GB738270A - Improvements in or relating to cathode ray tubes having ion trapping arrangements - Google Patents
Improvements in or relating to cathode ray tubes having ion trapping arrangementsInfo
- Publication number
- GB738270A GB738270A GB10637/52A GB1063752A GB738270A GB 738270 A GB738270 A GB 738270A GB 10637/52 A GB10637/52 A GB 10637/52A GB 1063752 A GB1063752 A GB 1063752A GB 738270 A GB738270 A GB 738270A
- Authority
- GB
- United Kingdom
- Prior art keywords
- getter
- ion trapping
- diaphragm
- ray tubes
- cathode
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
738,270. Ion trapping in cathode-ray tubes. TELEFUNKEN GES. [formerly TELEFUNKKEN GES FUR DRAHTLOSE TELEGRAPHIE]. April 28, 1952 [April 28, 1951], No. 10637/52. Class 39 (1). In a cathode-ray ion trapping arrangement in which negative ions are made to follow a different path from the electrons by means of a magnetic deflecting field, the ions are absorbed by causing them to strike a getter surface. The getter surface, which may be of barium, magnesium or aluminium or mixtures thereof is coated on metal target 9 by vaporizing getter 10. Diaphragm 5 may also be coated with getter material in the vicinity of aperture 8. Alternatively target 9 may be dispensed with and diaphragm 5 serves as the sole getter surface. To coat diaphragm 5 a getter is arranged facing an aperture of, or inside, anode 7 and is vaporized by eddy current heating. The gun axis may be inclined to the tube axis, as shown, or may be coaxial therewith if the anode and a control electrode have one or both of their adjacent ends extending obliquely to the tube axis.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE738270X | 1951-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB738270A true GB738270A (en) | 1955-10-12 |
Family
ID=6642767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10637/52A Expired GB738270A (en) | 1951-04-28 | 1952-04-28 | Improvements in or relating to cathode ray tubes having ion trapping arrangements |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB738270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064644B (en) * | 1957-04-26 | 1959-09-03 | Werk Fuer Fernmeldewesen Veb | Cathode ray tube with ion trap system |
-
1952
- 1952-04-28 GB GB10637/52A patent/GB738270A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064644B (en) * | 1957-04-26 | 1959-09-03 | Werk Fuer Fernmeldewesen Veb | Cathode ray tube with ion trap system |
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