BE484409A - - Google Patents
Info
- Publication number
- BE484409A BE484409A BE484409DA BE484409A BE 484409 A BE484409 A BE 484409A BE 484409D A BE484409D A BE 484409DA BE 484409 A BE484409 A BE 484409A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- cathode
- pressure
- heating
- gas
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 37
- 230000015572 biosynthetic process Effects 0.000 description 22
- 150000001875 compounds Chemical class 0.000 description 22
- 238000000354 decomposition reaction Methods 0.000 description 17
- 239000000126 substance Substances 0.000 description 12
- 238000005086 pumping Methods 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000013543 active substance Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
- H01J9/045—Activation of assembled cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE484409A true BE484409A (https=) |
Family
ID=130575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE484409D BE484409A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE484409A (https=) |
-
0
- BE BE484409D patent/BE484409A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE898336A (fr) | Lampe a decharge. | |
| BE484409A (https=) | ||
| EP0964741A1 (fr) | Agencement et procede pour ameliorer le vide dans un systeme a vide tres pousse | |
| US3132278A (en) | Iodine cycle incandescent lamps | |
| CN1185683C (zh) | 荧光灯及其制造方法 | |
| US4303290A (en) | Method of evacuating a fluorescent lamp bulb | |
| JP4521382B2 (ja) | 内燃機関用排気管およびそれを備えた内燃機関ならびに輸送機器 | |
| CH119065A (fr) | Procédé pour introduire une matière vaporisable dans une enveloppe. | |
| JPS6050019B2 (ja) | 低圧放電ランプの製造方法 | |
| BE416710A (https=) | ||
| US2067134A (en) | Incandescent lamp | |
| SU1697141A1 (ru) | Газоразр дна безэлектродна высокочастотна лампа и способ ее изготовлени | |
| JPS59196534A (ja) | 螢光ランプの製造方法 | |
| CA1131292A (en) | Method of evacuating a fluorescent lamp bulb | |
| JP2012025615A (ja) | フッ化金属単結晶体用原料のリサイクル方法 | |
| WO2023088602A1 (fr) | Fil électrode | |
| FR2970191A1 (fr) | Procede de fabrication d'un fil fourre comportant un garnissage en un materiau destine a etre introduit dans un metal liquide et une enveloppe externe constituee d'un feuillard metallique, et fil ainsi fabrique | |
| CH343538A (fr) | Procédé de formation d'une électrode | |
| JPS6220656B2 (https=) | ||
| BE371802A (https=) | ||
| FR2790410A1 (fr) | Procede de fabrication d'ebauches de brides et bride obtenue par ce procede | |
| JP2012116727A (ja) | フッ化カルシウム単結晶体育成用原料の精製方法 | |
| BE412690A (https=) | ||
| BE388670A (https=) | ||
| JPH0753137B2 (ja) | 金属製真空二重構造体の製造方法 |