BE515834A - - Google Patents

Info

Publication number: BE515834A
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.)

1951-11-29

Publication of BE515834A publication Critical patent/BE515834A/xx

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
- 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

BE515834D 1951-11-29 BE515834A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US258892A US2700118A (en)	1951-11-29	1951-11-29	Incandescible cathode

Publications (1)

Publication Number	Publication Date
BE515834A true BE515834A (pt)

Family

ID=22982585

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE515834D BE515834A (pt)	1951-11-29

Country Status (8)

Country	Link
US (1)	US2700118A (pt)
BE (1)	BE515834A (pt)
CH (1)	CH314129A (pt)
DE (1)	DE973193C (pt)
ES (1)	ES206485A1 (pt)
FR (1)	FR1073994A (pt)
GB (1)	GB734209A (pt)
NL (1)	NL91132C (pt)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE519027A (pt) *	1952-04-09
BE525821A (pt) *	1953-01-19
BE548876A (pt) *	1953-08-14
NL96853C (pt) *	1953-09-24
NL97571C (pt) *	1953-11-18
NL85507C (pt) *	1953-12-22
US2881512A (en) *	1954-06-16	1959-04-14	Cie Generale De Telegraphite S	Composition for sintered barium cathodes
NL198145A (pt) *	1954-06-17
NL94233C (pt) *	1954-12-06
US2931934A (en) *	1955-02-05	1960-04-05	Egyesuelt Izzolampa	Indirectly heated supply cathode
NL99051C (pt) *	1955-02-09
BE559450A (pt) *	1956-07-24
NL101006C (pt) *	1956-09-05
US2874077A (en) *	1957-10-23	1959-02-17	Rauland Corp	Thermionic cathodes
US2957231A (en) *	1958-08-01	1960-10-25	Gen Electric	Electrode for electric discharge device
US3118080A (en) *	1959-12-10	1964-01-14	Semicon Associates Inc	Tungsten dispenser cathodes and impregnants therefor
DE1273075B (de) *	1961-07-08	1968-07-18	Funkwerk Erfurt Veb K	Verfahren zur Herstellung von Oxydkathoden
US3258636A (en) *	1961-09-01	1966-06-28		Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal
NL133280C (pt) *	1963-09-24
US3275435A (en) *	1963-11-01	1966-09-27	Gen Electric	Method of production of a dispenser cathode
US3269804A (en) *	1963-11-01	1966-08-30	Gen Electric	Dispenser cathode and method for the production thereof
US3303378A (en) *	1964-06-17	1967-02-07	Chorney Paul	Monolithic cathode structure
US3458913A (en) *	1966-04-19	1969-08-05	Siemens Ag	Supply cathode for electrical discharge vessels and method for its production
GB1219705A (en) *	1968-05-10	1971-01-20	Hitachi Ltd	Light source lamp for atomic light absorption analysis
US3489554A (en) *	1969-03-13	1970-01-13	Sylvania Electric Prod	Art of producing emitter-type electrode structures
US4097762A (en) *	1975-08-14	1978-06-27	International Telephone & Telegraph Corporation	Xenon arc discharge lamp having a particular electrode composition and wherein the arc discharge is obtained without heating the electrode
AU527753B2 (en) *	1978-09-07	1983-03-24	Tokyo Shibaura Denki Kabushiki Kaisha	Discharge lamp electrode
GB1446507A (en) *	1978-09-15	1976-08-18	V N I Pk I T I Elektrosvarochn	Electrode for plasma arc working of conductive materials
CH659916A5 (de) *	1983-03-31	1987-02-27	Inst Radiotekh Elektron	Katode und gasentladungsroehre, ausgefuehrt auf der basis dieser katode.
US5007874A (en) *	1990-10-15	1991-04-16	The United States Of America As Represented By The Secretary Of The Army	Method of making a cathode from tungsten and iridium powders using a reaction product from reacting a group III A metal with barium peroxide as an impregnant

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1931254A (en) *	1928-02-28	1933-10-17	Electrons Inc	Electronic tube
US1846242A (en) *	1929-01-05	1932-02-23	Argco Tube And Television Corp	Electrode and method of making the same
US2085605A (en) *	1934-05-11	1937-06-29	Gen Electric	Thermionic cathode for electric discharge devices
US2121589A (en) *	1934-06-28	1938-06-21	Westinghouse Electric & Mfg Co	Emissive incandescent cathode
DE669029C (de) *	1934-06-29	1938-12-15	Siemens Schuckertwerke Akt Ges	Selbstaufheizkathode
GB445575A (en) *	1934-10-12	1936-04-14	Gen Electric Co Ltd	Improvements in or relating to electric discharge devices
AT156720B (de) *	1936-09-03	1939-08-10	Philips Nv	Glühelektrode für elektrische Entladungsröhren.
GB485410A (en) *	1937-03-17	1938-05-19	Gen Electric Co Ltd	Improvements in cathodes for electric discharge devices
FR903976A (fr) *	1942-08-19	1945-10-23	Fides Gmbh	Perfectionnements aux cathodes destinées à la production d'un faisceau électronique
US2389060A (en) *	1943-08-13	1945-11-13	Callite Tungsten Corp	Refractory body of high electronic emission
NL69486C (pt) *	1947-11-26

0
- BE BE515834D patent/BE515834A/xx unknown
- NL NL91132D patent/NL91132C/xx active
1951
- 1951-11-29 US US258892A patent/US2700118A/en not_active Expired - Lifetime
1952
- 1952-11-25 DE DEN6396A patent/DE973193C/de not_active Expired
- 1952-11-26 ES ES0206485A patent/ES206485A1/es not_active Expired
- 1952-11-26 GB GB29949/52A patent/GB734209A/en not_active Expired
- 1952-11-27 FR FR1073994D patent/FR1073994A/fr not_active Expired
- 1952-11-27 CH CH314129D patent/CH314129A/de unknown

Also Published As

Publication number	Publication date
CH314129A (de)	1956-05-31
US2700118A (en)	1955-01-18
ES206485A1 (es)	1953-01-16
NL91132C (pt)
GB734209A (en)	1955-07-27
FR1073994A (fr)	1954-09-30
DE973193C (de)	1959-12-17

Publication	Publication Date	Title
FR972400A (pt)	1951-01-29
FR65680E (pt)	1956-02-29
AT192177A (pt)	1957-10-10
BE529553A (pt)
BE514227A (pt)
BE534741A (pt)
BE515834A (pt)
BE516516A (pt)
BE512632A (pt)
BE512624A (pt)
BE512513A (pt)
BE511315A (pt)
BE511172A (pt)
BE509028A (pt)
BE509012A (pt)
BE508830A (pt)	1953-07-17
BE507726A (pt)	1951-12-31
BE505041A (pt)
BE502089A (pt)
BE502062A (pt)
BE502010A (pt)
BE501787A (pt)
BE501710A (pt)
BE501709A (pt)
BE500995A (pt)