FR581574A - - Google Patents
Info
- Publication number
- FR581574A FR581574A FR581574DA FR581574A FR 581574 A FR581574 A FR 581574A FR 581574D A FR581574D A FR 581574DA FR 581574 A FR581574 A FR 581574A
- Authority
- FR
- France
- 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
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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
- Y10T428/2958—Metal or metal compound in coating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL216160X | 1923-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR581574A true FR581574A (de) | 1924-12-02 |
Family
ID=19779084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR581574D Expired FR581574A (de) | 1923-05-18 |
Country Status (5)
Country | Link |
---|---|
US (1) | US1794810A (de) |
DE (1) | DE465276C (de) |
FR (1) | FR581574A (de) |
GB (1) | GB216160A (de) |
NL (1) | NL16794C (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671739A (en) * | 1949-06-22 | 1954-03-09 | Bell Telephone Labor Inc | Plating with sulfides, selenides, and tellurides of chromium, molybdenum, and tungsten |
US2704727A (en) * | 1951-10-08 | 1955-03-22 | Ohio Commw Eng Co | Method of deposition of non-conductive copper coatings from vapor phase |
US2717915A (en) * | 1952-11-13 | 1955-09-13 | Zalman M Shapiro | Apparatus for production of purified metals |
DE1001239B (de) * | 1953-06-23 | 1957-01-24 | Metallgesellschaft Ag | Korrosionsbestaendige Elektrode fuer Elektrofilter |
DE1078095B (de) * | 1953-07-13 | 1960-03-24 | Metallgesellschaft Ag | Korrosionsbestaendige Ausstroemerelektrode fuer Elektrofilter |
DE1101618B (de) * | 1953-10-02 | 1961-03-09 | Int Standard Electric Corp | Verfahren zur Herstellung eines Elektrolytkondensators mit einer Titananode |
DE1069448B (de) * | 1953-11-16 | 1959-11-19 | MetallgeseMschaft Aktiengesellschaft, Frankfurt/M | Zahnräder |
DE954301C (de) * | 1953-11-26 | 1956-12-13 | Metallgesellschaft Ag | Feinmaschinenlager mit gehaerteter Oberflaeche |
US2865791A (en) * | 1954-03-05 | 1958-12-23 | Metallgesellschaft Ag | Metal nitride coating process |
DE1041320B (de) * | 1954-03-09 | 1958-10-16 | Metallgesellschaft Ag | Verfahren zum Gasplattieren mit hochschmelzenden Nitriden |
DE1001873C2 (de) * | 1954-03-26 | 1957-07-11 | Metallgesellschaft Ag | Behaelter und sonstige Apparateteile zur Herstellung von Metallen aus ihren Halogeniden |
US2780553A (en) * | 1955-07-07 | 1957-02-05 | Ohio Commw Eng Co | Process of providing a controlled atmosphere containing a heat decomposable metal compound |
US2822302A (en) * | 1956-01-16 | 1958-02-04 | Radio Mfg Company Inc | Non-emissive electrode |
US2864731A (en) * | 1956-07-13 | 1958-12-16 | David H Gurinsky | Forming protective films on metal |
US2926111A (en) * | 1958-04-03 | 1960-02-23 | Donald G Schweitzer | Method of forming a protective coating on ferrous metal surfaces |
US2960642A (en) * | 1958-04-17 | 1960-11-15 | Quartz & Silice S A | Dielectric films and capacitors employing the same |
US3089949A (en) * | 1958-11-28 | 1963-05-14 | Westinghouse Electric Corp | Arc welding method and article |
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0
- FR FR581574D patent/FR581574A/fr not_active Expired
- NL NL16794D patent/NL16794C/xx active
-
1924
- 1924-05-09 DE DEN23173D patent/DE465276C/de not_active Expired
- 1924-05-14 US US713223A patent/US1794810A/en not_active Expired - Lifetime
- 1924-05-17 GB GB12202/24A patent/GB216160A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL16794C (de) | |
DE465276C (de) | 1928-09-15 |
GB216160A (en) | 1925-09-17 |
US1794810A (en) | 1931-03-03 |