DE556040C - Electric metal vapor lamp with at least one liquid electrode - Google Patents
Electric metal vapor lamp with at least one liquid electrodeInfo
- Publication number
- DE556040C DE556040C DED50642D DED0050642D DE556040C DE 556040 C DE556040 C DE 556040C DE D50642 D DED50642 D DE D50642D DE D0050642 D DED0050642 D DE D0050642D DE 556040 C DE556040 C DE 556040C
- Authority
- DE
- Germany
- Prior art keywords
- metal vapor
- vapor lamp
- liquid electrode
- electric metal
- lamps
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Description
Elektrische Metalldampflampe mit mindestens einer flüssigen Elektrode Metalldampflampen, deren Leuchtrohr aus Glas besteht, lassen bekanntlich von den von ihnen ausgesandten Strahlen nur den sichtbaren Teil des Spektrums hindurch, während der ultraviolette Anteil zum größten Teil absorbiert wird. Dagegen lassen 'lletalldampflampen, deren Leuchtrohr aus geschmolzenem Bergkristall besteht, die ultravioletten Strahlen ihres Lichtbogens mit Wellenlängen zwischen 2.1o und 44o restlos, also ungeschwächt, passieren.Electric metal vapor lamp with at least one liquid electrode Metal halide lamps, the light tube of which is made of glass, are known to be used by the rays emitted by them only pass through the visible part of the spectrum, while most of the ultraviolet part is absorbed. Let against it Lethal vapor lamps, the tube of which is made of fused rock crystal, the ultraviolet rays of their arc with wavelengths between 2.1o and 44o completely, i.e. not weakened, happen.
Therapeutische Bestrahlungen mit solchen Lampen dürfen jedoch nur von relativ kurzer Dauer sein, weil von den von der Lampe ausgehenden ultravioletten Strahlen die von kurzer Wellenlänge unter 29o ,«.u bei längerer Einwirkung zerstörend auf alle Körpergewebe, insbesondere auf das menschliche Auge, einwirken.Therapeutic irradiation with such lamps is only allowed be of relatively short duration because of the ultraviolet rays emanating from the lamp Rays of short wavelength below 29o, «u, destructive with prolonged exposure act on all body tissues, especially the human eye.
Durch die vorliegende Erfindung wird der \Tachteil der bekannten Metalldampflampen dadurch beseitigt, daß man für das Leuchtrohr einen Werkstoll verwendet, der wohl therapeutisch wirksame ultraviolette Strahlen von großer Wellenlänge hindurchiäßt, die kurzwelligen Strahlen aber absorbiert, und zwar diejenigen zwischen 2.1o bis zso uu. stärker streut als die Strahlen höherer Wellenlänge. Ein solcher Werkstoff ist, wie die vom Erfinder vorgenommenen Versuche ergeben haben, wiederholt geschmolzenes Quarz= gut, das einerseits sämtliche Eigenschaften des geschmolzenen Bergkristalls in bezug auf Temperaturwechselbeständigkeit, Widerstandsfähigkeit, Härte usw. besitzt, andererseits aber überraschenderweise für die Gewebe zerstörend wirkenden, kurzwelligen, ultravioletten Strahlen zwischen 24o bis 28o,u,u undurchlässig ist. Mit Lampen der beschriebenen Art, deren Leuchtrohr aus wiederholt geschmolzenem Quarzgut besteht, können daher Bestrahlungen von etwa der achtfachen Dauer gegenüber der bei Verwendung der bisher üblichen Bergkristallampen vorgenommen werden. Das ausgesandte Licht ist infolge des vorzüglichenZerstreuungsvermögens des wiederholt geschmolzenen Quarzguts sehr mild.The present invention eliminates the disadvantage of the known metal halide lamps eliminated by using a work tunnel for the light tube, which probably allows therapeutically effective ultraviolet rays of great wavelength to pass through, but absorbs the short-wave rays, namely those between 2.1o to zso uu. more scattered than the rays of higher wavelength. Such a material is, as the experiments carried out by the inventor have shown, repeatedly melted Quartz = good, on the one hand all the properties of the molten rock crystal with regard to thermal shock resistance, resistance, hardness, etc. on the other hand, surprisingly short-wave, ultraviolet rays between 24o to 28o, u, u is opaque. With lamps of the described type, whose light tube consists of repeatedly melted quartz material, therefore, irradiations can last about eight times longer than when using them the previously common rock crystal lamps can be made. The light sent out is due to the excellent dispersibility of the repeatedly melted fused silica very mild.
Außer dem Leuchtrohr kann nach der Erfindung auch das ganze Gehäuse einschließlich der Polgefäße aus wiederholt geschmolzenem Quarzgut bestehen.In addition to the light tube, the entire housing can also be used according to the invention including the pole vessels consist of repeatedly melted quartz material.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED50642D DE556040C (en) | 1926-06-10 | 1926-06-10 | Electric metal vapor lamp with at least one liquid electrode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED50642D DE556040C (en) | 1926-06-10 | 1926-06-10 | Electric metal vapor lamp with at least one liquid electrode |
Publications (1)
Publication Number | Publication Date |
---|---|
DE556040C true DE556040C (en) | 1932-08-05 |
Family
ID=7052806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED50642D Expired DE556040C (en) | 1926-06-10 | 1926-06-10 | Electric metal vapor lamp with at least one liquid electrode |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE556040C (en) |
-
1926
- 1926-06-10 DE DED50642D patent/DE556040C/en not_active Expired
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