JPS5613645A - Fluorescent display tube - Google Patents
Fluorescent display tubeInfo
- Publication number
- JPS5613645A JPS5613645A JP8890779A JP8890779A JPS5613645A JP S5613645 A JPS5613645 A JP S5613645A JP 8890779 A JP8890779 A JP 8890779A JP 8890779 A JP8890779 A JP 8890779A JP S5613645 A JPS5613645 A JP S5613645A
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent display
- display tube
- positive electrode
- filament
- fabricated
- 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.)
- Pending
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000007733 ion plating Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Abstract
PURPOSE:To reduct the cost of manufacture by coating the outer wall of a fluorescent display tube with a transparent dielectric substance film for simplifying the maintenance of high vacuum. CONSTITUTION:A fluorescent display tube is fabricated of the positive electrode base plate 1, the front face cover container 2, the positive electrode wiring 3, the positive electrode 5, the filament 8, the grid electrode 9, etc. The fluorescent display tube so fabricated is evacuated through an evacuating tube, decomposed its filament, and then sealed up. Then, the outer wall of the fluorescent display tube so sealed up is covered with an SiO2 transparent film by a high-frequency-excited ion plating method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8890779A JPS5613645A (en) | 1979-07-13 | 1979-07-13 | Fluorescent display tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8890779A JPS5613645A (en) | 1979-07-13 | 1979-07-13 | Fluorescent display tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5613645A true JPS5613645A (en) | 1981-02-10 |
Family
ID=13956008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8890779A Pending JPS5613645A (en) | 1979-07-13 | 1979-07-13 | Fluorescent display tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5613645A (en) |
-
1979
- 1979-07-13 JP JP8890779A patent/JPS5613645A/en active Pending
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