IL53921A - Electronic particle sensing aperture module with perforated electrode - Google Patents

Electronic particle sensing aperture module with perforated electrode

Info

Publication number
IL53921A
IL53921A IL53921A IL5392178A IL53921A IL 53921 A IL53921 A IL 53921A IL 53921 A IL53921 A IL 53921A IL 5392178 A IL5392178 A IL 5392178A IL 53921 A IL53921 A IL 53921A
Authority
IL
Israel
Prior art keywords
particle sensing
perforated electrode
aperture module
sensing aperture
electronic particle
Prior art date
Application number
IL53921A
Other versions
IL53921A0 (en
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
Priority claimed from US05/768,864 external-priority patent/US4090128A/en
Application filed by Coulter Electronics filed Critical Coulter Electronics
Publication of IL53921A0 publication Critical patent/IL53921A0/en
Publication of IL53921A publication Critical patent/IL53921A/en

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
    • 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

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 Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
IL53921A 1977-02-15 1978-01-30 Electronic particle sensing aperture module with perforated electrode IL53921A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/768,864 US4090128A (en) 1977-02-15 1977-02-15 Aperture module for use in particle testing apparatus
US86837478A 1978-01-10 1978-01-10

Publications (2)

Publication Number Publication Date
IL53921A0 IL53921A0 (en) 1978-04-30
IL53921A true IL53921A (en) 1979-12-30

Family

ID=27118096

Family Applications (1)

Application Number Title Priority Date Filing Date
IL53921A IL53921A (en) 1977-02-15 1978-01-30 Electronic particle sensing aperture module with perforated electrode

Country Status (11)

Country Link
JP (1) JPS53121695A (en)
AU (1) AU508072B2 (en)
CH (1) CH623931A5 (en)
DE (1) DE2806383A1 (en)
ES (1) ES466979A1 (en)
FR (1) FR2380549A1 (en)
GB (1) GB1597904A (en)
IL (1) IL53921A (en)
IT (1) IT1101790B (en)
NL (1) NL7801072A (en)
SE (1) SE7801123L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9624096D0 (en) * 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
GB2337598B (en) * 1996-11-20 2000-08-16 Microbial Systems Ltd Particle sizing apparatus
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
SE0101597D0 (en) 2001-05-09 2001-05-09 Astrazeneca Ab Apparatus and method of testing pressurized containers by non-invasive means

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520316A (en) * 1963-12-12 1970-07-14 Bowles Eng Corp Pressure-to-pressure transducer
US3746976A (en) * 1971-04-07 1973-07-17 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus
US3902115A (en) * 1973-09-26 1975-08-26 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor
US4014611A (en) * 1975-04-30 1977-03-29 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus

Also Published As

Publication number Publication date
IT1101790B (en) 1985-10-07
IT7848010A0 (en) 1978-02-10
IL53921A0 (en) 1978-04-30
SE7801123L (en) 1978-08-16
DE2806383A1 (en) 1978-08-17
FR2380549A1 (en) 1978-09-08
JPS53121695A (en) 1978-10-24
FR2380549B1 (en) 1983-07-08
AU3286078A (en) 1979-08-09
GB1597904A (en) 1981-09-16
NL7801072A (en) 1978-08-17
ES466979A1 (en) 1979-08-16
AU508072B2 (en) 1980-03-06
CH623931A5 (en) 1981-06-30

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