JP5010766B2 - ナノ粒子を統計的に特徴付ける方法および装置 - Google Patents
ナノ粒子を統計的に特徴付ける方法および装置 Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
A.米国特許出願公開第2004/0033679号明細書に記載されているMITナノ噴霧など、統合ナノ粒子噴霧装置などの基板の上に電荷パターンを生成するデバイスと、
B.ナノ粒子を帯電させて搬送する統合化学搬送システム(ナノケミックス(NanoChemiX)から入手可能なシステムなど)と、
C.本出願の譲受人であるFEIカンパニから入手可能なものなど、たとえば小室SEMである撮像または測定機器と、
D.統合された像分析ハードウエアおよびソフトウエア(コグネックス・ベース・システムなど)とを含む。
204 負の電荷のパターン
206 電子ビーム・カラム
302 ナノ粒子
304 噴霧装置
306 正のナノ粒子
402 電子カラム
404 検出器
410 コンピュータ
700 装置
702 ステンレス・スチール皮下針
704 ES室
706 円筒電極
710 流れ
714 ガラス毛細管
Claims (27)
- ナノ粒子の特性を決定する方法であって、
電荷パターンを基板の上に形成することと、
特性付けを容易にするために、個々の前記ナノ粒子を前記電荷パターンによって分布させることと、
ナノ粒子のポピュレーションの統計的特性を決定するために、複数の前記ナノ粒子の特性を測定することとを含む方法。 - 個々の前記ナノ粒子を操作せずに、前記基板上の複数の前記ナノ粒子の特性を測定することとを含む請求項1に記載の方法。
- ナノ粒子の特性を決定する方法であって、
力の中心のパターンを表面上に形成することと、
個々の前記ナノ粒子を前記力の中心のパターンによって前記表面上に分布させ、ナノ粒子の前記分布が、前記力の中心のパターンによる前記ナノ粒子に対する力によって影響を受けることと、
個々の前記ナノ粒子を操作せずに、前記表面上の個々の前記ナノ粒子の特性を測定することとを含む方法。 - 力の中心のパターンを形成することが、前記表面上に電荷パターンを形成することを含む請求項3に記載の方法。
- 前記ナノ粒子を分布させることが、帯電ナノ粒子を分布させることを含む請求項1、2、4のいずれかに記載の方法。
- 力の中心のパターンを形成することが、前記表面上に化学物質のパターンを形成することを含む請求項3に記載の方法。
- 前記複数のナノ粒子を前記表面上に分布させることが、前記パターンの前記化学物質によって引き付けられる、または反発するナノ粒子を分布させることを含む請求項6に記載の方法。
- 電荷パターンを形成することが、帯電粒子ビームを絶縁基板に向けることを含む請求項1または4に記載の方法。
- ナノ粒子を前記電荷パターンの上に分布させることが、炭素を含む分子を前記電荷パターンの上に分布させることを含み、前記炭素を含む分子が、720より大きい分子量を有する請求項1または4に記載の方法。
- ナノ粒子を前記電荷パターンの上に分布させることが、フラーレンまたは炭素ナノ管を分布させることを含む請求項1または4に記載の方法。
- ナノ粒子を前記電荷パターンの上に分布させることが、前記ナノ粒子をイオン化することを含む請求項1または4に記載の方法。
- 前記ナノ粒子をイオン化することが、前記ナノ粒子を液体の中に混合し、前記液体をノズルを経て乾燥気体の中に噴霧することを含む請求項11に記載の方法。
- 測定を容易にするために前記ナノ粒子をコーティングすることをさらに備える請求項1、2、3のいずれかに記載の方法。
- 前記表面上の前記複数のナノ粒子の特性を測定することが、前記ナノ粒子のポピュレーションの統計的特性を決定するために、前記ナノ粒子の1つの特性を測定することを備える請求項2または3に記載の方法。
- 前記ナノ粒子のポピュレーションの統計的特性を決定するために前記ナノ粒子の1つの特性を測定することが、ナノ粒子を含む前記基板の一部の像を形成するために、電子顕微鏡を使用することと、前記ナノ粒子の特性を決定するために前記像を自動的に解釈することとを含む請求項1または14に記載の方法。
- 前記像においてナノ粒子を自動的に特定することをさらに備える請求項15に記載の方法。
- 前記ナノ粒子のポピュレーションの統計的特性を決定するために、前記ナノ粒子の1つの特性を測定することが、積分方法を使用することを含む請求項1または14に記載の方法。
- 前記積分方法が、スキャタロメトリを備える請求項17に記載の方法。
- ナノ粒子のポピュレーションの特性を決定する装置であって、
基板の上に電荷パターンを形成するためのエネルギー・ビーム・システムと、
前記ナノ粒子を、前記基板上の前記電荷パターンであって、前記基板の表面に亘って前記ナノ粒子を個々に分布させる前記電荷パターンの上に噴霧する噴霧器と、
前記基板上の前記ナノ粒子の特性を測定する測定機器とを備える装置。 - 前記測定機器の出力から前記ナノ粒子の特性を自動的に決定するソフトウエアをさらに備える請求項19に記載の装置。
- 前記エネルギー・ビーム・システムが、帯電粒子ビーム・システムである請求項19に記載の装置。
- 前記帯電粒子ビーム・システムが、走査電子顕微鏡システムを含む請求項21に記載の装置。
- 前記測定機器が、電子顕微鏡を含む請求項19に記載の装置。
- 前記測定機器が、スキャタロメータを含む請求項19に記載の装置。
- 特性付けを容易にするために個々の前記ナノ粒子を前記電荷パターンによって分布させることが、双極子モーメントを有する無電荷ナノ粒子を分布させることを含む請求項1に記載の方法。
- 分布された前記ナノ粒子は、互いに関係して、または、基準方向に対して位置合わせされている請求項3に記載の方法。
- 前記力の中心は、前記ナノ粒子を引き付けまたは反発する電荷のグループによって形成される領域を含み、
前記ナノ粒子は、前記電荷のグループによって形成される領域における相互作用によって配置されている請求項26に記載の方法。
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EP1748030B1 (en) * | 2005-07-07 | 2016-04-20 | Fei Company | Method and apparatus for statistical characterization of nano-particles |
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JP4565663B2 (ja) * | 2006-07-20 | 2010-10-20 | キヤノン株式会社 | 液滴の形状計測方法及び装置 |
US20090116696A1 (en) * | 2007-05-29 | 2009-05-07 | Mckernan Steffen | System, method and machine-readable medium for characterizing nanotube materials |
US10330581B2 (en) | 2007-09-17 | 2019-06-25 | Rave Llc | Debris removal from high aspect structures |
US10618080B2 (en) * | 2007-09-17 | 2020-04-14 | Bruker Nano, Inc. | Debris removal from high aspect structures |
US10384238B2 (en) | 2007-09-17 | 2019-08-20 | Rave Llc | Debris removal in high aspect structures |
EP2278306A1 (en) * | 2009-07-13 | 2011-01-26 | Fei Company | Method for inspecting a sample |
US20130191037A1 (en) * | 2011-07-26 | 2013-07-25 | Nanoimaging Services | Characterization of particulates using electron microscopy and image processing methods |
CN105510195B (zh) * | 2015-12-07 | 2017-11-17 | 华侨大学 | 一种堆叠骨料的粒度粒形在线检测方法 |
US10286484B1 (en) * | 2018-01-12 | 2019-05-14 | General Electric Company | Systems and methods for additive manufacturing calibration |
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EP1748030B1 (en) * | 2005-07-07 | 2016-04-20 | Fei Company | Method and apparatus for statistical characterization of nano-particles |
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