JPS5566820A - Heater type cathode - Google Patents
Heater type cathodeInfo
- Publication number
- JPS5566820A JPS5566820A JP14065278A JP14065278A JPS5566820A JP S5566820 A JPS5566820 A JP S5566820A JP 14065278 A JP14065278 A JP 14065278A JP 14065278 A JP14065278 A JP 14065278A JP S5566820 A JPS5566820 A JP S5566820A
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- type cathode
- heaters
- heater type
- heater
- 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
Landscapes
- Solid Thermionic Cathode (AREA)
Abstract
PURPOSE: To prevent a number of heaters from being disconnected and being deformed by mounting them on a heater type cathode.
CONSTITUTION: Both the inside cathode tube 11 and the inside cathode tube are fixed to the impregnation type cathode 10 by waxing. The first and second alumina coated tungsten heaters 13 and 14 are mounted on them and are connected to the heating power supply 16 through the changeover switch 15. They 13 and 14 are designed to heat the impregnation type cathode 10 up to the preset temperature, respectively. This sharply lowers heater temperature by turning on a number of heaters 13 and 14 while the cathode is being activated.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14065278A JPS5566820A (en) | 1978-11-15 | 1978-11-15 | Heater type cathode |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14065278A JPS5566820A (en) | 1978-11-15 | 1978-11-15 | Heater type cathode |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5566820A true JPS5566820A (en) | 1980-05-20 |
Family
ID=15273622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14065278A Pending JPS5566820A (en) | 1978-11-15 | 1978-11-15 | Heater type cathode |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5566820A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4211922Y1 (en) * | 1966-01-11 | 1967-07-05 |
-
1978
- 1978-11-15 JP JP14065278A patent/JPS5566820A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4211922Y1 (en) * | 1966-01-11 | 1967-07-05 |
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