JPS5222469A - Field radiation type electron gun - Google Patents
Field radiation type electron gunInfo
- Publication number
- JPS5222469A JPS5222469A JP9765675A JP9765675A JPS5222469A JP S5222469 A JPS5222469 A JP S5222469A JP 9765675 A JP9765675 A JP 9765675A JP 9765675 A JP9765675 A JP 9765675A JP S5222469 A JPS5222469 A JP S5222469A
- Authority
- JP
- Japan
- Prior art keywords
- electron gun
- type electron
- field radiation
- radiation type
- 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.)
- Pending
Links
Landscapes
- Electron Sources, Ion Sources (AREA)
- Cold Cathode And The Manufacture (AREA)
Abstract
PURPOSE: To prevent evaporated substances from adhering to the cathode by surrounding the cathode with a conductive shield.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9765675A JPS5222469A (en) | 1975-08-13 | 1975-08-13 | Field radiation type electron gun |
US05/614,311 US4041316A (en) | 1974-09-20 | 1975-09-17 | Field emission electron gun with an evaporation source |
GB38567/75A GB1518705A (en) | 1974-09-20 | 1975-09-19 | Field emission electron guns |
DE2541899A DE2541899C3 (en) | 1974-09-20 | 1975-09-19 | Field emission electron source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9765675A JPS5222469A (en) | 1975-08-13 | 1975-08-13 | Field radiation type electron gun |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5222469A true JPS5222469A (en) | 1977-02-19 |
Family
ID=14198110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9765675A Pending JPS5222469A (en) | 1974-09-20 | 1975-08-13 | Field radiation type electron gun |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5222469A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5483674U (en) * | 1977-11-25 | 1979-06-13 |
-
1975
- 1975-08-13 JP JP9765675A patent/JPS5222469A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5483674U (en) * | 1977-11-25 | 1979-06-13 |
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