DE69334181D1 - Verbesserter partikelsensor und vorrichtung zum nachweis eines teilchens - Google Patents

Verbesserter partikelsensor und vorrichtung zum nachweis eines teilchens

Info

Publication number
DE69334181D1
DE69334181D1 DE69334181T DE69334181T DE69334181D1 DE 69334181 D1 DE69334181 D1 DE 69334181D1 DE 69334181 T DE69334181 T DE 69334181T DE 69334181 T DE69334181 T DE 69334181T DE 69334181 D1 DE69334181 D1 DE 69334181D1
Authority
DE
Germany
Prior art keywords
particle
detecting
improved
sensor
particle sensor
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 - Lifetime
Application number
DE69334181T
Other languages
English (en)
Other versions
DE69334181T2 (de
Inventor
Gerhard Kreikebaum
David L Chandler
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.)
Venturedyne Ltd
Original Assignee
Venturedyne Ltd
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 Venturedyne Ltd filed Critical Venturedyne Ltd
Publication of DE69334181D1 publication Critical patent/DE69334181D1/de
Application granted granted Critical
Publication of DE69334181T2 publication Critical patent/DE69334181T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • 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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6463—Optics
    • G01N2021/6469—Cavity, e.g. ellipsoid

Landscapes

  • Chemical & Material Sciences (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)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69334181T 1993-09-27 1993-12-06 Verbesserter partikelsensor und vorrichtung zum nachweis eines teilchens Expired - Lifetime DE69334181T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12657093A 1993-09-27 1993-09-27
US126570 1993-09-27
PCT/US1993/011886 WO1995009354A1 (en) 1993-09-27 1993-12-06 Improved particle sensor and method for assaying a particle

Publications (2)

Publication Number Publication Date
DE69334181D1 true DE69334181D1 (de) 2007-12-20
DE69334181T2 DE69334181T2 (de) 2008-08-21

Family

ID=22425549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69334181T Expired - Lifetime DE69334181T2 (de) 1993-09-27 1993-12-06 Verbesserter partikelsensor und vorrichtung zum nachweis eines teilchens

Country Status (4)

Country Link
EP (1) EP0723654B1 (de)
JP (1) JP3436539B2 (de)
DE (1) DE69334181T2 (de)
WO (1) WO1995009354A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004006754A2 (en) 2002-07-16 2004-01-22 Research Electro-Optics, Inc. Method for noise cancellation by spectral flattening of laser output in a multi-line-laser instrument
US7079243B2 (en) 2002-07-16 2006-07-18 Research Electro-Optics, Inc. Method of noise cancellation in an unpolarized-laser instrument
US7023620B1 (en) 2003-07-03 2006-04-04 Research Electro-Optics, Inc. Beam array pitch controller
US20120120385A1 (en) * 2006-06-27 2012-05-17 Jian-Ping Jiang Pathogen detection by simultaneous size/fluorescence measurement
DE102012211992A1 (de) * 2012-07-10 2014-01-30 Siemens Aktiengesellschaft Anordnung für die laserbasierte Partikeldetektion
JP2015227805A (ja) * 2014-05-30 2015-12-17 アズビル株式会社 液中粒子検出装置及び液中粒子の検出方法
JP6676066B2 (ja) 2015-11-05 2020-04-08 ギガフォトン株式会社 極端紫外光生成装置
EP3392648B1 (de) * 2015-12-14 2020-10-07 Mitsubishi Electric Corporation Vorrichtung zur erkennung kleinster objekte
JP2017116287A (ja) 2015-12-21 2017-06-29 パナソニックＩｐマネジメント株式会社 粒子検出センサ
KR102380173B1 (ko) * 2017-04-14 2022-03-29 엘지이노텍 주식회사 입자 센싱 장치
DE102017211429A1 (de) * 2017-07-05 2019-01-10 Robert Bosch Gmbh Partikelsensor
CN109238473B (zh) * 2018-11-02 2020-08-11 汕头大学 一种红外图像阵列传感器灰尘干扰进行校准的装置与方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614231A (en) * 1968-02-12 1971-10-19 Coulter Electronics Optical aerosol counter
US3946239A (en) * 1975-01-24 1976-03-23 The United States Of America As Represented By The United Energy Research And Development Administration Ellipsoidal cell flow system
US4140395A (en) * 1976-12-07 1979-02-20 Environmental Systems Corporation Electro-optical method and system for in situ measurements of particle size and distribution
SE428972B (sv) * 1979-03-07 1983-08-01 Svenska Utvecklings Ab Anordning for detektering av forekommande av svevande, fasta eller vetskeformade partiklar i en gas
GB8726305D0 (en) * 1987-11-10 1987-12-16 Secr Defence Portable particle analysers
JPH0739994B2 (ja) * 1988-10-12 1995-05-01 三菱電機株式会社 微細粒子測定装置
US5282151A (en) * 1991-02-28 1994-01-25 Particle Measuring Systems, Inc. Submicron diameter particle detection utilizing high density array

Also Published As

Publication number Publication date
EP0723654A1 (de) 1996-07-31
JPH09502254A (ja) 1997-03-04
WO1995009354A1 (en) 1995-04-06
JP3436539B2 (ja) 2003-08-11
DE69334181T2 (de) 2008-08-21
EP0723654B1 (de) 2007-11-07
EP0723654A4 (de) 1998-05-27

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