GB597470A - Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubes - Google Patents
Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubesInfo
- Publication number
- GB597470A GB597470A GB21307/45A GB2130745A GB597470A GB 597470 A GB597470 A GB 597470A GB 21307/45 A GB21307/45 A GB 21307/45A GB 2130745 A GB2130745 A GB 2130745A GB 597470 A GB597470 A GB 597470A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- nickel
- indirectly heated
- relating
- mounting
- Prior art date
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- 229910018487 Ni—Cr Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 abstract 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
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
- H01J1/26—Supports for the emissive material
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL50640X | 1940-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB597470A true GB597470A (en) | 1948-01-27 |
Family
ID=19756154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21307/45A Expired GB597470A (en) | 1940-06-05 | 1945-08-21 | Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubes |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE441617A (enrdf_load_stackoverflow) |
| CH (1) | CH225248A (enrdf_load_stackoverflow) |
| FR (1) | FR872829A (enrdf_load_stackoverflow) |
| GB (1) | GB597470A (enrdf_load_stackoverflow) |
| NL (1) | NL54119C (enrdf_load_stackoverflow) |
-
0
- BE BE441617D patent/BE441617A/xx unknown
- NL NL54119D patent/NL54119C/xx active
-
1941
- 1941-06-03 FR FR872829D patent/FR872829A/fr not_active Expired
- 1941-06-03 CH CH225248D patent/CH225248A/de unknown
-
1945
- 1945-08-21 GB GB21307/45A patent/GB597470A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR872829A (fr) | 1942-06-19 |
| NL54119C (enrdf_load_stackoverflow) | |
| BE441617A (enrdf_load_stackoverflow) | |
| CH225248A (de) | 1943-01-15 |
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