JPS6112615B2 - - Google Patents
Info
- Publication number
- JPS6112615B2 JPS6112615B2 JP14044978A JP14044978A JPS6112615B2 JP S6112615 B2 JPS6112615 B2 JP S6112615B2 JP 14044978 A JP14044978 A JP 14044978A JP 14044978 A JP14044978 A JP 14044978A JP S6112615 B2 JPS6112615 B2 JP S6112615B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- tungsten
- surface layer
- cathode structure
- electron emission
- 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
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000002344 surface layer Substances 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 239000010937 tungsten Substances 0.000 claims description 7
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 5
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 3
- 229910003452 thorium oxide Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000004397 blinking Effects 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- WLTSUBTXQJEURO-UHFFFAOYSA-N thorium tungsten Chemical compound [W].[Th] WLTSUBTXQJEURO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14044978A JPS5568047A (en) | 1978-11-16 | 1978-11-16 | Cathode structure for electron tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14044978A JPS5568047A (en) | 1978-11-16 | 1978-11-16 | Cathode structure for electron tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5568047A JPS5568047A (en) | 1980-05-22 |
| JPS6112615B2 true JPS6112615B2 (enrdf_load_stackoverflow) | 1986-04-09 |
Family
ID=15268875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14044978A Granted JPS5568047A (en) | 1978-11-16 | 1978-11-16 | Cathode structure for electron tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5568047A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586043A (en) * | 1978-12-22 | 1980-06-28 | Toshiba Corp | Cathode frame structure for electron tube |
-
1978
- 1978-11-16 JP JP14044978A patent/JPS5568047A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5568047A (en) | 1980-05-22 |
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