GB842086A - Improvements in and relating to cathode ray tube screens - Google Patents
Improvements in and relating to cathode ray tube screensInfo
- Publication number
- GB842086A GB842086A GB3699655A GB3699655A GB842086A GB 842086 A GB842086 A GB 842086A GB 3699655 A GB3699655 A GB 3699655A GB 3699655 A GB3699655 A GB 3699655A GB 842086 A GB842086 A GB 842086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grid
- screen
- frames
- ray tube
- powdered glass
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
842,086. Cathode-ray tubes. CHARLOTTE, H. F. Dec. 21, 1956 [Dec. 23, 1955], No. 36996/55. Class 39(1). A cathode-ray tube screen which incorporates a row of insulated conductors passing from one of its faces through to the other face, is made by coating a grid of wires with finely powdered glass, fusing two glass members 20, 21 brought up on opposite sides of the grid edge-to-edge, and cutting the grid wires to remove the frame. The screen is then ground and polished. The screen may be annealed before or after the grinding operation, or both. The grid may be produced by winding wire round a pair of rectangular frames placed back-to-back. The wire is soldered to the edges of the frames and cut between the frames. The frames are then separated to produce two grids, each suitable for a screen. The grids are coated with finely powdered glass by spraying with a suspension of powdered glass in distilled water, and then drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3699655A GB842086A (en) | 1955-12-23 | 1955-12-23 | Improvements in and relating to cathode ray tube screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3699655A GB842086A (en) | 1955-12-23 | 1955-12-23 | Improvements in and relating to cathode ray tube screens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB842086A true GB842086A (en) | 1960-07-20 |
Family
ID=10392873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3699655A Expired GB842086A (en) | 1955-12-23 | 1955-12-23 | Improvements in and relating to cathode ray tube screens |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB842086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2591343A (en) * | 2018-05-31 | 2021-07-28 | Micromass Ltd | Bench-top time of flight mass spectrometer |
-
1955
- 1955-12-23 GB GB3699655A patent/GB842086A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2591343A (en) * | 2018-05-31 | 2021-07-28 | Micromass Ltd | Bench-top time of flight mass spectrometer |
| GB2591343B (en) * | 2018-05-31 | 2023-01-04 | Micromass Ltd | Bench-top time of flight mass spectrometer |
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