JPH0444373B2 - - Google Patents
Info
- Publication number
- JPH0444373B2 JPH0444373B2 JP12669682A JP12669682A JPH0444373B2 JP H0444373 B2 JPH0444373 B2 JP H0444373B2 JP 12669682 A JP12669682 A JP 12669682A JP 12669682 A JP12669682 A JP 12669682A JP H0444373 B2 JPH0444373 B2 JP H0444373B2
- Authority
- JP
- Japan
- Prior art keywords
- tungsten wire
- wire
- electron tube
- tube cathode
- tungsten
- 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 - Lifetime
Links
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000003746 surface roughness Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 18
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 238000005498 polishing Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 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
- H01J1/14—Solid thermionic cathodes characterised by the material
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57126696A JPS5918538A (ja) | 1982-07-22 | 1982-07-22 | 電子管陰極用タングステン線およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57126696A JPS5918538A (ja) | 1982-07-22 | 1982-07-22 | 電子管陰極用タングステン線およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5918538A JPS5918538A (ja) | 1984-01-30 |
| JPH0444373B2 true JPH0444373B2 (https=) | 1992-07-21 |
Family
ID=14941579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57126696A Granted JPS5918538A (ja) | 1982-07-22 | 1982-07-22 | 電子管陰極用タングステン線およびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5918538A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12559823B2 (en) | 2021-04-27 | 2026-02-24 | Niterra Materials Co., Ltd. | Tungsten wire, and tungsten wire processing method and electrolytic wire using the same |
-
1982
- 1982-07-22 JP JP57126696A patent/JPS5918538A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12559823B2 (en) | 2021-04-27 | 2026-02-24 | Niterra Materials Co., Ltd. | Tungsten wire, and tungsten wire processing method and electrolytic wire using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5918538A (ja) | 1984-01-30 |
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