GB700055A - Improvements in or relating to electric discharge tubes - Google Patents
Improvements in or relating to electric discharge tubesInfo
- Publication number
- GB700055A GB700055A GB3011/52A GB301152A GB700055A GB 700055 A GB700055 A GB 700055A GB 3011/52 A GB3011/52 A GB 3011/52A GB 301152 A GB301152 A GB 301152A GB 700055 A GB700055 A GB 700055A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- closed
- zirconium
- plate
- relating
- 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
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
-
- 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
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/32—Anodes
- H01J19/34—Anodes forming part of the envelope
-
- 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
- H01J2893/0002—Construction arrangements of electrode systems
- H01J2893/0003—Anodes forming part of vessel walls
Landscapes
- Discharge Lamp (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
700,055. Discharge apparatus. PHILIPS ELECTRICAL INDUSTRIES, Ltd. Feb. 5, 1952 [Feb. 8, 1951], No. 3011/52. Class 39(1) In a discharge tube having an anode forming part of the envelope and closed at one end, a zirconium getter is arranged in satisfactory thermal contact on the closed end of the anode and the grid is also closed at the end opposite the getter. In manufacturing the transmitting triode shown in the Figure the zirconium plate 5 is degassed in a separate bulb at 1600‹ and after it has been saturated with hydrogen it is secured to the anode by a nut. Together with the anode the plate is heated in vacuo at temperature of 600‹-700‹C, the hydrogen then being driven out and the zirconium plate being activated.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298666X | 1951-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB700055A true GB700055A (en) | 1953-11-25 |
Family
ID=19783118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3011/52A Expired GB700055A (en) | 1951-02-08 | 1952-02-05 | Improvements in or relating to electric discharge tubes |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH298666A (en) |
| DE (1) | DE1697563U (en) |
| FR (1) | FR1050569A (en) |
| GB (1) | GB700055A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1094376B (en) * | 1957-05-31 | 1960-12-08 | Gen Electric | Process for creating a vacuum inside a sealable cover, e.g. a cover of an electric discharge tube |
-
1952
- 1952-02-05 GB GB3011/52A patent/GB700055A/en not_active Expired
- 1952-02-05 DE DEN1781U patent/DE1697563U/en not_active Expired
- 1952-02-06 FR FR1050569D patent/FR1050569A/en not_active Expired
- 1952-02-06 CH CH298666D patent/CH298666A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH298666A (en) | 1954-05-15 |
| FR1050569A (en) | 1954-01-08 |
| DE1697563U (en) | 1955-04-28 |
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