FR2441919A1 - MATERIAL FOR X-RAY TARGET AND X-RAY TUBE USING THE SAME - Google Patents

MATERIAL FOR X-RAY TARGET AND X-RAY TUBE USING THE SAME

Info

Publication number
FR2441919A1
FR2441919A1 FR7928331A FR7928331A FR2441919A1 FR 2441919 A1 FR2441919 A1 FR 2441919A1 FR 7928331 A FR7928331 A FR 7928331A FR 7928331 A FR7928331 A FR 7928331A FR 2441919 A1 FR2441919 A1 FR 2441919A1
Authority
FR
France
Prior art keywords
ray
hafnium
emitting material
same
anode
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.)
Granted
Application number
FR7928331A
Other languages
French (fr)
Other versions
FR2441919B1 (en
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.)
Machlett Laboratories Inc
Original Assignee
Machlett Laboratories Inc
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 Machlett Laboratories Inc filed Critical Machlett Laboratories Inc
Publication of FR2441919A1 publication Critical patent/FR2441919A1/en
Application granted granted Critical
Publication of FR2441919B1 publication Critical patent/FR2441919B1/fr
Granted 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
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08—Anodes; Anti cathodes
    • H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
    • H01J35/105—Cooling of rotating anodes, e.g. heat emitting layers or structures

Landscapes

  • X-Ray Techniques (AREA)

Abstract

TUBES A RAYONS X COMPRENANT UNE ENVELOPPE TUBULAIRE 12 QUI CONTIENT UNE CIBLE FORMANT ANODE AYANT UNE PORTION DE SURFACE REALISEE EN UN MATERIAU EMETTEUR DE RAYONS X ET UNE AUTRE PORTION DE SURFACE REALISEE EN UN MATERIAU EMETTEUR DE CHALEUR CONSTITUE PAR AU MOINS L'UN DES ELEMENTS DU GROUPE COMPRENANT LE BORURE DE HAFNIUM, L'OXYDE DE HAFNIUM, LE NITRURE DE HAFNIUM, LE SILICIURE DE HAFNIUM ET L'ALUMINURE DE HAFNIUM ET UNE CATHODE EMETTRICE D'ELECTRONS 24 DISPOSEE POUR DIRIGER UN FAISCEAU D'ELECTRONS SUR LA PORTION DE SURFACE DE L'ANODE 38 REALISEE EN MATERIAU EMETTEUR DE RAYONS X.X-RAY TUBES INCLUDING A TUBULAR ENVELOPE 12 WHICH CONTAINS AN ANODE-FORMING TARGET HAVING A PORTION OF SURFACE MADE OF AN X-RAY EMITTING MATERIAL AND ANOTHER PORTION OF SURFACE MADE OF A HEAT-EMITTING MATERIAL CONSTITUTED BY AT LEAST ELEMENTS OF THE GROUP INCLUDING HAFNIUM BORIDE, HAFNIUM OXIDE, HAFNIUM NITRIDE, HAFNIUM SILICIDE AND HAFNUM ALUMINIDE AND A 24 ELECTRON EMITTING CATHODE PROVIDED TO DIRECT A BEAM OF ELECTRFACE ON THE PORTION OF ANODE 38 MADE IN X-RAY EMITTING MATERIAL.

FR7928331A 1978-11-20 1979-11-16 MATERIAL FOR X-RAY TARGET AND X-RAY TUBE USING THE SAME Granted FR2441919A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96244578A 1978-11-20 1978-11-20

Publications (2)

Publication Number Publication Date
FR2441919A1 true FR2441919A1 (en) 1980-06-13
FR2441919B1 FR2441919B1 (en) 1983-06-17

Family

ID=25505881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928331A Granted FR2441919A1 (en) 1978-11-20 1979-11-16 MATERIAL FOR X-RAY TARGET AND X-RAY TUBE USING THE SAME

Country Status (6)

Country Link
JP (1) JPS5574049A (en)
AT (1) AT389400B (en)
CA (1) CA1142211A (en)
DE (1) DE2946386C2 (en)
FR (1) FR2441919A1 (en)
GB (1) GB2038083B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574988A1 (en) * 1984-12-13 1986-06-20 Comurhex ROTATING ANODE FOR X-RAY TUBE

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0513921U (en) * 1991-07-30 1993-02-23 株式会社トンボ鉛筆 Packaging box

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1371880A (en) * 1963-07-19 1964-09-11 Thomson Houston Comp Francaise High efficiency x-ray tube
FR2381834A1 (en) * 1977-02-16 1978-09-22 Gen Electric ADVANCED ANODE FOR X-RAY TUBE

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA752025A (en) * 1967-01-31 J. Zunick Michael High capacity x-ray tube
AT300140B (en) * 1970-06-02 1972-07-10 Metallwerk Plansee Ag & Co Kom Rotating anode for X-ray tubes
DE2154888A1 (en) * 1971-11-04 1973-05-17 Siemens Ag ROENTINE PIPE
DE2201979C3 (en) * 1972-01-17 1979-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Process for the production of a blackened layer on rotating anodes of X-ray tubes
NL7312945A (en) * 1973-09-20 1975-03-24 Philips Nv TURNTABLE FOR A ROSE TUBE AND METHOD FOR MANUFACTURE OF SUCH ANODE.
DE2618235C3 (en) * 1976-04-26 1983-01-13 Siemens AG, 1000 Berlin und 8000 München X-ray tube rotating anode

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1371880A (en) * 1963-07-19 1964-09-11 Thomson Houston Comp Francaise High efficiency x-ray tube
FR2381834A1 (en) * 1977-02-16 1978-09-22 Gen Electric ADVANCED ANODE FOR X-RAY TUBE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574988A1 (en) * 1984-12-13 1986-06-20 Comurhex ROTATING ANODE FOR X-RAY TUBE
EP0185598A1 (en) * 1984-12-13 1986-06-25 COMURHEX Société pour la Conversion de l'Uranium en Métal et Hexafluorure Rotary anode for an X-ray tube

Also Published As

Publication number Publication date
CA1142211A (en) 1983-03-01
DE2946386C2 (en) 1988-07-07
GB2038083B (en) 1982-12-01
ATA731779A (en) 1985-09-15
JPS6151376B2 (en) 1986-11-08
JPS5574049A (en) 1980-06-04
FR2441919B1 (en) 1983-06-17
DE2946386A1 (en) 1980-06-04
AT389400B (en) 1989-11-27
GB2038083A (en) 1980-07-16

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Legal Events

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TP Transmission of property
ST Notification of lapse