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GB2328505B - Method and apparatus for analyzing particles - Google Patents

Method and apparatus for analyzing particles

Info

Publication number
GB2328505B
GB2328505B GB9814896A GB9814896A GB2328505B GB 2328505 B GB2328505 B GB 2328505B GB 9814896 A GB9814896 A GB 9814896A GB 9814896 A GB9814896 A GB 9814896A GB 2328505 B GB2328505 B GB 2328505B
Authority
GB
United Kingdom
Prior art keywords
analyzing particles
analyzing
particles
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
GB9814896A
Other versions
GB9814896D0 (en
GB2328505A (en
Inventor
Heinz Umhauer
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.)
Palas GmbH Partikel und Lasermesstechnik
Original Assignee
Palas GmbH Partikel und Lasermesstechnik
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 Palas GmbH Partikel und Lasermesstechnik filed Critical Palas GmbH Partikel und Lasermesstechnik
Publication of GB9814896D0 publication Critical patent/GB9814896D0/en
Publication of GB2328505A publication Critical patent/GB2328505A/en
Application granted granted Critical
Publication of GB2328505B publication Critical patent/GB2328505B/en
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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • G01N15/1436—Optical arrangements the optical arrangement forming an integrated apparatus with the sample container, e.g. a flow cell
    • 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
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • 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
    • G01N2015/1027—Determining speed or velocity of a particle

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)
  • Measuring Volume Flow (AREA)
GB9814896A 1997-08-20 1998-07-10 Method and apparatus for analyzing particles Expired - Fee Related GB2328505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19736172A DE19736172B4 (en) 1997-08-20 1997-08-20 Particle analysis method and apparatus

Publications (3)

Publication Number Publication Date
GB9814896D0 GB9814896D0 (en) 1998-09-09
GB2328505A GB2328505A (en) 1999-02-24
GB2328505B true GB2328505B (en) 2001-05-23

Family

ID=7839588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9814896A Expired - Fee Related GB2328505B (en) 1997-08-20 1998-07-10 Method and apparatus for analyzing particles

Country Status (3)

Country Link
CH (1) CH693829A5 (en)
DE (1) DE19736172B4 (en)
GB (1) GB2328505B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1302764B1 (en) * 2001-10-10 2007-02-21 Borealis Technology Oy Particle data analysis
DE10247353A1 (en) * 2002-10-10 2004-04-22 Hydac Filtertechnik Gmbh Flow dependency reduction method for fluid soiling level measuring device with particle counting sensor contained in measuring cell using light-blocking principle
DE102005028893B4 (en) * 2005-06-19 2007-12-06 Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung Stiftung des öffentlichen Rechts Device for particle detection in a depth-limited lens
DE102005050722B4 (en) 2005-10-19 2010-10-14 Stiftung Alfred-Wegener-Institut für Polar- und Meeresforschung Stiftung des öffentlichen Rechts Ring light with limited illumination volume and its use
DE102006054922B3 (en) 2006-11-22 2008-01-31 Durag Gmbh Device for limiting measuring volume in optical measuring system, has electronic evaluation unit or electronic data processing unit connected with surface segments evaluating electrical signals supplied by focus and edge segment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042166A (en) * 1979-01-02 1980-09-17 Coulter Electronics Measuring the distribution of radiant energy from particles
US4537507A (en) * 1982-10-18 1985-08-27 Spectron Development Laboratories, Inc. Dual beam maximum intensity laser sizing system
GB2193570A (en) * 1986-08-05 1988-02-10 Secr Defence Analyser for airborne particles
EP0361770A2 (en) * 1988-09-30 1990-04-04 Kowa Company Ltd. Particle measuring method and apparatus
GB2237950A (en) * 1989-11-03 1991-05-15 Atomic Energy Authority Uk Particle size and velocity determination
GB2295670A (en) * 1994-12-03 1996-06-05 Deutsche Forsch Luft Raumfahrt Measuring flow vectors in gas flows
GB2311603A (en) * 1996-03-27 1997-10-01 Univ Hertfordshire Particle analyser

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685783B1 (en) * 1991-12-26 1994-03-18 Etat Francais Delegue Armement METHOD AND DEVICE FOR THE AUTOMATION OF DOPPLER LASER VELOCIMETERS OPERATING IN FRONT DIFFUSION.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042166A (en) * 1979-01-02 1980-09-17 Coulter Electronics Measuring the distribution of radiant energy from particles
US4537507A (en) * 1982-10-18 1985-08-27 Spectron Development Laboratories, Inc. Dual beam maximum intensity laser sizing system
GB2193570A (en) * 1986-08-05 1988-02-10 Secr Defence Analyser for airborne particles
EP0361770A2 (en) * 1988-09-30 1990-04-04 Kowa Company Ltd. Particle measuring method and apparatus
GB2237950A (en) * 1989-11-03 1991-05-15 Atomic Energy Authority Uk Particle size and velocity determination
GB2295670A (en) * 1994-12-03 1996-06-05 Deutsche Forsch Luft Raumfahrt Measuring flow vectors in gas flows
GB2311603A (en) * 1996-03-27 1997-10-01 Univ Hertfordshire Particle analyser

Also Published As

Publication number Publication date
GB9814896D0 (en) 1998-09-09
GB2328505A (en) 1999-02-24
CH693829A5 (en) 2004-02-27
DE19736172B4 (en) 2004-02-05
DE19736172A1 (en) 1999-02-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090710