OA00764A - Improvements to photoelectric tubes. - Google Patents

Improvements to photoelectric tubes.

Info

Publication number
OA00764A
OA00764A OA50833A OA50833A OA00764A OA 00764 A OA00764 A OA 00764A OA 50833 A OA50833 A OA 50833A OA 50833 A OA50833 A OA 50833A OA 00764 A OA00764 A OA 00764A
Authority
OA
OAPI
Prior art keywords
photoelectric tubes
photoelectric
tubes
Prior art date
Application number
OA50833A
Other languages
French (fr)
Inventor
Georges Pietri
Original Assignee
Electronique & Physique
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 Electronique & Physique filed Critical Electronique & Physique
Publication of OA00764A publication Critical patent/OA00764A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/04—Electron multipliers
    • H01J43/06—Electrode arrangements
    • H01J43/08—Cathode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
OA50833A 1959-02-11 1964-12-12 Improvements to photoelectric tubes. OA00764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786339A FR1226520A (en) 1959-02-11 1959-02-11 Improvements to photoelectric tubes

Publications (1)

Publication Number Publication Date
OA00764A true OA00764A (en) 1967-11-15

Family

ID=8711086

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50833A OA00764A (en) 1959-02-11 1964-12-12 Improvements to photoelectric tubes.

Country Status (5)

Country Link
CH (1) CH379012A (en)
DE (1) DE1214808B (en)
FR (1) FR1226520A (en)
GB (1) GB880799A (en)
OA (1) OA00764A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103079331B (en) * 2012-12-24 2015-08-26 江苏达胜加速器制造有限公司 High-frequency electrode and apply the ground rummy accelerator of this high-frequency electrode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE458449A (en) * 1945-03-29
US2728014A (en) * 1951-04-26 1955-12-20 Rca Corp Electron lens for multiplier phototubes with very low spherical aberration
US2877078A (en) * 1954-04-13 1959-03-10 Du Mont Allen B Lab Inc Method of treating phototubes
FR1115674A (en) * 1954-12-02 1956-04-27 Csf Refinement of grid post-acceleration devices
DE1041182B (en) * 1956-03-27 1958-10-16 Zeiss Jena Veb Carl Secondary electron multiplier with at least two dynode systems housed in a vacuum vessel
DE1028706B (en) * 1956-06-05 1958-04-24 Zeiss Jena Veb Carl Photoelectric device, especially secondary electron multiplier, in which only part of the cathode area is exposed
DE1054608B (en) * 1956-06-09 1959-04-09 Fernseh Gmbh Photocell with a photocathode of a very small surface

Also Published As

Publication number Publication date
FR1226520A (en) 1960-07-13
GB880799A (en) 1961-10-25
CH379012A (en) 1964-06-30
DE1214808B (en) 1966-04-21

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