08 |
AU2003272611A1 (en) | 2004-04-08 |
TWI329737B (en) | 2010-09-01 |
US20040063225A1 (en) | 2004-04-01 |
TW200407539A (en) | 2004-05-16 |
US6878559B2 (en) | 2005-04-12 |
CN100489552C (zh) | 2009-05-20 |
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