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FR1197574A - Improvements in electrode manufacturing - Google Patents

Improvements in electrode manufacturing

Info

Publication number
FR1197574A
FR1197574A FR1197574DA FR1197574A FR 1197574 A FR1197574 A FR 1197574A FR 1197574D A FR1197574D A FR 1197574DA FR 1197574 A FR1197574 A FR 1197574A
Authority
FR
France
Prior art keywords
electrode manufacturing
electrode
manufacturing
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
French (fr)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1197574A publication Critical patent/FR1197574A/en
Expired legal-status Critical Current

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
    • H01J43/10—Dynodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0013—Sealed electrodes
FR1197574D 1957-07-06 1958-07-04 Improvements in electrode manufacturing Expired FR1197574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21466/57A GB895451A (en) 1957-07-06 1957-07-06 Improvements in or relating to electrodes

Publications (1)

Publication Number Publication Date
FR1197574A true FR1197574A (en) 1959-12-01

Family

ID=10163417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1197574D Expired FR1197574A (en) 1957-07-06 1958-07-04 Improvements in electrode manufacturing

Country Status (5)

Country Link
US (1) US3039016A (en)
DE (1) DE1281043B (en)
FR (1) FR1197574A (en)
GB (1) GB895451A (en)
NL (2) NL120346C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1313827A (en) * 1961-11-03 1963-01-04 Philips Brasil Manufacturing process of elements in the form of louvers, applicable to the production of dynodes of photomultipliers
US3395306A (en) * 1966-01-17 1968-07-30 Itt Dynode structure for an electron multiplier device
EP0300608A3 (en) * 1987-07-23 1990-07-18 English Electric Valve Company Limited Magnetrons

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1640147A (en) * 1925-05-05 1927-08-23 Fedders Mfg Co Inc Machine for preparing metal strips
US2075639A (en) * 1935-01-25 1937-03-30 Rca Corp Electrode for thermionic discharge devices
GB475769A (en) * 1936-04-02 1937-11-25 Telefunken Gmbh Improvements in or relating to electron discharge tubes
US2134718A (en) * 1936-11-20 1938-11-01 Bell Telephone Labor Inc Electron discharge apparatus
BE429033A (en) * 1937-07-08
US2340500A (en) * 1942-11-16 1944-02-01 Gen Electric X Ray Corp Anode structure
US2460381A (en) * 1946-02-07 1949-02-01 Rca Corp Multiplier unit and supporting means
FR924108A (en) * 1946-02-27 1947-07-28 Radio Electr Soc Fr Improvements to the cooling fins of the vacuum tube anodes
GB745811A (en) * 1951-03-27 1956-03-07 Emi Ltd Improvements relating to electron multipliers
GB741365A (en) * 1952-05-27 1955-11-30 Emi Ltd Improvements in or relating to electron multipliers

Also Published As

Publication number Publication date
NL228956A (en)
US3039016A (en) 1962-06-12
GB895451A (en) 1962-05-02
NL120346C (en)
DE1281043B (en) 1968-10-24

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