FR2197226A1 - - Google Patents

Info

Publication number
FR2197226A1
FR2197226A1 FR7330673A FR7330673A FR2197226A1 FR 2197226 A1 FR2197226 A1 FR 2197226A1 FR 7330673 A FR7330673 A FR 7330673A FR 7330673 A FR7330673 A FR 7330673A FR 2197226 A1 FR2197226 A1 FR 2197226A1
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.)
Granted
Application number
FR7330673A
Other languages
French (fr)
Other versions
FR2197226B1 (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.)
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

    • 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
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
FR7330673A 1972-08-24 1973-08-24 Expired FR2197226B1 (en)

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 true FR2197226A1 (en) 1974-03-22
FR2197226B1 FR2197226B1 (en) 1976-11-19

Family

ID=23086036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7330673A Expired FR2197226B1 (en) 1972-08-24 1973-08-24

Country Status (5)

Country Link
JP (1) JPS49134263A (en)
CA (1) CA975474A (en)
FR (1) FR2197226B1 (en)
GB (1) GB1422311A (en)
IL (1) IL42916A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (en) * 1975-01-31 1976-08-27 Varian Associates CONTROL GRID ELECTRON SOURCE AND MANUFACTURING PROCESS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299720A1 (en) * 1975-01-31 1976-08-27 Varian Associates CONTROL GRID ELECTRON SOURCE AND MANUFACTURING PROCESS

Also Published As

Publication number Publication date
CA975474A (en) 1975-09-30
IL42916A (en) 1976-02-29
JPS49134263A (en) 1974-12-24
IL42916A0 (en) 1973-11-28
GB1422311A (en) 1976-01-28
FR2197226B1 (en) 1976-11-19

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Legal Events

Date Code Title Description
ST Notification of lapse