BE515835A - - Google Patents

Info

Publication number
BE515835A
BE515835A BE515835DA BE515835A BE 515835 A BE515835 A BE 515835A BE 515835D A BE515835D A BE 515835DA BE 515835 A BE515835 A BE 515835A
Authority
BE
Belgium
Application number
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 of BE515835A publication Critical patent/BE515835A/xx

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
BE515835D 1951-11-29 BE515835A (en)

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
BE515835A true BE515835A (en)

Family

ID=22982500

Family Applications (1)

Application Number Title Priority Date Filing Date
BE515835D BE515835A (en) 1951-11-29

Country Status (7)

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

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075747B (en) * 1960-02-18 Deutsche Elektronik G.m.b.H., Berlin-Wilmersdorf Cylindrical supply cathode for magnetrons
DE974430C (en) * 1952-10-04 1960-12-22 Telefunken Gmbh Low-noise, indirectly heated rapid heating cathode for electron tubes
NL85507C (en) * 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
NL94233C (en) * 1954-12-06
NL210138A (en) * 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 (en) * 1982-03-05 1983-10-03 Philips Nv METHOD FOR DRILLING A SUPPLY CATHOD.

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
BE486002A (en) * 1947-11-26

Also Published As

Publication number Publication date
FR1073995A (en) 1954-09-30
DE927584C (en) 1955-05-12
CH307780A (en) 1955-06-15
US2698913A (en) 1955-01-04
GB716412A (en) 1954-10-06
ES206486A1 (en) 1953-01-16

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