FR2197226B1 - - Google Patents

Info

Publication number
FR2197226B1
FR2197226B1 FR7330673A FR7330673A FR2197226B1 FR 2197226 B1 FR2197226 B1 FR 2197226B1 FR 7330673 A FR7330673 A FR 7330673A FR 7330673 A FR7330673 A FR 7330673A FR 2197226 B1 FR2197226 B1 FR 2197226B1
Authority
FR
France
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
FR7330673A
Other languages
French (fr)
Other versions
FR2197226A1 (US20110009641A1-20110113-C00256.png
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates 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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2197226A1 publication Critical patent/FR2197226A1/fr
Application granted granted Critical
Publication of FR2197226B1 publication Critical patent/FR2197226B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02Electron guns
    • H01J3/026Eliminating deleterious effects due to thermal effects, electric or magnetic field
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/06Electron or ion guns
    • H01J23/065Electron or ion guns producing a solid cylindrical beam
FR7330673A 1972-08-24 1973-08-24 Expired FR2197226B1 (US20110009641A1-20110113-C00256.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28343272A 1972-08-24 1972-08-24

Publications (2)

Publication Number Publication Date
FR2197226A1 FR2197226A1 (US20110009641A1-20110113-C00256.png) 1974-03-22
FR2197226B1 true FR2197226B1 (US20110009641A1-20110113-C00256.png) 1976-11-19

Family

ID=23086036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7330673A Expired FR2197226B1 (US20110009641A1-20110113-C00256.png) 1972-08-24 1973-08-24

Country Status (5)

Country Link
JP (1) JPS49134263A (US20110009641A1-20110113-C00256.png)
CA (1) CA975474A (US20110009641A1-20110113-C00256.png)
FR (1) FR2197226B1 (US20110009641A1-20110113-C00256.png)
GB (1) GB1422311A (US20110009641A1-20110113-C00256.png)
IL (1) IL42916A (US20110009641A1-20110113-C00256.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967150A (en) * 1975-01-31 1976-06-29 Varian Associates Grid controlled electron source and method of making same

Also Published As

Publication number Publication date
FR2197226A1 (US20110009641A1-20110113-C00256.png) 1974-03-22
IL42916A (en) 1976-02-29
CA975474A (en) 1975-09-30
GB1422311A (en) 1976-01-28
JPS49134263A (US20110009641A1-20110113-C00256.png) 1974-12-24
IL42916A0 (en) 1973-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse