FR796281A - Tube à rayons chi à tache focale réglable - Google Patents

Tube à rayons chi à tache focale réglable

Info

Publication number
FR796281A
FR796281A FR796281DA FR796281A FR 796281 A FR796281 A FR 796281A FR 796281D A FR796281D A FR 796281DA FR 796281 A FR796281 A FR 796281A
Authority
FR
France
Prior art keywords
ray tube
focal spot
adjustable focal
spot chi
chi ray
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
Other languages
English (en)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR796281A publication Critical patent/FR796281A/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
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/064—Details of the emitter, e.g. material or structure
FR796281D 1934-11-09 1935-10-14 Tube à rayons chi à tache focale réglable Expired FR796281A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE444945X 1934-11-09

Publications (1)

Publication Number Publication Date
FR796281A true FR796281A (fr) 1936-04-03

Family

ID=6537688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796281D Expired FR796281A (fr) 1934-11-09 1935-10-14 Tube à rayons chi à tache focale réglable

Country Status (4)

Country Link
US (1) US2090722A (pm)
FR (1) FR796281A (pm)
GB (1) GB444945A (pm)
NL (1) NL43904C (pm)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471298A (en) * 1943-10-02 1949-05-24 Gen Electric X Ray Corp Cathode cup construction
NL287527A (pm) * 1962-01-15
US3701915A (en) * 1971-01-04 1972-10-31 Air Reduction Electron beam gun
EP0698907A3 (de) * 1994-07-20 1996-05-01 Mishnarodnij Zentr Elektronno Elektronenkanone.

Also Published As

Publication number Publication date
NL43904C (pm)
US2090722A (en) 1937-08-24
GB444945A (en) 1936-03-31

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