DE2534468B2 - Verfahren zum herstellen eines gitters fuer elektronenroehren - Google Patents
Verfahren zum herstellen eines gitters fuer elektronenroehrenInfo
- Publication number
- DE2534468B2 DE2534468B2 DE19752534468 DE2534468A DE2534468B2 DE 2534468 B2 DE2534468 B2 DE 2534468B2 DE 19752534468 DE19752534468 DE 19752534468 DE 2534468 A DE2534468 A DE 2534468A DE 2534468 B2 DE2534468 B2 DE 2534468B2
- Authority
- DE
- Germany
- Prior art keywords
- grid
- pyrolytic graphite
- core
- graphite
- pyrolytic
- 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.)
- Withdrawn
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 33
- 229910002804 graphite Inorganic materials 0.000 claims description 27
- 239000010439 graphite Substances 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/0022—Manufacture
Landscapes
- Carbon And Carbon Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3430774A GB1444519A (en) | 1974-08-03 | 1974-08-03 | Grid electrodes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2534468A1 DE2534468A1 (de) | 1976-06-16 |
| DE2534468B2 true DE2534468B2 (de) | 1977-08-11 |
Family
ID=10364007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752534468 Withdrawn DE2534468B2 (de) | 1974-08-03 | 1975-08-01 | Verfahren zum herstellen eines gitters fuer elektronenroehren |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3970768A (enExample) |
| DE (1) | DE2534468B2 (enExample) |
| FR (1) | FR2280967A1 (enExample) |
| GB (1) | GB1444519A (enExample) |
| IT (1) | IT1041463B (enExample) |
| NL (1) | NL7509126A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1586959A (en) * | 1976-08-11 | 1981-03-25 | Dunlop Ltd | Method and apparatus for the production of carbon/carbon composite material |
| GB1592063A (en) * | 1978-05-08 | 1981-07-01 | Chloride Silent Power Ltd | Sodium sulphur cells |
| FR2439474A1 (fr) * | 1978-10-20 | 1980-05-16 | Thomson Csf | Procede de preparation de grilles en graphite pyrolytique de tube electronique, grille preparee suivant ce procede, et tube electronique comportant une telle grille |
| JPH0815074B2 (ja) * | 1986-11-11 | 1996-02-14 | シャープ株式会社 | 炭素体電極の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2764510A (en) * | 1953-01-12 | 1956-09-25 | Int Resistance Co | Carbon deposited resistor and method of making the same |
| US3187502A (en) * | 1961-01-23 | 1965-06-08 | Gen Electric | Rocket nozzle |
| US3107180A (en) * | 1961-01-26 | 1963-10-15 | Gen Electric | Process for deposition of pyrolytic graphite |
| US3138434A (en) * | 1961-04-26 | 1964-06-23 | Gen Electric | Deposition method of forming a pyrolytic graphite article |
| US3379555A (en) * | 1964-05-01 | 1968-04-23 | Air Force Usa | Vapor deposition of pyrolytic graphite on tungsten |
| US3399969A (en) * | 1966-02-10 | 1968-09-03 | Gulf General Atomic Inc | Deposition of massive pyrolytic carbon |
-
1974
- 1974-08-03 GB GB3430774A patent/GB1444519A/en not_active Expired
-
1975
- 1975-07-30 US US05/600,499 patent/US3970768A/en not_active Expired - Lifetime
- 1975-07-31 NL NL7509126A patent/NL7509126A/xx not_active Application Discontinuation
- 1975-07-31 FR FR7523888A patent/FR2280967A1/fr active Granted
- 1975-08-01 DE DE19752534468 patent/DE2534468B2/de not_active Withdrawn
- 1975-08-01 IT IT69019/75A patent/IT1041463B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2280967B1 (enExample) | 1977-12-16 |
| GB1444519A (en) | 1976-08-04 |
| IT1041463B (it) | 1980-01-10 |
| NL7509126A (nl) | 1976-02-05 |
| US3970768A (en) | 1976-07-20 |
| FR2280967A1 (fr) | 1976-02-27 |
| DE2534468A1 (de) | 1976-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BHN | Withdrawal |