JPS5257772A - Field radiation type electronic gun - Google Patents
Field radiation type electronic gunInfo
- Publication number
- JPS5257772A JPS5257772A JP13289175A JP13289175A JPS5257772A JP S5257772 A JPS5257772 A JP S5257772A JP 13289175 A JP13289175 A JP 13289175A JP 13289175 A JP13289175 A JP 13289175A JP S5257772 A JPS5257772 A JP S5257772A
- Authority
- JP
- Japan
- Prior art keywords
- field radiation
- electronic gun
- type electronic
- radiation type
- heating
- 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
- Electron Sources, Ion Sources (AREA)
Abstract
PURPOSE: Both heating and gas exhaustion can be sufficiently secured from outside vacuum for the whole electronic gun room at exhaustion process. And an easy heating for anode in particular becomes possible. In this way, a stabilized electric field radiation current can be obtained through simple operation and with a compact equipment.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13289175A JPS5257772A (en) | 1975-11-07 | 1975-11-07 | Field radiation type electronic gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13289175A JPS5257772A (en) | 1975-11-07 | 1975-11-07 | Field radiation type electronic gun |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5257772A true JPS5257772A (en) | 1977-05-12 |
Family
ID=15091958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13289175A Pending JPS5257772A (en) | 1975-11-07 | 1975-11-07 | Field radiation type electronic gun |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5257772A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013225521A (en) * | 2013-06-17 | 2013-10-31 | Hitachi High-Technologies Corp | Electron gun |
-
1975
- 1975-11-07 JP JP13289175A patent/JPS5257772A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013225521A (en) * | 2013-06-17 | 2013-10-31 | Hitachi High-Technologies Corp | Electron gun |
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