DE68925983T2 - Optische Vorrichtung zur Messung von Teilchengrössen - Google Patents

Optische Vorrichtung zur Messung von Teilchengrössen

Info

Publication number
DE68925983T2
DE68925983T2 DE68925983T DE68925983T DE68925983T2 DE 68925983 T2 DE68925983 T2 DE 68925983T2 DE 68925983 T DE68925983 T DE 68925983T DE 68925983 T DE68925983 T DE 68925983T DE 68925983 T2 DE68925983 T2 DE 68925983T2
Authority
DE
Germany
Prior art keywords
optical device
particle sizes
measuring particle
measuring
sizes
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.)
Expired - Fee Related
Application number
DE68925983T
Other languages
English (en)
Other versions
DE68925983D1 (de
Inventor
Kenneth P Vonbargen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Scientific Co
Original Assignee
Pacific Scientific Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pacific Scientific Co filed Critical Pacific Scientific Co
Application granted granted Critical
Publication of DE68925983D1 publication Critical patent/DE68925983D1/de
Publication of DE68925983T2 publication Critical patent/DE68925983T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • 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
    • G01N15/1434—Optical arrangements
    • 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
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • 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
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G01N2015/0238—Single particle scatter
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N2021/4704—Angular selective
    • G01N2021/4707—Forward scatter; Low angle scatter

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)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE68925983T 1988-01-15 1989-01-10 Optische Vorrichtung zur Messung von Teilchengrössen Expired - Fee Related DE68925983T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/144,225 US4842406A (en) 1988-01-15 1988-01-15 Optical instruments for measuring particle sizes

Publications (2)

Publication Number Publication Date
DE68925983D1 DE68925983D1 (de) 1996-04-25
DE68925983T2 true DE68925983T2 (de) 1996-10-31

Family

ID=22507628

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925983T Expired - Fee Related DE68925983T2 (de) 1988-01-15 1989-01-10 Optische Vorrichtung zur Messung von Teilchengrössen

Country Status (4)

Country Link
US (1) US4842406A (de)
EP (1) EP0324413B1 (de)
JP (1) JP2761018B2 (de)
DE (1) DE68925983T2 (de)

