DE1589333C3 - Process for the manufacture of a vacuum incandescent lamp - Google Patents
Process for the manufacture of a vacuum incandescent lampInfo
- Publication number
- DE1589333C3 DE1589333C3 DE19671589333 DE1589333A DE1589333C3 DE 1589333 C3 DE1589333 C3 DE 1589333C3 DE 19671589333 DE19671589333 DE 19671589333 DE 1589333 A DE1589333 A DE 1589333A DE 1589333 C3 DE1589333 C3 DE 1589333C3
- Authority
- DE
- Germany
- Prior art keywords
- getter
- incandescent lamp
- manufacture
- lamp
- vacuum
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims 2
- 239000000463 material Substances 0.000 claims description 7
- 229910052740 iodine Inorganic materials 0.000 claims description 5
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 5
- 239000011630 iodine Substances 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 238000000137 annealing Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
Description
Es ist ein Verfahren zum Herstellen einer Vakuum-Glühlampe bekannt, bei dem nach dem Abpumpen des Lampenkolbens Gettermaterial in die Mitte des Absaugröhrchens eingebracht wird, die Lampe zum Glühen gebracht wird und das Gettermaterial dadurch verdampft wird, daß die Stelle des Absaugröhrchens, an der sich das Gettermaterial befindet, mittels einer Gasflamme erhitzt wird, so daß der Getter verdampft (DTPS 82 076).There is a method for producing a vacuum incandescent lamp is known in which after pumping the Lamp bulb getter material is introduced into the center of the suction tube, the lamp for Annealing is brought and the getter material is evaporated by the fact that the site of the suction tube on which is the getter material is heated by means of a gas flame, so that the getter evaporates (DTPS 82 076).
Dieses bekannte Verfahren ist verhältnismäßig arbeitsaufwendig.This known method is relatively laborious.
Es ist deshalb bereits ein weiteres Verfahren zur Herstellung einer Vakuum-Glühlampe bekanntgeworden, bei dem die Glühwendel mit einem Phosphor und ein Halogen enthaltenden Getter beschichtet und in dem entlüfteten Lampenkolben zum Glühen gebracht wird, wobei die Gettermaterialien verdampft werden. Bei diesem bekannten Verfahren muß die Lampe kurzzeitig mit einer wesentlich höheren als der Nennspannung betrieben werden, um die richtige Getterwirkung zu erreichen sowie um die Struktur der Glühwendel zu rekristallisieren. Wird versehentlich dieAnother method for producing a vacuum incandescent lamp has therefore already become known, in which the incandescent filament is coated with a getter containing phosphorus and a halogen and in the vented lamp bulb is made to glow, the getter materials being evaporated. In this known method, the lamp must briefly with a much higher than that Nominal voltage can be operated in order to achieve the correct getter effect as well as the structure of the To recrystallize incandescent filament. Accidentally gets the
ίο Betriebsspannung für diesen Zweck zu hoch, kann die Wendel verspröden.ίο Operating voltage too high for this purpose, the The filament becomes brittle.
Der Erfindung liegt deshalb die Aufgabe zugrunde, dieses bekannte Verfahren so zu verbessern, daß das Glühen mit Nennspannung erfolgen kann.The invention is therefore based on the object to improve this known method so that the Annealing can be done with nominal voltage.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß das Gettermaterial etwa 0,1% bis 3% Jod enthält. Überraschenderweise wird dadurch auch bei dem Glühen mit Nennspannung eine zufriedenstellende Getterwirkung und Rekristallisierung der Glühwendel erreicht.According to the invention, this object is achieved in that the getter material contains about 0.1% to 3% iodine. Surprisingly, this becomes a satisfactory one even with the rated voltage annealing Getter effect and recrystallization of the filament achieved.
In der Praxis hat sich besonders ein Zusatz von 0,5% Jod zu der üblichen Phosphor-Getter-Lösung bewährt. Ohne Verwendung von Jod müßte beispielsweise eine Anzeigelampe für 120 V Nennspannung mit einer Spannung von 180 V zum Glühen gebracht werden, wenn der Getter-Lösung jedoch Jod hinzugefügt ist, kann das Glühen mit etwa 120 V erfolgen.In practice, an addition of 0.5% has proven particularly useful Proven iodine to the usual phosphorus getter solution. Without the use of iodine, for example, one would have to Indicator lamp for 120 V nominal voltage can be made to glow with a voltage of 180 V, however, if iodine is added to the getter solution, the annealing can be done at about 120 volts.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57642366 | 1966-08-31 | ||
| DES0111335 | 1967-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1589333C3 true DE1589333C3 (en) | 1978-02-02 |
Family
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