DE1068818B - - Google Patents

Info

Publication number
DE1068818B
DE1068818B DENDAT1068818D DE1068818DA DE1068818B DE 1068818 B DE1068818 B DE 1068818B DE NDAT1068818 D DENDAT1068818 D DE NDAT1068818D DE 1068818D A DE1068818D A DE 1068818DA DE 1068818 B DE1068818 B DE 1068818B
Authority
DE
Germany
Prior art keywords
mixture
metal powder
emitting
pressed
metal
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.)
Pending
Application number
DENDAT1068818D
Other languages
German (de)
English (en)
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.)
Publication date
Publication of DE1068818B publication Critical patent/DE1068818B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/923—Physical dimension
    • Y10S428/924—Composite
    • Y10S428/926—Thickness of individual layer specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12042—Porous component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12146—Nonmetal particles in a component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/1266—O, S, or organic compound in metal component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/1284—W-base component

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
DENDAT1068818D 1954-06-16 Pending DE1068818B (US06559137-20030506-C00071.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR782138X 1954-06-16

Publications (1)

Publication Number Publication Date
DE1068818B true DE1068818B (US06559137-20030506-C00071.png) 1959-11-12

Family

ID=9210902

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT1068818D Pending DE1068818B (US06559137-20030506-C00071.png) 1954-06-16

Country Status (4)

Country Link
US (1) US2913812A (US06559137-20030506-C00071.png)
DE (1) DE1068818B (US06559137-20030506-C00071.png)
GB (1) GB782138A (US06559137-20030506-C00071.png)
NL (1) NL102345C (US06559137-20030506-C00071.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0512280A1 (de) * 1991-05-07 1992-11-11 Licentia Patent-Verwaltungs-GmbH Vorratskathode und Verfahren zu deren Herstellung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633204A (US06559137-20030506-C00071.png) * 1962-06-04
DE3600480A1 (de) * 1986-01-10 1987-07-16 Licentia Gmbh Verfahren zum herstellen eines poroesen presslings
US4837480A (en) * 1988-03-28 1989-06-06 Hughes Aircraft Company Simplified process for fabricating dispenser cathodes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT164450B (de) * 1942-03-21 1949-11-10 Philips Nv Elektronen aussendende Elektrode für elektrische Entladungsröhren und Verfahren zu ihrer Herstellung
AT176924B (de) * 1951-03-22 1953-12-10 Philips Nv Verfahren zur Herstellung einer Kathode für eine elektrische Entladungsröhre, die im Inneren einen Vorrat Erdalkalimetallverbindungen enthält und deren Wand wenigstens teilweise aus einem durch Pressen und Sintern hergestellten porösen Körper besteht, und durch dieses Verfahren hergestellte Kathode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883898A (en) * 1928-12-14 1932-10-25 Westinghouse Electric & Mfg Co Thermionic cathode
NL136384B (US06559137-20030506-C00071.png) * 1943-05-01 1900-01-01
US2399773A (en) * 1943-09-02 1946-05-07 Sidney J Waintrob Method of making electrical rectifiers and the like
US2543439A (en) * 1945-05-02 1951-02-27 Edward A Coomes Method of manufacturing coated elements for electron tubes
NL69250C (US06559137-20030506-C00071.png) * 1946-03-05
BE498869A (US06559137-20030506-C00071.png) * 1949-10-25
FR1093241A (US06559137-20030506-C00071.png) * 1953-02-16 1955-05-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT164450B (de) * 1942-03-21 1949-11-10 Philips Nv Elektronen aussendende Elektrode für elektrische Entladungsröhren und Verfahren zu ihrer Herstellung
AT176924B (de) * 1951-03-22 1953-12-10 Philips Nv Verfahren zur Herstellung einer Kathode für eine elektrische Entladungsröhre, die im Inneren einen Vorrat Erdalkalimetallverbindungen enthält und deren Wand wenigstens teilweise aus einem durch Pressen und Sintern hergestellten porösen Körper besteht, und durch dieses Verfahren hergestellte Kathode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0512280A1 (de) * 1991-05-07 1992-11-11 Licentia Patent-Verwaltungs-GmbH Vorratskathode und Verfahren zu deren Herstellung
US5318468A (en) * 1991-05-07 1994-06-07 Licentia Patent-Verwaltungs-Gmbh Dispenser cathode and process for preparing it

Also Published As

Publication number Publication date
NL102345C (US06559137-20030506-C00071.png)
GB782138A (en) 1957-09-04
US2913812A (en) 1959-11-24

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