DK114991B - Method for manufacturing a flat cathode element for electron tubes. - Google Patents
Method for manufacturing a flat cathode element for electron tubes.Info
- Publication number
- DK114991B DK114991B DK214264AA DK214264A DK114991B DK 114991 B DK114991 B DK 114991B DK 214264A A DK214264A A DK 214264AA DK 214264 A DK214264 A DK 214264A DK 114991 B DK114991 B DK 114991B
- Authority
- DK
- Denmark
- Prior art keywords
- manufacturing
- cathode element
- electron tubes
- flat cathode
- flat
- Prior art date
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
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49982—Coating
- Y10T29/49986—Subsequent to metal working
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2296863 | 1963-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK114991B true DK114991B (en) | 1969-08-25 |
Family
ID=12097363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK214264AA DK114991B (en) | 1963-04-30 | 1964-04-29 | Method for manufacturing a flat cathode element for electron tubes. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3341917A (en) |
AT (1) | AT265448B (en) |
BE (1) | BE647298A (en) |
CH (1) | CH422169A (en) |
DE (1) | DE1258520B (en) |
DK (1) | DK114991B (en) |
GB (1) | GB1057909A (en) |
NL (1) | NL139622B (en) |
SE (1) | SE321033B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6606592A (en) * | 1966-05-13 | 1967-11-14 | ||
NL6701138A (en) * | 1967-01-25 | 1968-07-26 | ||
US3992201A (en) * | 1972-02-04 | 1976-11-16 | Duro-Test Corporation | Filaments for fluorescent lamps |
JPS5420111B2 (en) * | 1972-02-17 | 1979-07-20 | ||
US4296399A (en) * | 1977-12-21 | 1981-10-20 | A-T-O Inc. | Microminiature palladium oxide gas detector and method of making same |
US4523125A (en) * | 1981-07-13 | 1985-06-11 | General Electric Company | Fluorescent lamp electrodes |
DE3315417C1 (en) * | 1983-04-28 | 1984-10-04 | Roda Holding Anstalt, Vaduz | Methods and devices for winding and forming coils made of elastic plastic or metal wire, preferably for joining flat structures |
US4813126A (en) * | 1986-10-01 | 1989-03-21 | Williamson Windings Inc. | Apparatus and method for fabricating magnetic devices |
US5343112A (en) * | 1989-01-18 | 1994-08-30 | Balzers Aktiengesellschaft | Cathode arrangement |
WO2008157413A1 (en) * | 2007-06-13 | 2008-12-24 | Aerojet- General Corporation | Cathode heater |
DE102010038904B4 (en) * | 2010-08-04 | 2012-09-20 | Siemens Aktiengesellschaft | cathode |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1767716A (en) * | 1927-06-27 | 1930-06-24 | Central Radio Lab | Electrical resistance and method of making same |
US2287460A (en) * | 1940-11-29 | 1942-06-23 | Rca Corp | Insulated heater and method of manufacture |
US2394474A (en) * | 1944-12-28 | 1946-02-05 | Gen Electric | Coiled filament or cathode and its manufacture |
US2482826A (en) * | 1945-08-04 | 1949-09-27 | Tung Sol Lamp Works Inc | Filament structure for thermionic tubes |
BE475720A (en) * | 1946-08-30 | |||
US2548592A (en) * | 1949-08-26 | 1951-04-10 | Gen Electric | Resistance strain gauge and method for making same |
DE1143589B (en) * | 1959-12-22 | 1963-02-14 | Edgerton Germeshausen And Grie | Method of manufacturing a heater for cathodes of electrical discharge tubes |
-
1964
- 1964-04-21 AT AT350164A patent/AT265448B/en active
- 1964-04-22 US US361799A patent/US3341917A/en not_active Expired - Lifetime
- 1964-04-23 CH CH532164A patent/CH422169A/en unknown
- 1964-04-29 SE SE5380/64A patent/SE321033B/xx unknown
- 1964-04-29 DK DK214264AA patent/DK114991B/en unknown
- 1964-04-29 BE BE647298D patent/BE647298A/xx unknown
- 1964-04-29 NL NL646404760A patent/NL139622B/en unknown
- 1964-04-30 DE DEM60866A patent/DE1258520B/en not_active Withdrawn
- 1964-04-30 GB GB18036/64A patent/GB1057909A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT265448B (en) | 1968-10-10 |
NL139622B (en) | 1973-08-15 |
NL6404760A (en) | 1964-11-02 |
US3341917A (en) | 1967-09-19 |
CH422169A (en) | 1966-10-15 |
DE1258520B (en) | 1968-01-11 |
GB1057909A (en) | 1967-02-08 |
SE321033B (en) | 1970-02-23 |
BE647298A (en) | 1964-08-17 |
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