OA04232A - Tube à gaz d'émission d'électrons pour spectrométrie à rayons X par exitation directe. - Google Patents

Tube à gaz d'émission d'électrons pour spectrométrie à rayons X par exitation directe.

Info

Publication number
OA04232A
OA04232A OA54779A OA54779A OA04232A OA 04232 A OA04232 A OA 04232A OA 54779 A OA54779 A OA 54779A OA 54779 A OA54779 A OA 54779A OA 04232 A OA04232 A OA 04232A
Authority
OA
OAPI
Prior art keywords
electron emission
gas tube
emission gas
direct excitation
ray spectrometry
Prior art date
Application number
OA54779A
Other languages
English (en)
French (fr)
Inventor
Jean Sahores
Original Assignee
Aquitaine Petrole
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 Aquitaine Petrole filed Critical Aquitaine Petrole
Publication of OA04232A publication Critical patent/OA04232A/xx

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 or of ion traps 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

  • 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)
  • Luminescent Compositions (AREA)
  • Lasers (AREA)
  • X-Ray Techniques (AREA)
OA54779A 1971-12-29 1972-12-13 Tube à gaz d'émission d'électrons pour spectrométrie à rayons X par exitation directe. OA04232A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7147290A FR2166539A5 (no) 1971-12-29 1971-12-29

Publications (1)

Publication Number Publication Date
OA04232A true OA04232A (fr) 1979-12-31

Family

ID=9088303

Family Applications (1)

Application Number Title Priority Date Filing Date
OA54779A OA04232A (fr) 1971-12-29 1972-12-13 Tube à gaz d'émission d'électrons pour spectrométrie à rayons X par exitation directe.

Country Status (23)

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

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
IL41186A (en) 1976-04-30
AU467584B2 (en) 1974-07-04
US3857038A (en) 1974-12-24
ES410109A1 (es) 1975-12-16
NO139394C (no) 1979-02-28
LU66756A1 (no) 1973-02-27
NO139394B (no) 1978-11-20
DD102860A5 (no) 1973-12-20
CA994480A (fr) 1976-08-03
BE793443A (fr) 1973-04-16
ATA1116072A (de) 1978-03-15
IL41186A0 (en) 1973-02-28
CH569362A5 (no) 1975-11-14
ZA729131B (en) 1973-11-28
NL7217759A (no) 1973-07-03
BR7209161D0 (pt) 1973-09-25
HK14077A (en) 1977-04-01
CS174866B2 (no) 1977-04-29
GB1409309A (en) 1975-10-08
IT972979B (it) 1974-05-31
AR193002A1 (es) 1973-03-21
DE2264191A1 (de) 1973-07-05
FR2166539A5 (no) 1973-08-17
AU5055772A (en) 1974-07-04
AT346434B (de) 1978-11-10
JPS4881585A (no) 1973-10-31

Similar Documents

Publication Publication Date Title
FR2312104A1 (fr) Canon generateur d'electrons excite par un plasma
ATA999472A (de) Mehrstrahl-kathodenstrahlrohre
CA1034181A (en) Lens-grid system for x-ray generating electron tube
NL7506050A (nl) Kathodestraalbuis.
FR1504694A (fr) Source d'électrons destinée au canon électronique d'un tube à rayons cathodiques
BE764633A (fr) Perfectionnements apportes aux vaporisateurs a tube plongeur
NL7608907A (nl) Kleurenelektronenstraalbuis.
NL7608908A (nl) Kleurenelektronenstraalbuis.
NL7400887A (nl) Kathodestraalbuis.
CH534436A (fr) Tube à décharge pour générateur laser à gaz
NL7513540A (nl) Warmte-integrator voor roentgenbuizen.
NL7603030A (nl) Electronenbuis.
DE2221138B2 (de) Feldemissions-elektronenquelle
OA04232A (fr) Tube à gaz d'émission d'électrons pour spectrométrie à rayons X par exitation directe.
FR1435470A (fr) Renforçateur d'images à rayons chi, à amplification par émission secondaire
FR2287122A1 (fr) Procede pour exciter un gaz moleculaire pour l'emission laser, et laser pour cette emission
NL7405552A (nl) Kathodestraalbuis.
NL7610012A (nl) Elektronenradiografische beeldkamer.
NL7515006A (nl) Gaslaser met vacuumdichte ontladingskolf.
BE786655A (fr) Tube a rayons cathodiques muni d'un silicate luminescent
NL7501068A (nl) Kathode voor elektronenbuis.
BE776351A (fr) Chauffage superficiel par faisceau d'electrons
NL7501774A (nl) Rechthoekige elektronenstraalbuis met vergrote sterkte.
CH546492A (fr) Tube a decharge pour generateur laser a gaz.
FR1422298A (fr) Perfectionnements apportés aux canons électroniques pour tubes à faisceaux creux