JP2005521051A - 多孔性媒体特性の超音波探知 - Google Patents
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- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
- G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- G01N29/22—Details, e.g. general constructional or apparatus details
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- G01N2291/02—Indexing codes associated with the analysed material
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Abstract
Description
Claims (26)
- 多孔性フィルムの特性を決定するための方法であって、
a)少なくも1個の変換器を多孔性フィルムに音響的に結合し、
b)多孔性フィルム内の音波の伝搬により多孔性フィルムにおけるプレート波を作り、 c)多孔性フィルムについての表示信号を得て、更に
d)表示信号から多孔性フィルムの特性を決定する
諸段階を含む方法。 - 少なくも1個の変換器を、多孔性フィルムの表面に関してある角度で多孔性フィルムに音響的に結合することを更に含む請求項1の方法。
- 少なくも1個の変換器を、多孔性フィルムの表面に平行な軸線に沿って多孔性フィルムに音響的に結合することを更に含む請求項1の方法。
- 少なくも1個の変換器を、多孔性フィルム材料にインピーダンス整合させることを更に含む請求項1の方法。
- ガラス粒子充填材を有するエポキシ樹脂の結合用デバイスを、少なくも1個の変換器と多孔性フィルムとの間に取り付けることを更に含む請求項4の方法。
- 多孔性フィルムの特性を決定する段階が、多孔性フィルムの材料特性を決定することを含む請求項1の方法。
- 多孔性フィルムの特性を決定する段階が、多孔性フィルムの全孔隙率を決定することを含む請求項1の方法。
- 多孔性フィルムの特性を決定する段階が、多孔性フィルムにおける欠陥の存在を決定することを含む請求項1の方法。
- 欠陥が寸法で約1波長より小さい請求項8の方法。
- 多孔性フィルムにおける速い圧縮波と遅い圧縮波とを識別することを更に含む請求項1の方法。
- 速い圧縮波と遅い圧縮波との間の時間差を決定することを更に含む請求項10の方法。
- 多孔性フィルムの特性を決定する段階が、多孔性フィルムの全孔隙率を決定することを含む請求項11の方法。
- 多孔性フィルムの特性を決定する段階が、多孔性フィルムにおける欠陥の存在を決定することを含む請求項11の方法。
- 多孔性フィルムの少なくも一方の表面が液体媒体と接触する請求項1の方法。
- 多孔性フィルムの少なくも一方の表面が気体媒体と接触する請求項1の方法。
- 多孔性フィルムの表面に直角に第2の変換器を結合することを更に含む請求項1の方法。
- 多孔性フィルムの孔隙率を決定することを更に含む請求項16の方法。
- 多孔性フィルムの細孔寸法を決定することを更に含む請求項16の方法。
- 多孔性フィルムに対する表示信号を、基準多孔性フィルムからの基準信号と比較することを更に含む請求項1の方法。
- 多孔性フィルムが膜である請求項1の方法。
- 多孔性フィルムに対する表示信号を獲得する段階が多孔性フィルムにおける遅い圧縮波を識別することを含み、更に表示信号から多孔性フィルムの特性を決定する段階が遅い圧縮波を解析することを含む請求項1の方法。
- 多孔性フィルムの特性が、多孔性フィルムを形成する材料の種類を示す請求項21の方法。
- 多孔性フィルムの特性が多孔性フィルムの汚れを示す請求項21の方法。
- 多孔性フィルムに対する表示信号を獲得する段階が多孔性フィルムにおける速い圧縮波を識別することを含み、更に表示信号から多孔性フィルムの特性を決定する段階が速い圧縮波を解析することを含む請求項1の方法。
- 多孔性フィルムの特性が全孔隙率を示す請求項24の方法。
- 多孔性フィルムが濾過装置の構成要素である請求項1の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36606702P | 2002-03-19 | 2002-03-19 | |
PCT/US2003/007463 WO2003081226A2 (en) | 2002-03-19 | 2003-03-12 | Ultrasonic detection of porous medium characteristics |
Publications (2)
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JP2005521051A true JP2005521051A (ja) | 2005-07-14 |
JP4579548B2 JP4579548B2 (ja) | 2010-11-10 |
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Application Number | Title | Priority Date | Filing Date |
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JP2003578911A Expired - Fee Related JP4579548B2 (ja) | 2002-03-19 | 2003-03-12 | 多孔性媒体特性の超音波探知 |
Country Status (5)
Country | Link |
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US (1) | US6959602B2 (ja) |
EP (1) | EP1485703A2 (ja) |
JP (1) | JP4579548B2 (ja) |
AU (1) | AU2003220175A1 (ja) |
WO (1) | WO2003081226A2 (ja) |
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JP2012526275A (ja) * | 2009-05-05 | 2012-10-25 | ラム リサーチ コーポレーション | 基板の完全性を判定するための非破壊的信号伝搬システムおよび方法 |
JP2013130501A (ja) * | 2011-12-22 | 2013-07-04 | Panasonic Corp | 欠陥検出方法 |
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- 2003-03-12 US US10/388,386 patent/US6959602B2/en not_active Expired - Fee Related
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JP2012526275A (ja) * | 2009-05-05 | 2012-10-25 | ラム リサーチ コーポレーション | 基板の完全性を判定するための非破壊的信号伝搬システムおよび方法 |
JP2013130501A (ja) * | 2011-12-22 | 2013-07-04 | Panasonic Corp | 欠陥検出方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2003220175A1 (en) | 2003-10-08 |
JP4579548B2 (ja) | 2010-11-10 |
EP1485703A2 (en) | 2004-12-15 |
AU2003220175A8 (en) | 2003-10-08 |
WO2003081226A3 (en) | 2004-02-05 |
US20030217599A1 (en) | 2003-11-27 |
US6959602B2 (en) | 2005-11-01 |
WO2003081226A2 (en) | 2003-10-02 |
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