FR1348046A - Cathode incandescente - Google Patents

Cathode incandescente

Info

Publication number
FR1348046A
FR1348046A FR923127A FR923127A FR1348046A FR 1348046 A FR1348046 A FR 1348046A FR 923127 A FR923127 A FR 923127A FR 923127 A FR923127 A FR 923127A FR 1348046 A FR1348046 A FR 1348046A
Authority
FR
France
Prior art keywords
incandescent cathode
incandescent
cathode
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
FR923127A
Other languages
English (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.)
WC Heraus GmbH and Co KG
Original Assignee
WC Heraus GmbH and Co KG
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
Priority claimed from DEH44917A external-priority patent/DE1142664B/de
Application filed by WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Priority to FR923127A priority Critical patent/FR1348046A/fr
Application granted granted Critical
Publication of FR1348046A publication Critical patent/FR1348046A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement, ion-optical arrangement
    • H01J37/06—Electron sources; Electron guns
    • H01J37/07—Eliminating deleterious effects due to thermal effects or electric or magnetic fields

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR923127A 1962-02-17 1963-01-30 Cathode incandescente Expired FR1348046A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR923127A FR1348046A (fr) 1962-02-17 1963-01-30 Cathode incandescente

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEH44917A DE1142664B (de) 1962-02-17 1962-02-17 Gluehkathode
FR923127A FR1348046A (fr) 1962-02-17 1963-01-30 Cathode incandescente

Publications (1)

Publication Number Publication Date
FR1348046A true FR1348046A (fr) 1964-01-04

Family

ID=25979861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923127A Expired FR1348046A (fr) 1962-02-17 1963-01-30 Cathode incandescente

Country Status (1)

Country Link
FR (1) FR1348046A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814976A (en) * 1972-03-22 1974-06-04 Hitachi Ltd Thermionic emission device having thermal expansion compensating means
FR2315766A1 (fr) * 1975-06-23 1977-01-21 Sciaky Sa Canon a electrons

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814976A (en) * 1972-03-22 1974-06-04 Hitachi Ltd Thermionic emission device having thermal expansion compensating means
FR2315766A1 (fr) * 1975-06-23 1977-01-21 Sciaky Sa Canon a electrons

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