GB148314A - Improvements in and relating to the manufacture and operation of vacuum tubes - Google Patents
Improvements in and relating to the manufacture and operation of vacuum tubesInfo
- Publication number
- GB148314A GB148314A GB20228/20A GB2022820A GB148314A GB 148314 A GB148314 A GB 148314A GB 20228/20 A GB20228/20 A GB 20228/20A GB 2022820 A GB2022820 A GB 2022820A GB 148314 A GB148314 A GB 148314A
- Authority
- GB
- United Kingdom
- Prior art keywords
- exhaustion
- filament
- anode
- relating
- manufacture
- 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
- 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
- H01J9/385—Exhausting vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
148,314. Huth Ges., Dr. E. F. March 30, 1918, [Convention date]. High vacua in lamp bulbs, obtaining and maintaining.-During exhaustion of a vacuum tube, small quantities of gas or vapour, such as ether or other volatile hydrocarbon, are admitted to the tube, the filament being heated, as the exhaustion proceeds. It is stated that by this means the current between the filament and the anode is largely increased both before and after the exhaustion has been completed, thereby facilitating electron bombardment of the anode, and providing a larger current during normal working.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE518783X | 1918-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB148314A true GB148314A (en) | 1921-11-09 |
Family
ID=6550211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20228/20A Expired GB148314A (en) | 1918-03-30 | 1920-07-09 | Improvements in and relating to the manufacture and operation of vacuum tubes |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR518783A (en) |
| GB (1) | GB148314A (en) |
-
1920
- 1920-07-02 FR FR518783D patent/FR518783A/en not_active Expired
- 1920-07-09 GB GB20228/20A patent/GB148314A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR518783A (en) | 1921-05-31 |
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