JP2000512390A - 非粘性フロー生成ノズルを利用した粒子検出システム - Google Patents
非粘性フロー生成ノズルを利用した粒子検出システムInfo
- Publication number
- JP2000512390A JP2000512390A JP11508968A JP50896899A JP2000512390A JP 2000512390 A JP2000512390 A JP 2000512390A JP 11508968 A JP11508968 A JP 11508968A JP 50896899 A JP50896899 A JP 50896899A JP 2000512390 A JP2000512390 A JP 2000512390A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- jet
- fluid
- viscous flow
- sample fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 132
- 238000001514 detection method Methods 0.000 title claims abstract description 66
- 239000012530 fluid Substances 0.000 claims abstract description 162
- 238000000034 method Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 31
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 description 15
- 238000013459 approach Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009652 hydrodynamic focusing Methods 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012625 in-situ measurement Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N15/14—Optical investigation techniques, e.g. flow cytometry
- G01N15/1404—Handling flow, e.g. hydrodynamic focusing
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.サンプル流体(100)においてサブミクロン寸法の粒子(101)を検出するための システム(10)であって、 該サンプル流体から非粘性フロー噴流(310、1201、1310)を生成するための 、非粘性フロー手段(308)と、 該非粘性フロー噴流に向けて方向付けられる光のビーム(103、105、315、120 2、1315)を提供する照射手段(102、304)であって、該光ビームは、該交差領 域において該非粘性フロー噴流の容積サンプリングを許容する交差領域(112、3 21)において、該非粘性フロー噴流と交差し、この場合、該交差領域を通って実 質的に同一速度で移動する粒子の全ては、粒子検出を目的として、該光のビーム から光を散乱する、照射手段と、 該散乱光を受容し、かつ、該粒子を示す出力を供与する、検出手段(108、319 )とを特徴とする、システム。 2.前記非粘性フロー手段は、 前記サンプル流体が受容されて通るサンプル流体入り口(305)を有する流体減 速手段(301)と、 該サンプル流体が該サンプル流体入り口から減速された速度で流れる、ノズル 手段(308、701、901)と、 前記非粘性フロー噴流が該ノズル手段から噴流速度で噴出する流体回収手段( 302、1302)であって、該減速された速度が該噴流速度よりも低い、流体回収手 段とを備える、請求項1に記載の粒子検出システム。 3.前記ノズル手段は、 前記流体減速手段の内部と隣接する入り口表面(703、903)と、 前記流体回収手段の内部と隣接し、かつ、ノズル厚さ(501、906)により該入 り口表面から分離された出口表面と、 該入り口表面と該出口表面との間に在るノズル開口(309、702、902)であっ て、そこを通って、前記サンプル流体が流れ、かつ、該流体回収手段への前記粘 性流体噴流として発射される、ノズル開口とを備える、請求項2に記載の粒子検 出システム。 4.前記ノズル開口はノズル直径(502)を特徴とし、該ノズル直径は少なくと も、前記ノズル厚さ(501)と同程度に大きい、請求項3に記載の粒子検出シス テム。 5.前記ノズル開口(902)は、実質的に長円形であり、かつ、第1噴流直径と 第2噴流直径とを特徴とする実質的に長円形形状を有する前記非粘性フローを生 成し、該第2噴流直径は該第1噴流直径よりも相当に大きく、該第2噴流直径は 前記光のビームに関して実質的に平行に配向されて、該第2噴流直径に沿って高 アスペクト比を供与する、請求項4に記載の粒子検出システム。 6.前記検出手段は、 前記散乱光を受容し、かつ、それに応答する検出器出力を生成するための検出 器(108)と、 該検出器に接続され、かつ、粒子特性を示すシステム出力を供与するための該 検出器出力に応答する、処理手段(111)とを備える、請求項1に記載の粒子検 出システム。 7.サンプル流体(100)においてサブミクロン寸法の粒子(101)を検出するため の方法であって、 該サンプル流体から非粘性フロー噴流(310、1201、1310)を発生する工程と 、 光のビーム(103、105、315、1202、1315)を該非粘性フロー噴流に向けて方 向付ける工程であって、該光ビームは、該交差領域における該非粘性フロー噴流 の容積測定サンプリングのための交差領域(112、321)で該非粘性フロー噴流と 交差し、粒子の全ては、実質的に同一速度で、該交差領域を通って移動して、粒 子検出を目的として、該光のビームから光を散乱させる、工程と、 該散乱された光を検出し、かつ、該粒子を示す出力を供与する工程とを特徴と する、方法。 8.前記発生する工程は、 サンプル流体入り口(305)を通して前記サンプル流体を受容する工程と、 該サンプル流体を減速させる工程と、 減速された速度でノズル手段(308、701、901)に該サンプル流体を方向付け る工程と、 該ノズル手段からの前記非粘性フロー噴流の流体を回収する工程であって、該 非粘性フロー噴流は噴流速度で該ノズル手段から噴出し、該減速された速度は該 噴流速度よりも低い、工程とを含む、請求項7に記載の粒子検出方法。 9.前記減速する工程は、 減速チャンバー直径を特徴とする減速チャンバー(301)において、前記サンプ ル流体入り口から受容される前記サンプル流体を減速させる工程を含み、該減速 チャンバー直径は、該サンプル流体入り口の入り口直径よりも相当大きい、請求 項8に記載の粒子検出方法。 10.前記方向付ける工程は、 前記サンプル流体を前記ノズル手段に方向付ける工程を含み、前記ノズル開口 はノズル直径(502)を特徴とし、該ノズル直径は、少なくとも前記ノズル厚さと 同程度の大きさである、請求項8に記載の粒子検出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/891,361 | 1997-07-10 | ||
