JP2006500773A - 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
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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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
- G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
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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
- G01N21/55—Specular reflectivity
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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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 (21)
- 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、複数の領域の少なくとも1つの領域が、ほとんどドーピングされるかまたはほとんどドーピングされないかのいずれかである、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、前記少なくとも1つの領域からの成分を有する、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または拒絶するために、横方向拡散の程度を使用するステップと、
を含む方法。 - 前記複数の領域が、ほとんどドーピングされた第1の領域およびほとんどドーピングされていない第2の領域を少なくとも備え、
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、前記第1の領域および前記第2の領域のそれぞれからの成分を有する、ステップを含む、請求項1に記載の方法。 - 前記少なくとも1つの領域におけるドーピングの割合が知られ、
前記分析するステップが、横方向拡散の程度を決定するために、前記割合を使用する工程を含む、請求項1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4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4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6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6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4に記載の方法。 - 前記複数の領域のそれぞれが、隣接する領域から一定の距離だけ分離される、請求項1に記載の方法。
- 前記複数の領域のそれぞれが、隣接する領域から異なる距離だけ分離される、請求項1に記載の方法。
- 前記測定するステップが、パターン形成された後の線幅を指示する、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であって、前記信号が、ほとんどドーピングされた領域およびほとんどドーピングされていない領域の少なくとも一方から発生する、ステップと、
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13に記載の方法。
- 前記ビームが、偏光される、請求項14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13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16に記載の方法。 - 測定が、更に、ドーピングの割合が自主的にわかる少なくとも1つの領域におけるレスポンスを測定することを含み、
ドーピング割合が、プロセスパラメータの変更を決定するのに使用される、
請求項11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。 - パターン形成の後に線幅を測定する手段を更に備える、請求項19に記載の装置。
- 半導体ウェーハを評価するための方法であって、
縞状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、お互いから分離される複数の領域を備え、それぞれの領域が、隣接する領域と異なるドーピング濃度を有する、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、少なくとも1つの領域からの成分を有する、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または拒絶するために、横方向拡散の程度を使用するステップと、
を含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/253,119 US6963393B2 (en) | 2002-09-23 | 2002-09-23 | Measurement of lateral diffusion of diffused layers |
PCT/US2003/029993 WO2004027855A1 (en) | 2002-09-23 | 2003-09-22 | Measurement of lateral diffusion of diffused layers |
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JP2006500773A true JP2006500773A (ja) | 2006-01-05 |
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JP2004538451A Pending JP2006500773A (ja) | 2002-09-23 | 2003-09-22 | 拡散層の横方向拡散の測定 |
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US (1) | US6963393B2 (ja) |
JP (1) | JP2006500773A (ja) |
CN (1) | CN1695240A (ja) |
AU (1) | AU2003299017A1 (ja) |
TW (1) | TW200405502A (ja) |
WO (1) | WO2004027855A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010217184A (ja) * | 2009-03-17 | 2010-09-30 | Imec | 半導体領域の接合深さを測定する方法および装置 |
JP7561793B2 (ja) | 2014-02-12 | 2024-10-04 | ケーエルエー コーポレイション | 半導体試料内の瑕疵を検出又は精査するシステム |
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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 |
US20060114478A1 (en) * | 2004-11-26 | 2006-06-01 | Applied Materials, Inc. | Evaluating effects of tilt angle in ion implantation |
US7883909B2 (en) * | 2006-12-28 | 2011-02-08 | Texas Instruments Incorporated | Method to measure ion beam angle |
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 |
US9852956B2 (en) | 2015-02-04 | 2017-12-26 | GlobalFoundries, Inc. | Extraction of resistance associated with laterally diffused dopant profiles in CMOS devices |
FR3034522B1 (fr) * | 2015-04-02 | 2017-04-21 | Commissariat Energie Atomique | Procede de determination de la duree de vie des porteurs |
EP3369041A1 (en) * | 2015-10-30 | 2018-09-05 | Unilever Plc. | Hair diameter measurement |
TWI637180B (zh) * | 2017-04-21 | 2018-10-01 | 世界先進積體電路股份有限公司 | 測量半導體裝置之橫向擴散長度的方法 |
US11654635B2 (en) | 2019-04-18 | 2023-05-23 | The Research Foundation For Suny | Enhanced non-destructive testing in directed energy material processing |
CN110137099A (zh) * | 2019-05-14 | 2019-08-16 | 德淮半导体有限公司 | 晶圆测试设备以及测试方法 |
CN112768365B (zh) * | 2021-01-11 | 2022-06-14 | 晶澳太阳能有限公司 | 一种激光掺杂se电池图形精度的检测方法 |
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Also Published As
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US6963393B2 (en) | 2005-11-08 |
AU2003299017A1 (en) | 2004-04-08 |
WO2004027855A1 (en) | 2004-04-01 |
US20040057052A1 (en) | 2004-03-25 |
TW200405502A (en) | 2004-04-01 |
CN1695240A (zh) | 2005-11-09 |
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