JPS58117049U - electron gun - Google Patents
electron gunInfo
- Publication number
- JPS58117049U JPS58117049U JP1434182U JP1434182U JPS58117049U JP S58117049 U JPS58117049 U JP S58117049U JP 1434182 U JP1434182 U JP 1434182U JP 1434182 U JP1434182 U JP 1434182U JP S58117049 U JPS58117049 U JP S58117049U
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- wehnelt electrode
- electron gun
- electron beam
- mounting bracket
- 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図は本考案の一実施例を示す断面図、第２図は本考
案を説明するためのベクトル図である。
１：碍子、２：取付金具、３ ａ、 ３ ｂＨステム
、４：フィラメント保持板、−５：突出部、６：基体、
７：中間部材、８：ウェーネルト電極、９：フィラメン
ト、１０：電子線通過孔、１１：陽極。FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a vector diagram for explaining the present invention. 1: insulator, 2: mounting bracket, 3 a, 3 bH stem, 4: filament holding plate, -5: protrusion, 6: base,
7: intermediate member, 8: Wehnelt electrode, 9: filament, 10: electron beam passage hole, 11: anode.
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、該ウェーネルト電極活前記陰極を取りつける
ための取付金具と、前記陰極からの電子線を加速するた
めの陽極とからなる装置において、前記ウェーネルト電
極をつ円−ネルト電極の材質とは異なる熱膨張率を有す
る材質からなる部材を介して前記取付金具に取り付けた
ことを特徴とする電子銃。 ・A cathode that emits electrons, a Wehnelt electrode that is arranged to face the cathode and controls the electron beam taken out from the cathode, a mounting bracket for attaching the cathode to which the Wehnelt electrode is active, and a Wehnelt electrode that controls the electron beam from the cathode. and an anode for acceleration, wherein the Wehnelt electrode is attached to the mounting bracket via a member made of a material having a coefficient of thermal expansion different from that of the material of the Wehnelt electrode. .・
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1434182U JPS58117049U (en) | 1982-02-04 | 1982-02-04 | electron gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1434182U JPS58117049U (en) | 1982-02-04 | 1982-02-04 | electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58117049U true JPS58117049U (en) | 1983-08-10 |
Family
ID=30026811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1434182U Pending JPS58117049U (en) | 1982-02-04 | 1982-02-04 | electron gun |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58117049U (en) |
-
1982
- 1982-02-04 JP JP1434182U patent/JPS58117049U/en active Pending
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