US08/891,361 US5861950A (en) | 1997-07-10 | 1997-07-10 | Particle detection system utilizing an inviscid flow-producing nozzle |
PCT/US1998/014337 WO1999002966A1 (en) | 1997-07-10 | 1998-07-10 | Particle detection system utilizing an inviscid flow-producing nozzle |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000512390A true JP2000512390A (ja) | 2000-09-19 |
JP3335645B2 JP3335645B2 (ja) | 2002-10-21 |
Family
ID=25398048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50896899A Expired - Lifetime JP3335645B2 (ja) | 1997-07-10 | 1998-07-10 | 非粘性フロー生成ノズルを利用した粒子検出システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US5861950A (ja) |
EP (1) | EP0995101B1 (ja) |
JP (1) | JP3335645B2 (ja) |
DE (1) | DE69801825T2 (ja) |
WO (1) | WO1999002966A1 (ja) |
Cited By (6)
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JP2002071549A (ja) * | 2000-08-25 | 2002-03-08 | Sysmex Corp | 粒子撮像装置 |
JP2003121337A (ja) * | 2001-08-07 | 2003-04-23 | Sysmex Corp | 粒子径の計測装置と計測方法 |
JP2004085573A (ja) * | 2002-08-27 | 2004-03-18 | Particle Measuring Syst Inc | ストラップレーザダイオードを備える粒子カウンタ |
WO2008108237A1 (ja) * | 2007-03-02 | 2008-09-12 | Seishin Enterprise Co., Ltd. | フローセル及びそれを備えた粒子形状分析装置 |
US7576857B2 (en) | 2002-08-27 | 2009-08-18 | Particle Measuring Systems, Inc. | Particle counter with laser diode |
US7916293B2 (en) | 2007-12-04 | 2011-03-29 | Particle Measuring Systems, Inc. | Non-orthogonal particle detection systems and methods |
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US8568684B2 (en) * | 2000-10-17 | 2013-10-29 | Nanogram Corporation | Methods for synthesizing submicron doped silicon particles |
DE60206859T2 (de) * | 2001-08-07 | 2006-05-24 | Sysmex Corp. | Vorrichtung und Verfahren zur Messung von Teilchengrössen |
US6628386B2 (en) * | 2001-12-12 | 2003-09-30 | Pointsource Technologies, Llc | Particle detection beam |
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US7721588B2 (en) * | 2006-03-21 | 2010-05-25 | Morpho Detection, Inc. | Systems and methods for detecting particles |
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US8373858B2 (en) * | 2008-12-10 | 2013-02-12 | Livermore Instruments, Inc. | System and method for real time determination of size and chemical composition of aerosol particles |
JP5574250B2 (ja) | 2009-08-24 | 2014-08-20 | パーティクル・メージャーリング・システムズ・インコーポレーテッド | 流量がモニタリングされる粒子センサ |
US10352844B2 (en) | 2013-03-15 | 2019-07-16 | Particles Plus, Inc. | Multiple particle sensors in a particle counter |
US12044611B2 (en) | 2013-03-15 | 2024-07-23 | Particles Plus, Inc. | Particle counter with integrated bootloader |
