ZA707410B - Scanning element and aperture wafer for electronic particle counting and sizing apparatus - Google Patents

Scanning element and aperture wafer for electronic particle counting and sizing apparatus

Info

Publication number
ZA707410B
ZA707410B ZA707410A ZA707410A ZA707410B ZA 707410 B ZA707410 B ZA 707410B ZA 707410 A ZA707410 A ZA 707410A ZA 707410 A ZA707410 A ZA 707410A ZA 707410 B ZA707410 B ZA 707410B
Authority
ZA
South Africa
Prior art keywords
scanning element
particle counting
sizing apparatus
electronic particle
aperture wafer
Prior art date
Application number
ZA707410A
Other languages
English (en)
Inventor
W Hogg
W Coulter
Original Assignee
W Coulter
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 W Coulter filed Critical W Coulter
Publication of ZA707410B publication Critical patent/ZA707410B/xx

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
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
ZA707410A 1969-11-06 1970-11-02 Scanning element and aperture wafer for electronic particle counting and sizing apparatus ZA707410B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87463269A 1969-11-06 1969-11-06

Publications (1)

Publication Number Publication Date
ZA707410B true ZA707410B (en) 1972-06-28

Family

ID=25364208

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707410A ZA707410B (en) 1969-11-06 1970-11-02 Scanning element and aperture wafer for electronic particle counting and sizing apparatus

Country Status (12)

Country Link
US (1) US3628140A (da)
BE (1) BE758383A (da)
CA (1) CA941905A (da)
CH (1) CH539271A (da)
DE (1) DE2053825C3 (da)
DK (1) DK140735B (da)
FR (1) FR2068358A5 (da)
GB (1) GB1281819A (da)
IL (1) IL35566A (da)
NL (1) NL7015978A (da)
SE (1) SE370461B (da)
ZA (1) ZA707410B (da)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771058A (en) * 1971-04-05 1973-11-06 Coulter Electronics Scanner element for coulter particle apparatus
US3739258A (en) * 1971-08-20 1973-06-12 Iit Res Inst Method and apparatus for detecting and sizing microscopic particles
US4673288A (en) * 1981-05-15 1987-06-16 Ratcom, Inc. Flow cytometry
US4818103A (en) * 1981-05-15 1989-04-04 Ratcom Flow cytometry
DE3266669D1 (en) * 1981-06-24 1985-11-07 Becton Dickinson Co Analyzer for simultaneously determining volume and light emission characteristics of particles
GB8505047D0 (en) * 1985-02-27 1985-03-27 Alcan Int Ltd Studying particles
US4778657A (en) * 1985-09-10 1988-10-18 Kernforschungszentrum Karlsruhe Gmbh Apparatus for determining the characteristics of particles suspended in liquids
US4760328A (en) * 1986-05-05 1988-07-26 Integrated Ionics, Inc. Particle counter having electrodes and circuitry mounted on the pane of the orifice
FR2600125B1 (fr) * 1986-06-17 1990-07-06 Bronzavia Air Equipement Gicleur et dispositif mettant en oeuvre un tel gicleur
ATE91789T1 (de) * 1987-02-17 1993-08-15 Ratcom Inc Durchflusszytometrie.
ES2098349T3 (es) * 1990-03-08 1997-05-01 Macnaught Pty Ltd Reguladores de flujo para aparatos de infusion de fluidos.
US5918637A (en) * 1993-08-16 1999-07-06 Fleischman; William H. Plates perforated with venturi-like orifices
AU1258595A (en) * 1993-12-23 1995-07-10 Abbott Laboratories Method of making a stress relieved count probe
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
US9423336B2 (en) 2013-01-24 2016-08-23 Beckman Coulter, Inc. Systems and methods for particle sensing and characterization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR665776A (da) *
FR690214A (fr) * 1929-06-04 1930-09-17 Glanzstoff Ag Tuyère pour la production de la soie artificielle et en particulier pour la soie deviscose
US2105198A (en) * 1936-02-07 1938-01-11 Capstan Glass Co Heat control mechanism
US2190357A (en) * 1937-06-09 1940-02-13 Aro Equipment Corp Replaceable needle point adapter for lubricating devices
NL173016C (nl) * 1951-11-08 Gizeh Werk Gmbh Inrichting voor het met tabak vullen van tevoren vervaardigde sigarettehulzen.
US2790463A (en) * 1956-03-19 1957-04-30 Delano & Garner Mfg Co Flow regulator
US3264557A (en) * 1961-12-06 1966-08-02 Heeps Brian Hamilton Method and apparatus for detecting and measuring minute quantities of water presentin liquid hydrocarbon fuels
US3266526A (en) * 1962-11-26 1966-08-16 Robert H Berg Peripherally locked and sealed orifice disk and method
FR1517434A (fr) * 1966-04-22 1968-03-15 Paul Aschenbrenner Pan Appbau Filière en verre, en particulier pour les solutions de fibres synthétiques à haute viscosité

Also Published As

Publication number Publication date
IL35566A0 (en) 1971-01-28
BE758383A (nl) 1971-04-16
DE2053825B2 (da) 1974-04-11
IL35566A (en) 1973-01-30
FR2068358A5 (da) 1971-08-20
CA941905A (en) 1974-02-12
NL7015978A (da) 1971-05-10
GB1281819A (en) 1972-07-19
DE2053825A1 (de) 1971-05-19
US3628140A (en) 1971-12-14
DK140735B (da) 1979-11-05
CH539271A (fr) 1973-07-15
DK140735C (da) 1980-03-24
DE2053825C3 (de) 1974-11-14
SE370461B (da) 1974-10-14

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