FR732173A - Perfectionnements aux générateurs de rayons chi - Google Patents

Perfectionnements aux générateurs de rayons chi

Info

Publication number
FR732173A
FR732173A FR732173DA FR732173A FR 732173 A FR732173 A FR 732173A FR 732173D A FR732173D A FR 732173DA FR 732173 A FR732173 A FR 732173A
Authority
FR
France
Prior art keywords
ray generators
chi
chi ray
generators
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR732173A publication Critical patent/FR732173A/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
    • 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
    • H01J35/066—Details of electron optical components, e.g. cathode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/06—Cathode assembly
    • H01J2235/068—Multi-cathode assembly
FR732173D 1931-02-25 1932-02-23 Perfectionnements aux générateurs de rayons chi Expired FR732173A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US518050A US1923876A (en) 1931-02-25 1931-02-25 Means and method of producing an X-ray focus varying with the x-ray tube load
GB5559/32A GB402385A (en) 1931-02-25 1932-02-24 Improvements in and relating to x-ray tubes

Publications (1)

Publication Number Publication Date
FR732173A true FR732173A (fr) 1932-09-14

Family

ID=9798398

Family Applications (1)

Application Number Title Priority Date Filing Date
FR732173D Expired FR732173A (fr) 1931-02-25 1932-02-23 Perfectionnements aux générateurs de rayons chi

Country Status (3)

Country Link
US (1) US1923876A (fr)
FR (1) FR732173A (fr)
GB (1) GB402385A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10872741B2 (en) 2016-06-20 2020-12-22 Canon Electron Tubes & Devices Co., Ltd. X-ray tube

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017533A (en) * 1956-05-08 1962-01-16 Rca Corp Auxiliary discharge gas amplifier and the like
US4685118A (en) * 1983-11-10 1987-08-04 Picker International, Inc. X-ray tube electron beam switching and biasing method and apparatus
US4764947A (en) * 1985-12-04 1988-08-16 The Machlett Laboratories, Incorporated Cathode focusing arrangement
FR2633774B1 (fr) * 1988-07-01 1991-02-08 Gen Electric Cgr Tube a rayons x a foyer variable auto-adapte a la charge
FR2633773B1 (fr) * 1988-07-01 1991-02-08 Gen Electric Cgr Tube radiogene a auto-limitation du flux electronique par saturation
US5007074A (en) * 1989-07-25 1991-04-09 Picker International, Inc. X-ray tube anode focusing by low voltage bias

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10872741B2 (en) 2016-06-20 2020-12-22 Canon Electron Tubes & Devices Co., Ltd. X-ray tube

Also Published As

Publication number Publication date
GB402385A (en) 1933-11-30
US1923876A (en) 1933-08-22

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