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ITRM20130128U1 (it) | 2013-07-23 | 2015-01-24 | Particle Measuring Systems S R L | Dispositivo per il campionamento microbico dell'aria |
US20170045438A1 (en) * | 2014-02-20 | 2017-02-16 | Malvern Instruments Limited | High-Throughput Fluid Sample Characterization |
US9810558B2 (en) | 2014-03-14 | 2017-11-07 | Particle Measuring Systems, Inc. | Pressure-based airflow sensing in particle impactor systems |
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CN106662572B (zh) * | 2015-02-12 | 2019-07-05 | 深圳迈瑞生物医疗电子股份有限公司 | 细胞分析仪、粒子分类方法及装置 |
WO2019082186A1 (en) | 2017-10-26 | 2019-05-02 | Particle Measuring Systems, Inc. | SYSTEM AND METHOD FOR MEASURING PARTICLES |
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-
1998
- 1998-07-10 WO PCT/US1998/014337 patent/WO1999002966A1/en active IP Right Grant
- 1998-07-10 JP JP50896899A patent/JP3335645B2/ja not_active Expired - Lifetime
- 1998-07-10 DE DE69801825T patent/DE69801825T2/de not_active Expired - Lifetime
- 1998-07-10 EP EP98933322A patent/EP0995101B1/en not_active Expired - Lifetime
Cited By (12)
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JP2002071549A (ja) * | 2000-08-25 | 2002-03-08 | Sysmex Corp | 粒子撮像装置 |
JP2003121337A (ja) * | 2001-08-07 | 2003-04-23 | Sysmex Corp | 粒子径の計測装置と計測方法 |
JP2004085573A (ja) * | 2002-08-27 | 2004-03-18 | Particle Measuring Syst Inc | ストラップレーザダイオードを備える粒子カウンタ |
US7576857B2 (en) | 2002-08-27 | 2009-08-18 | Particle Measuring Systems, Inc. | Particle counter with laser diode |
JP4607437B2 (ja) * | 2002-08-27 | 2011-01-05 | パーティクル、メジュアリング、システムズ、インコーポレーテッド | ストラップレーザダイオードを備える粒子カウンタ |
WO2008108237A1 (ja) * | 2007-03-02 | 2008-09-12 | Seishin Enterprise Co., Ltd. | フローセル及びそれを備えた粒子形状分析装置 |
JPWO2008108237A1 (ja) * | 2007-03-02 | 2010-06-10 | 株式会社セイシン企業 | フローセル及びそれを備えた粒子形状分析装置 |
US7916293B2 (en) | 2007-12-04 | 2011-03-29 | Particle Measuring Systems, Inc. | Non-orthogonal particle detection systems and methods |
US8027035B2 (en) | 2007-12-04 | 2011-09-27 | Particle Measuring Systems, Inc. | Non-orthogonal particle detection systems and methods |
US8154724B2 (en) | 2007-12-04 | 2012-04-10 | Particle Measuring Systems, Inc. | Two-dimensional optical imaging methods and systems for particle detection |
US8174697B2 (en) | 2007-12-04 | 2012-05-08 | Particle Measuring Systems, Inc. | Non-orthogonal particle detection systems and methods |
US8427642B2 (en) | 2007-12-04 | 2013-04-23 | Particle Measuring Systems, Inc. | Two-dimensional optical imaging methods and systems for particle detection |
Also Published As
Publication number | Publication date |
---|---|
EP0995101B1 (en) | 2001-09-26 |
EP0995101A1 (en) | 2000-04-26 |
JP3335645B2 (ja) | 2002-10-21 |
DE69801825T2 (de) | 2002-03-28 |
US5861950A (en) | 1999-01-19 |
WO1999002966A1 (en) | 1999-01-21 |
DE69801825D1 (de) | 2001-10-31 |
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