BE637187A - - Google Patents
Info
- Publication number
- BE637187A BE637187A BE637187DA BE637187A BE 637187 A BE637187 A BE 637187A BE 637187D A BE637187D A BE 637187DA BE 637187 A BE637187 A BE 637187A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/20—Selection of substances for gas fillings; Specified operating pressures or temperatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/74—Cooling arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/12—Double-wall vessels or containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
-
- 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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283116A NL113462C (en:Method) | 1962-09-11 | 1962-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE637187A true BE637187A (en:Method) |
Family
ID=19754096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE637187D BE637187A (en:Method) | 1962-09-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3275865A (en:Method) |
| BE (1) | BE637187A (en:Method) |
| CH (1) | CH424001A (en:Method) |
| DE (1) | DE1280422B (en:Method) |
| DK (1) | DK108368C (en:Method) |
| GB (1) | GB1019136A (en:Method) |
| NL (1) | NL113462C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5698942A (en) * | 1996-07-22 | 1997-12-16 | University Of North Carolina | Field emitter flat panel display device and method for operating same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT160477B (de) * | 1937-02-16 | 1941-06-10 | Loewe Radio Ag | Elektronenverstärker mit Photokathode. |
| DE689830C (de) * | 1937-05-15 | 1940-04-04 | Siemens & Halske Akt Ges | Verfahren zur Verbesserung der Emissionseigenschaften kalter Spitzenkathoden |
-
0
- BE BE637187D patent/BE637187A/xx unknown
-
1962
- 1962-09-11 NL NL283116A patent/NL113462C/xx active
-
1963
- 1963-09-06 GB GB35287/63A patent/GB1019136A/en not_active Expired
- 1963-09-07 DE DEN23715A patent/DE1280422B/de active Pending
- 1963-09-07 DK DK424263AA patent/DK108368C/da active
- 1963-09-09 CH CH1111763A patent/CH424001A/de unknown
- 1963-09-11 US US308131A patent/US3275865A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL113462C (en:Method) | 1966-12-10 |
| DK108368C (da) | 1967-11-27 |
| CH424001A (de) | 1966-11-15 |
| DE1280422B (de) | 1968-10-17 |
| GB1019136A (en) | 1966-02-02 |
| US3275865A (en) | 1966-09-27 |