BE471113A - - Google Patents
Info
- Publication number
- BE471113A BE471113A BE471113DA BE471113A BE 471113 A BE471113 A BE 471113A BE 471113D A BE471113D A BE 471113DA BE 471113 A BE471113 A BE 471113A
- Authority
- BE
- Belgium
- Prior art keywords
- disc
- cathode
- metal
- vacuum tube
- tubes
- Prior art date
Links
- 239000002184 metal Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/36—Tubes with flat electrodes, e.g. disc electrode
-
- 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
Landscapes
- Microwave Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471113A true BE471113A (https=) |
Family
ID=121070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471113D BE471113A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE471113A (https=) |
-
0
- BE BE471113D patent/BE471113A/fr unknown
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