JPS6033749U - field emission electron gun - Google Patents
field emission electron gunInfo
- Publication number
- JPS6033749U JPS6033749U JP10715284U JP10715284U JPS6033749U JP S6033749 U JPS6033749 U JP S6033749U JP 10715284 U JP10715284 U JP 10715284U JP 10715284 U JP10715284 U JP 10715284U JP S6033749 U JPS6033749 U JP S6033749U
- Authority
- JP
- Japan
- Prior art keywords
- anode
- electron gun
- field emission
- cathode
- emission electron
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の２段加速方式の例を示す図、第２図は
、本考案の一実施例を示す図である。
１１・・・・・・陰極、１２・・・・・・第１陽極、１
３・・・・・・第１陽極のＲ部、１４・・・・・・第２
陽極、１５・・・・・・放熱保護電極、１６・・・・・
・真空ポンプ、１７・・・・・・直流電源、１８・・・
・・・電子銃室。FIG. 1 is a diagram showing an example of a conventional two-stage acceleration system, and FIG. 2 is a diagram showing an embodiment of the present invention. 11...Cathode, 12...First anode, 1
3... R part of the first anode, 14... Second
Anode, 15... Heat dissipation protection electrode, 16...
・Vacuum pump, 17...DC power supply, 18...
...Electron gun room.
Claims (1)
極から放射電子を取り出すための第１陽極と、一段加速
用の第２陽極と、該第１陽極と該第２陽極の間に在って
該第１陽極の隔部分を囲むように形成された放電保護電
極とを真空室内に設けてなることを特徴とする電界放射
型電子銃。a cathode, a first anode having a cylindrical shape with a bottom around the cathode, for extracting radiated electrons from the cathode, a second anode for one-stage acceleration, and between the first anode and the second anode; 1. A field emission type electron gun, characterized in that a discharge protection electrode is provided in a vacuum chamber, and a discharge protection electrode is formed so as to surround a partitioned portion of the first anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10715284U JPS6033749U (en) | 1984-07-17 | 1984-07-17 | field emission electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10715284U JPS6033749U (en) | 1984-07-17 | 1984-07-17 | field emission electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6033749U true JPS6033749U (en) | 1985-03-07 |
Family
ID=30250469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10715284U Pending JPS6033749U (en) | 1984-07-17 | 1984-07-17 | field emission electron gun |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6033749U (en) |
-
1984
- 1984-07-17 JP JP10715284U patent/JPS6033749U/en active Pending
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