GB470234A - Improvements in carbon-coated electrodes or the like in electric discharge tubes - Google Patents
Improvements in carbon-coated electrodes or the like in electric discharge tubesInfo
- Publication number
- GB470234A GB470234A GB3724/37A GB372437A GB470234A GB 470234 A GB470234 A GB 470234A GB 3724/37 A GB3724/37 A GB 3724/37A GB 372437 A GB372437 A GB 372437A GB 470234 A GB470234 A GB 470234A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carbon
- electric discharge
- discharge tubes
- coated electrodes
- feb
- 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
-
- 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
- H01J2893/0023—Manufacture carbonising and other surface treatments
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
470,234. Discharge tubes. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Feb. 8, 1937, No. 3724. Convention date, Feb. 10, 1936. [Class 39 (i)] To increase the thermal radiation of electrodes such as anodes or other parts within an electric discharge tube, the anode or other part is coated with carbon, an additional layer being interposed between the anode material and the carbon; this layer which may be a silicate or one or more oxides of magnesium, beryllium or aluminium, adheres to the underlying metal and the carbon coating does not dissolve into it.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE470234X | 1936-02-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB470234A true GB470234A (en) | 1937-08-11 |
Family
ID=6541103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3724/37A Expired GB470234A (en) | 1936-02-10 | 1937-02-08 | Improvements in carbon-coated electrodes or the like in electric discharge tubes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB470234A (en) |
-
1937
- 1937-02-08 GB GB3724/37A patent/GB470234A/en not_active Expired
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