IT1101790B - Modulo ad apertura sensore di particola elettronico con elettrodo perforato - Google Patents

Modulo ad apertura sensore di particola elettronico con elettrodo perforato

Info

Publication number
IT1101790B
IT1101790B IT48010/78A IT4801078A IT1101790B IT 1101790 B IT1101790 B IT 1101790B IT 48010/78 A IT48010/78 A IT 48010/78A IT 4801078 A IT4801078 A IT 4801078A IT 1101790 B IT1101790 B IT 1101790B
Authority
IT
Italy
Prior art keywords
particle sensor
opening module
sensor opening
perforated electrode
electronic particle
Prior art date
Application number
IT48010/78A
Other languages
English (en)
Other versions
IT7848010A0 (it
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 IT7848010A0 publication Critical patent/IT7848010A0/it
Application granted granted Critical
Publication of IT1101790B publication Critical patent/IT1101790B/it

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 Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Sampling And Sample Adjustment (AREA)
IT48010/78A 1977-02-15 1978-02-10 Modulo ad apertura sensore di particola elettronico con elettrodo perforato IT1101790B (it)

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
IT7848010A0 IT7848010A0 (it) 1978-02-10
IT1101790B true IT1101790B (it) 1985-10-07

Family

ID=27118096

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48010/78A IT1101790B (it) 1977-02-15 1978-02-10 Modulo ad apertura sensore di particola elettronico con elettrodo perforato

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337597B (en) * 1996-11-20 2000-08-16 Microbial Systems Ltd Particle sizing apparatus
GB9624096D0 (en) * 1996-11-20 1997-01-08 Microbial Systems Ltd Apparatus and method of use thereof
US6418802B1 (en) * 1996-11-21 2002-07-16 Michael Anthony Wood Particle sizing apparatus and method of use thereof
SE0101597D0 (sv) * 2001-05-09 2001-05-09 Astrazeneca Ab Apparatus and method of testing pressurised 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
IL53921A0 (en) 1978-04-30
IL53921A (en) 1979-12-30
AU508072B2 (en) 1980-03-06
SE7801123L (sv) 1978-08-16
IT7848010A0 (it) 1978-02-10
CH623931A5 (en) 1981-06-30
GB1597904A (en) 1981-09-16
AU3286078A (en) 1979-08-09
JPS53121695A (en) 1978-10-24
FR2380549B1 (it) 1983-07-08
NL7801072A (nl) 1978-08-17
FR2380549A1 (fr) 1978-09-08
ES466979A1 (es) 1979-08-16
DE2806383A1 (de) 1978-08-17

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