JPS5790839A - Electron gun - Google Patents
Electron gunInfo
- Publication number
- JPS5790839A JPS5790839A JP16747380A JP16747380A JPS5790839A JP S5790839 A JPS5790839 A JP S5790839A JP 16747380 A JP16747380 A JP 16747380A JP 16747380 A JP16747380 A JP 16747380A JP S5790839 A JPS5790839 A JP S5790839A
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- tip end
- electron gun
- electron
- emittance
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/06—Electron sources; Electron guns
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electron Sources, Ion Sources (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16747380A JPS5790839A (en) | 1980-11-28 | 1980-11-28 | Electron gun |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16747380A JPS5790839A (en) | 1980-11-28 | 1980-11-28 | Electron gun |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5790839A true JPS5790839A (en) | 1982-06-05 |
Family
ID=15850324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16747380A Pending JPS5790839A (en) | 1980-11-28 | 1980-11-28 | Electron gun |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5790839A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6147038A (ja) * | 1984-07-02 | 1986-03-07 | ジエイソン ジヨン キム | 熱電子陰極とその製造方法 |
JPS61121948A (ja) * | 1984-11-19 | 1986-06-09 | Canon Inc | インクジエツトプリンタ |
-
1980
- 1980-11-28 JP JP16747380A patent/JPS5790839A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6147038A (ja) * | 1984-07-02 | 1986-03-07 | ジエイソン ジヨン キム | 熱電子陰極とその製造方法 |
JPS61121948A (ja) * | 1984-11-19 | 1986-06-09 | Canon Inc | インクジエツトプリンタ |
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