NL8101750A - Kathode voor elektronenbuizen. - Google Patents
Kathode voor elektronenbuizen. Download PDFInfo
- Publication number
- NL8101750A NL8101750A NL8101750A NL8101750A NL8101750A NL 8101750 A NL8101750 A NL 8101750A NL 8101750 A NL8101750 A NL 8101750A NL 8101750 A NL8101750 A NL 8101750A NL 8101750 A NL8101750 A NL 8101750A
- Authority
- NL
- Netherlands
- Prior art keywords
- cathode
- heating
- pyrolytic graphite
- hollow
- cylinders
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 description 12
- 239000004020 conductor Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 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
- H01J1/15—Cathodes heated directly by an electric current
Landscapes
- Solid Thermionic Cathode (AREA)
- Carbon And Carbon Compounds (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803014216 DE3014216A1 (de) | 1980-04-14 | 1980-04-14 | Gluehkathode fuer eine elektronenroehre |
| DE3014216 | 1980-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8101750A true NL8101750A (nl) | 1981-11-02 |
Family
ID=6099920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8101750A NL8101750A (nl) | 1980-04-14 | 1981-04-09 | Kathode voor elektronenbuizen. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS56160739A (enrdf_load_stackoverflow) |
| DE (1) | DE3014216A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2480496A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2074370B (enrdf_load_stackoverflow) |
| NL (1) | NL8101750A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8611967D0 (en) * | 1986-05-16 | 1986-10-29 | English Electric Valve Co Ltd | Directly heated cathodes |
| JP3762871B2 (ja) * | 2001-03-02 | 2006-04-05 | 双葉電子工業株式会社 | 電子管 |
| JP3655281B2 (ja) | 2002-12-19 | 2005-06-02 | 双葉電子工業株式会社 | 蛍光発光管 |
| JP2004241159A (ja) | 2003-02-03 | 2004-08-26 | Futaba Corp | 蛍光発光管 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH174449A (de) * | 1934-02-02 | 1935-01-15 | Bbc Brown Boveri & Cie | Glühkathode für Entladungsapparate. |
| GB482471A (en) * | 1936-12-10 | 1938-03-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Improvements in heating elements for thermionic cathodes |
| US3195003A (en) * | 1962-11-16 | 1965-07-13 | Westinghouse Electric Corp | Electron discharge device |
| DE1293909B (de) * | 1965-11-16 | 1969-04-30 | Philips Patentverwaltung | Gluehkathode fuer eine elektrische Entladungsroehre mit einer Waermefalle |
| DE2732960C2 (de) * | 1977-07-21 | 1982-04-01 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Glühkathode und Verfahren zu ihrer Herstellung |
-
1980
- 1980-04-14 DE DE19803014216 patent/DE3014216A1/de not_active Ceased
-
1981
- 1981-04-08 GB GB8110987A patent/GB2074370B/en not_active Expired
- 1981-04-08 FR FR8107062A patent/FR2480496A1/fr active Granted
- 1981-04-09 NL NL8101750A patent/NL8101750A/nl not_active Application Discontinuation
- 1981-04-11 JP JP5380281A patent/JPS56160739A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2480496A1 (fr) | 1981-10-16 |
| GB2074370B (en) | 1984-03-14 |
| DE3014216A1 (de) | 1981-10-15 |
| JPS56160739A (en) | 1981-12-10 |
| FR2480496B1 (enrdf_load_stackoverflow) | 1984-03-23 |
| GB2074370A (en) | 1981-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BI | The patent application has been withdrawn |