ES206486A1 - MEJORAS INTRODUCIDAS EN LOS CáTODOS CILiNDRICOS - Google Patents

MEJORAS INTRODUCIDAS EN LOS CáTODOS CILiNDRICOS

Info

Publication number
ES206486A1
ES206486A1 ES0206486A ES206486A ES206486A1 ES 206486 A1 ES206486 A1 ES 206486A1 ES 0206486 A ES0206486 A ES 0206486A ES 206486 A ES206486 A ES 206486A ES 206486 A1 ES206486 A1 ES 206486A1
Authority
ES
Spain
Prior art keywords
molybdenum
porous
tube
storage chamber
cylindrical
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
ES0206486A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES206486A1 publication Critical patent/ES206486A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • 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
    • Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
    • 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.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12576—Boride, carbide or nitride 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.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12611—Oxide-containing 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

  • Microwave Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
ES0206486A 1951-11-29 1952-11-26 MEJORAS INTRODUCIDAS EN LOS CáTODOS CILiNDRICOS Expired ES206486A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US258875A US2698913A (en) 1951-11-29 1951-11-29 Cathode structure

Publications (1)

Publication Number Publication Date
ES206486A1 true ES206486A1 (es) 1953-01-16

Family

ID=22982500

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0206486A Expired ES206486A1 (es) 1951-11-29 1952-11-26 MEJORAS INTRODUCIDAS EN LOS CáTODOS CILiNDRICOS

Country Status (7)

Country Link
US (1) US2698913A (pm)
BE (1) BE515835A (pm)
CH (1) CH307780A (pm)
DE (1) DE927584C (pm)
ES (1) ES206486A1 (pm)
FR (1) FR1073995A (pm)
GB (1) GB716412A (pm)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075747B (de) * 1960-02-18 Deutsche Elektronik G.m.b.H., Berlin-Wilmersdorf Zylindrische Vorratskathode für Magnetfeldröhren
DE974430C (de) * 1952-10-04 1960-12-22 Telefunken Gmbh Geraeuscharme, mittelbar geheizte Schnellheizkathode fuer Elektronenroehren
NL85507C (pm) * 1953-12-22
US2873217A (en) * 1954-05-20 1959-02-10 Ets Claude Paz & Silva Method for manufacturing a hollow electron-emissive electrode
US2844868A (en) * 1954-06-01 1958-07-29 Sylvania Electric Prod Method of joining refractory metals
BE543391A (pm) * 1954-12-06
NL210138A (pm) * 1955-04-30
US2822302A (en) * 1956-01-16 1958-02-04 Radio Mfg Company Inc Non-emissive electrode
US2882587A (en) * 1956-12-10 1959-04-21 Raytheon Mfg Co Brazing methods
US2957100A (en) * 1957-08-27 1960-10-18 Philips Corp Magnetron cathode structure
US3046444A (en) * 1959-04-28 1962-07-24 Raytheon Co Magnetrons
US3113236A (en) * 1959-06-23 1963-12-03 Philips Corp Oxide dispenser type cathode
US3224071A (en) * 1960-03-14 1965-12-21 Philips Corp Brazing method for porous bodies
US3107422A (en) * 1961-05-16 1963-10-22 Bendix Corp Rhodium diffusion process for bonding and sealing of metallic parts
US3132928A (en) * 1962-02-26 1964-05-12 Donald D Crooks Simultaneous brazing and corrosion protecting refractory metals
US3241230A (en) * 1962-10-12 1966-03-22 Roy I Batista Diffusion bonding of tungsten to tungsten
US3297901A (en) * 1964-06-05 1967-01-10 Litton Industries Inc Dispenser cathode for use in high power magnetron devices
US3431631A (en) * 1964-12-11 1969-03-11 Sylvania Electric Prod Refractory metal diffusion bonding
US3410716A (en) * 1965-04-01 1968-11-12 Trw Inc Coating of refractory metals with metal modified oxides
GB1093136A (en) * 1965-08-27 1967-11-29 Johnson Matthey Co Ltd Improvements in and relating to the bonding together of metals or alloys
US3487536A (en) * 1966-02-24 1970-01-06 Teledyne Inc Method of forming a high temperature ceramic-to-metal seal
NL8200903A (nl) * 1982-03-05 1983-10-03 Philips Nv Werkwijze voor het boreren van een naleveringskathode.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1267827A (en) * 1914-11-06 1918-05-28 Gen Electric Electric discharge device.
US2121589A (en) * 1934-06-28 1938-06-21 Westinghouse Electric & Mfg Co Emissive incandescent cathode
US2131204A (en) * 1936-01-15 1938-09-27 Siemens Ag Indirectly heated thermionic cathode
US2411601A (en) * 1941-09-30 1946-11-26 Raytheon Mfg Co Electronic discharge device
US2381012A (en) * 1942-01-03 1945-08-07 Raytheon Mfg Co Secondary electron discharge device
US2460119A (en) * 1944-09-23 1949-01-25 Gen Electric Magnetron
NL69486C (pm) * 1947-11-26

Also Published As

Publication number Publication date
FR1073995A (fr) 1954-09-30
US2698913A (en) 1955-01-04
GB716412A (en) 1954-10-06
DE927584C (de) 1955-05-12
BE515835A (pm)
CH307780A (de) 1955-06-15

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