CA994480A - Gas tube of electron emission for x-ray spectrometer by direct stimulation - Google Patents

Gas tube of electron emission for x-ray spectrometer by direct stimulation

Info

Publication number
CA994480A
CA994480A CA160,017A CA160017A CA994480A CA 994480 A CA994480 A CA 994480A CA 160017 A CA160017 A CA 160017A CA 994480 A CA994480 A CA 994480A
Authority
CA
Canada
Prior art keywords
electron emission
gas tube
ray spectrometer
direct stimulation
stimulation
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
Application number
CA160,017A
Other languages
French (fr)
Other versions
CA160017S (en
Inventor
Jean Sahores
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.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine SA
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 Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Application granted granted Critical
Publication of CA994480A publication Critical patent/CA994480A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/223Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/021Electron guns using a field emission, photo emission, or secondary emission electron source
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00X-ray tubes
    • H01J35/02Details
    • H01J35/20Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/07Investigating materials by wave or particle radiation secondary emission
    • G01N2223/076X-ray fluorescence

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • X-Ray Techniques (AREA)
  • Luminescent Compositions (AREA)
  • Lasers (AREA)
CA160,017A 1971-12-29 1972-12-28 Gas tube of electron emission for x-ray spectrometer by direct stimulation Expired CA994480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7147290A FR2166539A5 (en) 1971-12-29 1971-12-29

Publications (1)

Publication Number Publication Date
CA994480A true CA994480A (en) 1976-08-03

Family

ID=9088303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,017A Expired CA994480A (en) 1971-12-29 1972-12-28 Gas tube of electron emission for x-ray spectrometer by direct stimulation

Country Status (23)

Country Link
US (1) US3857038A (en)
JP (1) JPS4881585A (en)
AR (1) AR193002A1 (en)
AT (1) AT346434B (en)
AU (1) AU467584B2 (en)
BE (1) BE793443A (en)
BR (1) BR7209161D0 (en)
CA (1) CA994480A (en)
CH (1) CH569362A5 (en)
CS (1) CS174866B2 (en)
DD (1) DD102860A5 (en)
DE (1) DE2264191A1 (en)
ES (1) ES410109A1 (en)
FR (1) FR2166539A5 (en)
GB (1) GB1409309A (en)
HK (1) HK14077A (en)
IL (1) IL41186A (en)
IT (1) IT972979B (en)
LU (1) LU66756A1 (en)
NL (1) NL7217759A (en)
NO (1) NO139394C (en)
OA (1) OA04232A (en)
ZA (1) ZA729131B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS268377B1 (en) * 1988-04-08 1990-03-14 Emil Ing Vratnicek Electron gun for electron microscope

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521656A (en) * 1945-12-13 1950-09-05 Emilio G Segre Ionization chamber
US3118064A (en) * 1961-08-30 1964-01-14 Frank H Attix New type of free air ionization chamber
FR1369414A (en) * 1963-06-11 1964-08-14 Commissariat Energie Atomique Method and device for triggering a gas detector for locating nuclear particles
US3601612A (en) * 1969-08-22 1971-08-24 Atomic Energy Commission Wire spark chamber with magnetostrictive readout
US3681600A (en) * 1969-10-24 1972-08-01 Perkin Elmer Corp Retarding field electron spectrometer

Also Published As

Publication number Publication date
NO139394C (en) 1979-02-28
IT972979B (en) 1974-05-31
IL41186A0 (en) 1973-02-28
US3857038A (en) 1974-12-24
GB1409309A (en) 1975-10-08
BE793443A (en) 1973-04-16
NL7217759A (en) 1973-07-03
JPS4881585A (en) 1973-10-31
LU66756A1 (en) 1973-02-27
ATA1116072A (en) 1978-03-15
ZA729131B (en) 1973-11-28
FR2166539A5 (en) 1973-08-17
AU5055772A (en) 1974-07-04
AU467584B2 (en) 1974-07-04
BR7209161D0 (en) 1973-09-25
AR193002A1 (en) 1973-03-21
IL41186A (en) 1976-04-30
AT346434B (en) 1978-11-10
CH569362A5 (en) 1975-11-14
DD102860A5 (en) 1973-12-20
HK14077A (en) 1977-04-01
OA04232A (en) 1979-12-31
DE2264191A1 (en) 1973-07-05
NO139394B (en) 1978-11-20
ES410109A1 (en) 1975-12-16
CS174866B2 (en) 1977-04-29

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