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EP0391256B1 (de) * 1989-04-07 1994-01-05 GRIMM LABORTECHNIK GMbH & Co. KG Vorrichtung und Verfahren zum Bestimmen der Korngrössenverteilung und der Gesamtkonzentration von Partikeln in einem Gas, insbesondere in Luft
US5033851A (en) * 1989-05-30 1991-07-23 Pacific Scientific Company Light scattering method and apparatus for detecting particles in liquid sample
US5061065A (en) * 1989-10-20 1991-10-29 Pacific Scientific Company Particle contamination detection in fluids through the external section of a laser
US5092675A (en) * 1989-11-14 1992-03-03 Pacific Scientific Company Vacuum line particle detector with slab laser
JP2715604B2 (ja) * 1989-12-18 1998-02-18 株式会社島津製作所 レーザ回折・散乱式粒度分布測定装置
JP3049254B2 (ja) * 1990-02-08 2000-06-05 シスメックス株式会社 ２種類の光源を備えた光学式粒子分析装置
JP2899359B2 (ja) * 1990-05-08 1999-06-02 興和株式会社 流体中の粒子計測方法及びその装置
US5084614A (en) * 1990-09-21 1992-01-28 Tsi Incorporated Optical single particle detector with lenseless fiber optic probe
DE69129260T2 (de) * 1990-11-03 1998-11-19 Horiba Ltd Gerät zur Messung der Teilchengrössenverteilung
JP2863874B2 (ja) * 1990-12-30 1999-03-03 株式会社堀場製作所 粒度分布測定装置
FR2689247B1 (fr) * 1992-03-24 1994-06-03 Electricite De France Procede et dispositif de mesure optique des dimensions d'un objet ou de la vitesse d'un objet ou d'un fluide en mouvement dans un champ.
US5298967A (en) * 1992-06-02 1994-03-29 Pacific Scientific Company Measurement of concentrations of dissolved solvent
US5426501A (en) * 1993-01-06 1995-06-20 Laser Sensor Technology, Inc. Apparatus and method for particle analysis
US5467189A (en) * 1993-01-22 1995-11-14 Venturedyne, Ltd. Improved particle sensor and method for assaying a particle
US5534999A (en) * 1993-03-05 1996-07-09 Shinmikuni Kikai Ltd. Monitoring sub-micron particles
US5859705A (en) * 1993-05-26 1999-01-12 The Dow Chemical Company Apparatus and method for using light scattering to determine the size of particles virtually independent of refractive index
US6373868B1 (en) * 1993-05-28 2002-04-16 Tong Zhang Single-mode operation and frequency conversions for diode-pumped solid-state lasers
WO1995005594A1 (en) * 1993-08-19 1995-02-23 Venturedyne Limited Particle sensor with low-pressure-drop air flow system
US5835211A (en) * 1996-03-28 1998-11-10 Particle Sizing Systems, Inc. Single-particle optical sensor with improved sensitivity and dynamic size range
KR100503020B1 (ko) * 1997-03-10 2005-11-08 후지 덴키 가부시끼가이샤 탁도의측정방법및장치
US5849064B1 (en) * 1997-04-14 2000-05-02 Micromeritics Instr Corp System and method for evenly suspending and circulating particles in a liquid
US5870190A (en) * 1997-11-25 1999-02-09 Venturedyne, Ltd. Particle sensor and related method offering improved particle discrimination
US6305777B1 (en) * 1998-08-04 2001-10-23 Sarnoff Corporation Apparatus and method for measurement of a liquid droplet
DE19849597A1 (de) * 1998-10-28 2000-05-04 Dade Behring Marburg Gmbh Nephelometrische Detektionseinheit mit optischer In-Prozeß-Kontrolle
EP1008843A1 (de) * 1998-12-07 2000-06-14 Venturedyne Ltd. Teilchensensor und verwandte verbesserte Teilchenunterscheidung bietende Verfahren
US6600559B2 (en) * 2001-03-22 2003-07-29 Eastman Kodak Company On-line method for detecting particle size during a milling process
WO2003021213A1 (en) * 2001-08-29 2003-03-13 Merck & Co., Inc. Method for monitoring particle size
KR20030045729A (ko) * 2003-05-07 2003-06-11 최희규 다성분 입자계 입도측정시 최적 굴절률 선정방법
JP2005121415A (ja) * 2003-10-15 2005-05-12 Shimadzu Corp 粒度分布測定装置
DE10348950A1 (de) * 2003-10-18 2005-05-19 Minebea Co., Ltd. Verfahren zur Volumenbestimmung von kleinen bewegten kugelförmigen Objekten
US20050151968A1 (en) * 2004-01-08 2005-07-14 The Lxt Group Systems and methods for continuous, on-line, real-time surveillance of particles in a fluid
US7274447B2 (en) * 2004-06-21 2007-09-25 Swce Material porosity pressure impulse testing system
WO2012137686A1 (ja) * 2011-04-01 2012-10-11 関西ペイント株式会社 粒子径の評価方法および評価装置
CN102636420B (zh) * 2012-04-27 2014-03-12 西安交通大学 一种大型喷雾场雾化液滴粒径测量装置
JP6517193B2 (ja) * 2013-06-07 2019-05-22 マルバーン インストゥルメンツ リミテッド アレイベースの試料特性評価
JP2016128795A (ja) * 2015-01-09 2016-07-14 パナソニックＩｐマネジメント株式会社 粒子測定装置、空気清浄機、及び、粒子測定方法
JP6515683B2 (ja) * 2015-05-29 2019-05-22 富士通株式会社 測定装置および測定システム
US10151682B2 (en) * 2015-07-14 2018-12-11 Teilch Llc Airborne particle measuring device
US10670523B2 (en) * 2016-04-19 2020-06-02 Intel Corporation Particulate matter measurement using light sheet generation and scattering analysis
CN107219195B (zh) * 2017-05-23 2019-07-23 山东中医药大学附属医院 一种血液白细胞检测装置和方法
US11275014B1 (en) 2021-05-03 2022-03-15 Roy Olson Particle characteristic measurement apparatus

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US3873204A (en) * 1970-01-14 1975-03-25 Bio Physics Systems Inc Optical extinction photoanalysis apparatus for small particles
US3797937A (en) * 1972-03-01 1974-03-19 Environmental Systems Corp System for making particle measurements
US3830568A (en) * 1973-05-25 1974-08-20 Texas Instruments Inc Multiple detection volume laser doppler velocimeter
US4015135A (en) * 1975-01-10 1977-03-29 E. I. Dupont De Nemours And Company Method and apparatus for particulate monitoring
US4348111A (en) * 1978-12-07 1982-09-07 The English Electric Company Limited Optical particle analyzers
US4263508A (en) * 1979-04-20 1981-04-21 Research Corporation Pulse edge measurement for determining particle dimensional characteristics
US4265538A (en) * 1979-10-18 1981-05-05 Leeds & Northrup Company Optical sample cell for analysis of particles in liquid suspension
JPS58131541A (ja) * 1982-01-30 1983-08-05 Shimadzu Corp 白血球・ヘモグロビン量同時測定装置
SU1173264A1 (ru) * 1983-09-30 1985-08-15 Университет дружбы народов им.Патриса Лумумбы Способ измерени размеров частиц
US4596464A (en) * 1983-10-14 1986-06-24 Ortho Diagnostic Systems, Inc. Screening method for red cell abnormality
JPS6089731A (ja) * 1983-10-21 1985-05-20 Toa Medical Electronics Co Ltd 粒子計数装置

Also Published As

Publication number Publication date
JP2761018B2 (ja) 1998-06-04
US4842406A (en) 1989-06-27
JPH01216232A (ja) 1989-08-30
DE68925983D1 (de) 1996-04-25
EP0324413A2 (de) 1989-07-19
EP0324413A3 (en) 1990-09-12
EP0324413B1 (de) 1996-03-20

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee