JPS60131949U - electron gun - Google Patents
electron gunInfo
- Publication number
- JPS60131949U JPS60131949U JP1905884U JP1905884U JPS60131949U JP S60131949 U JPS60131949 U JP S60131949U JP 1905884 U JP1905884 U JP 1905884U JP 1905884 U JP1905884 U JP 1905884U JP S60131949 U JPS60131949 U JP S60131949U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- electron gun
- wehnelt electrode
- electron
- members
- 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.)
- Granted
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図は従来装置の要部を示す概略図、第２図は本考案
の一実施例を示す要部の概略図、第３図及び第４図は本
考案の他の実施例を示す要部の概略図である。
１：フィラメント電極、２：ウェーネルト電極、３：支
持部材、４：リング状ナツト、６：フィラメント支持板
、７：支持金具、８：放射熱遮蔽板、９：金具。Fig. 1 is a schematic diagram showing the main parts of a conventional device, Fig. 2 is a schematic diagram of main parts showing one embodiment of the present invention, and Figs. 3 and 4 are main parts showing other embodiments of the present invention. FIG. 1: filament electrode, 2: Wehnelt electrode, 3: support member, 4: ring-shaped nut, 6: filament support plate, 7: support metal fitting, 8: radiant heat shielding plate, 9: metal fitting.
Claims (1)
前記陰極から取り出される電子線を制御するウェーネル
ト電極とからなる電子銃において、該ウェーネルト電極
を熱伝導率の異なる複数の部材で形成すると共に前記陰
極から放射される熱を遮蔽する放射熱遮蔽手段を備えた
ことを特徴とする電子銃。An electron gun consisting of a cathode that emits electrons and a Wehnelt electrode that is arranged to face the cathode and controls the electron beam taken out from the cathode, in which the Wehnelt electrode is formed of a plurality of members having different thermal conductivities, and An electron gun characterized by comprising radiation heat shielding means for shielding heat radiated from the cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905884U JPS60131949U (en) | 1984-02-13 | 1984-02-13 | electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1905884U JPS60131949U (en) | 1984-02-13 | 1984-02-13 | electron gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60131949U true JPS60131949U (en) | 1985-09-03 |
| JPH0211713Y2 JPH0211713Y2 (en) | 1990-03-28 |
Family
ID=30508275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1905884U Granted JPS60131949U (en) | 1984-02-13 | 1984-02-13 | electron gun |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60131949U (en) |
-
1984
- 1984-02-13 JP JP1905884U patent/JPS60131949U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0211713Y2 (en) | 1990-03-28 |
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