CA994480A - Tube a gaz d'emission d'electrons pour spectrometrie a rayons x par excitation directe - Google Patents

Tube a gaz d'emission d'electrons pour spectrometrie a rayons x par excitation directe

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
English (en)
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/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating 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
    • G01N23/22—Investigating 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
    • G01N23/223—Investigating 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/021—Electron guns using a field emission, photo emission, or secondary emission electron source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/20—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/07—Investigating materials by wave or particle radiation secondary emission
    • G01N2223/076—X-ray fluorescence

Landscapes

  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Lasers (AREA)
  • Luminescent Compositions (AREA)
  • X-Ray Techniques (AREA)
CA160,017A 1971-12-29 1972-12-28 Tube a gaz d'emission d'electrons pour spectrometrie a rayons x par excitation directe Expired CA994480A (fr)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9088303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,017A Expired CA994480A (fr) 1971-12-29 1972-12-28 Tube a gaz d'emission d'electrons pour spectrometrie a rayons x par excitation directe

Country Status (23)

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

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 (fr) * 1963-06-11 1964-08-14 Commissariat Energie Atomique Procédé et dispositif de déclenchement d'un détecteur à gaz permettant la localisation de particules nucléaires
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
OA04232A (fr) 1979-12-31
IL41186A0 (en) 1973-02-28
JPS4881585A (it) 1973-10-31
HK14077A (en) 1977-04-01
AR193002A1 (es) 1973-03-21
NO139394B (no) 1978-11-20
IT972979B (it) 1974-05-31
GB1409309A (en) 1975-10-08
DE2264191A1 (de) 1973-07-05
AT346434B (de) 1978-11-10
FR2166539A5 (it) 1973-08-17
NL7217759A (it) 1973-07-03
CH569362A5 (it) 1975-11-14
ATA1116072A (de) 1978-03-15
CS174866B2 (it) 1977-04-29
BE793443A (fr) 1973-04-16
NO139394C (no) 1979-02-28
LU66756A1 (it) 1973-02-27
US3857038A (en) 1974-12-24
ZA729131B (en) 1973-11-28
AU5055772A (en) 1974-07-04
IL41186A (en) 1976-04-30
DD102860A5 (it) 1973-12-20
AU467584B2 (en) 1974-07-04
BR7209161D0 (pt) 1973-09-25
ES410109A1 (es) 1975-12-16

Similar Documents

Publication Publication Date Title
AU469016B2 (en) Electron guns for use in cathode ray tubes
CA937971A (en) Cathode ray tube apparatus
AU500139B2 (en) Cathode ray tube
CA955640A (en) Color cathode ray tube
CA961175A (en) Induced electron emission spectrometer using plural radiation sources
CA930009A (en) Cathode ray tubes
CA949932A (en) Pallet-package structure for cathode ray tubes
IL41312A0 (en) Image tube employing high field electron emission suppression
CA925153A (en) Method of rebuilding an evacuated electron tube
CA924767A (en) Flash getter composition for use within cathode ray tubes
AU463341B2 (en) Cathode ray tube witha stud-supported electrode
AU461800B2 (en) Method of rebuilding and evacuated electron tube
AU463380B2 (en) Cathode ray tube apparatus
AU457127B2 (en) Cathode ray tube
AU490891B2 (en) Cathode ray tube
CA1011386A (en) Electrodes of cathode ray tube electron gun
CA854333A (en) Cathode ray tube shield
CA853611A (en) Phosphors for emission of electromagnetic radiation
AU4240272A (en) Induced electron emission spectrometer using plural radiation sources
CA869661A (en) Cathode for an x-ray tube
CA880480A (en) Cathode ray tube magnetic shield
CA876311A (en) Electron tube electrode
BR7209161D0 (pt) Tubo de gas de emissao eletrons para espectrometria com raios x por excitacao direta
CA877507A (en) High voltage connection for cathode ray tube
CA957720A (en) High resolution shadowmask cathode ray tube