NL108689C - - Google Patents
Info
- Publication number
- NL108689C NL108689C NL108689DA NL108689C NL 108689 C NL108689 C NL 108689C NL 108689D A NL108689D A NL 108689DA NL 108689 C NL108689 C NL 108689C
- Authority
- NL
- Netherlands
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
- 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
- H01J9/047—Cathodes having impregnated bodies
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78860359 US2972078A (en) | 1959-01-23 | 1959-01-23 | Carburization of dispenser cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL108689C true NL108689C (en) | 1900-01-01 |
Family
ID=25144990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL108689D NL108689C (en) | 1959-01-23 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US2972078A (en) |
| AT (1) | AT219166B (en) |
| BE (1) | BE586842A (en) |
| CH (1) | CH402197A (en) |
| DE (1) | DE1094887B (en) |
| DK (1) | DK93307C (en) |
| FR (1) | FR1245997A (en) |
| GB (1) | GB919419A (en) |
| NL (1) | NL108689C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2242986C3 (en) * | 1972-09-01 | 1981-05-07 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Hot cathode |
| DE2842079A1 (en) * | 1978-09-27 | 1980-04-03 | Siemens Ag | SUPPLY CATHODE, ESPECIALLY METAL CAPILLARY CATHODE |
| GB2043991B (en) * | 1978-11-30 | 1983-05-11 | Varian Associates | Method of fabricating a dispenser cathode |
| DE3334971A1 (en) * | 1983-09-27 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Dispenser cathode, in particular capillary metal cathode |
| KR910006044B1 (en) * | 1988-11-12 | 1991-08-12 | 삼성전관 주식회사 | Manufacturing method of an electron gun for crt |
| KR920003185B1 (en) * | 1990-01-31 | 1992-04-23 | 삼성전관 주식회사 | Dispensor cathode and the manufacturing method of the same |
| FR2803088B1 (en) * | 1999-12-22 | 2002-02-01 | Thomson Tubes & Displays | METHOD FOR ASSEMBLING A CATHODE FOR A CATHODE RAY TUBE |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1922244A (en) * | 1930-09-13 | 1933-08-15 | Fansteel Prod Co Inc | Electrode and method of making the same |
| BE509019A (en) * | 1951-02-08 | |||
| CH305546A (en) * | 1951-02-16 | 1955-02-28 | Siemens Ag | Cathode for electrical discharge vessels. |
-
0
- NL NL108689D patent/NL108689C/xx active
-
1959
- 1959-01-23 US US78860359 patent/US2972078A/en not_active Expired - Lifetime
-
1960
- 1960-01-19 DE DEN17772A patent/DE1094887B/en active Pending
- 1960-01-20 GB GB208260A patent/GB919419A/en not_active Expired
- 1960-01-20 DK DK20760A patent/DK93307C/en active
- 1960-01-20 AT AT40760A patent/AT219166B/en active
- 1960-01-20 CH CH60660A patent/CH402197A/en unknown
- 1960-01-22 BE BE586842A patent/BE586842A/en unknown
- 1960-01-23 FR FR816505A patent/FR1245997A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2972078A (en) | 1961-02-14 |
| GB919419A (en) | 1963-02-27 |
| DK93307C (en) | 1962-04-30 |
| BE586842A (en) | 1960-07-22 |
| CH402197A (en) | 1965-11-15 |
| FR1245997A (en) | 1960-11-10 |
| DE1094887B (en) | 1960-12-15 |
| AT219166B (en) | 1962-01-10 |