DK140735B - Opening disc for use in connection with electronic particle counting and sizing devices. - Google Patents

Opening disc for use in connection with electronic particle counting and sizing devices.

Info

Publication number
DK140735B
DK140735B DK556170AA DK556170A DK140735B DK 140735 B DK140735 B DK 140735B DK 556170A A DK556170A A DK 556170AA DK 556170 A DK556170 A DK 556170A DK 140735 B DK140735 B DK 140735B
Authority
DK
Denmark
Prior art keywords
connection
particle counting
opening disc
sizing devices
electronic particle
Prior art date
Application number
DK556170AA
Other languages
Danish (da)
Other versions
DK140735C (en
Inventor
Walter Robert Hogg
Wallace Henry Coulter
Original Assignee
Coulter Electronics
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 Coulter Electronics filed Critical Coulter Electronics
Publication of DK140735B publication Critical patent/DK140735B/en
Application granted granted Critical
Publication of DK140735C publication Critical patent/DK140735C/da

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)
DK556170AA 1969-11-06 1970-11-02 Opening disc for use in connection with electronic particle counting and sizing devices. DK140735B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK140735B true DK140735B (en) 1979-11-05
DK140735C DK140735C (en) 1980-03-24

Family

ID=25364208

Family Applications (1)

Application Number Title Priority Date Filing Date
DK556170AA DK140735B (en) 1969-11-06 1970-11-02 Opening disc for use in connection with electronic particle counting and sizing devices.

Country Status (12)

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

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
EP0068404B1 (en) * 1981-06-24 1985-10-02 Becton Dickinson and Company 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 (en) * 1986-06-17 1990-07-06 Bronzavia Air Equipement JET AND DEVICE IMPLEMENTING SUCH A JET
DE3786657D1 (en) * 1987-02-17 1993-08-26 Ratcom Inc FLOW CYTOMETRY.
ES2098349T3 (en) * 1990-03-08 1997-05-01 Macnaught Pty Ltd FLOW REGULATORS FOR FLUID INFUSION DEVICES.
US5918637A (en) * 1993-08-16 1999-07-06 Fleischman; William H. Plates perforated with venturi-like orifices
WO1995017659A1 (en) * 1993-12-23 1995-06-29 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
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
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
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 (en) *
FR690214A (en) * 1929-06-04 1930-09-17 Glanzstoff Ag Nozzle for the production of artificial silk and in particular for viscose silk
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
BE514770A (en) * 1951-11-08
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 (en) * 1966-04-22 1968-03-15 Paul Aschenbrenner Pan Appbau Glass die, especially for high viscosity synthetic fiber solutions

Also Published As

Publication number Publication date
US3628140A (en) 1971-12-14
DK140735C (en) 1980-03-24
NL7015978A (en) 1971-05-10
CH539271A (en) 1973-07-15
GB1281819A (en) 1972-07-19
FR2068358A5 (en) 1971-08-20
ZA707410B (en) 1972-06-28
SE370461B (en) 1974-10-14
DE2053825B2 (en) 1974-04-11
DE2053825C3 (en) 1974-11-14
BE758383A (en) 1971-04-16
IL35566A (en) 1973-01-30
IL35566A0 (en) 1971-01-28
DE2053825A1 (en) 1971-05-19
CA941905A (en) 1974-02-12

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