CA975474A - Gridded convergent flow electron gun - Google Patents

Gridded convergent flow electron gun

Info

Publication number
CA975474A
CA975474A CA179,521A CA179521A CA975474A CA 975474 A CA975474 A CA 975474A CA 179521 A CA179521 A CA 179521A CA 975474 A CA975474 A CA 975474A
Authority
CA
Canada
Prior art keywords
gridded
electron gun
convergent flow
flow electron
convergent
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
CA179,521A
Other languages
English (en)
Other versions
CA179521S (en
Inventor
George V. Miram
Gerhard B. Kuehne
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
Application granted granted Critical
Publication of CA975474A publication Critical patent/CA975474A/en
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
CA179,521A 1972-08-24 1973-08-23 Gridded convergent flow electron gun Expired CA975474A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA975474A true CA975474A (en) 1975-09-30

Family

ID=23086036

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,521A Expired CA975474A (en) 1972-08-24 1973-08-23 Gridded convergent flow electron gun

Country Status (5)

Country Link
JP (1) JPS49134263A (US20010021848A1-20010913-M00008.png)
CA (1) CA975474A (US20010021848A1-20010913-M00008.png)
FR (1) FR2197226B1 (US20010021848A1-20010913-M00008.png)
GB (1) GB1422311A (US20010021848A1-20010913-M00008.png)
IL (1) IL42916A (US20010021848A1-20010913-M00008.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 (US20010021848A1-20010913-M00008.png) 1974-03-22
IL42916A (en) 1976-02-29
FR2197226B1 (US20010021848A1-20010913-M00008.png) 1976-11-19
GB1422311A (en) 1976-01-28
JPS49134263A (US20010021848A1-20010913-M00008.png) 1974-12-24
IL42916A0 (en) 1973-11-28

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