JPH0339245U - - Google Patents
Info
- Publication number
- JPH0339245U JPH0339245U JP10067189U JP10067189U JPH0339245U JP H0339245 U JPH0339245 U JP H0339245U JP 10067189 U JP10067189 U JP 10067189U JP 10067189 U JP10067189 U JP 10067189U JP H0339245 U JPH0339245 U JP H0339245U
- Authority
- JP
- Japan
- Prior art keywords
- block
- filament
- trapezoidal
- electron beam
- linear
- 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
- 238000010894 electron beam technology Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
Landscapes
- Electron Sources, Ion Sources (AREA)
Description
第１図は本考案の一実施例の線源線状電子ビー
ム装置用ブロツクフイラメントの構成図、第２図
ａ，ｂは本考案に用いるブロツクカソードの側面
図、第３図は、従来の線源線状電子ビーム装置用
の線状リボンフイラメントの斜視図、第４図は、
従来のブロツクフイラメントの斜視図、第５図ａ
，ｂは、従来のブロツクフイラメントの使用状態
を示す断面図と底面図、第６図は、従来のブロツ
クフイラメントから照射される電子ビームのプロ
フアイルを示した図である。
１，１１……ブロツクカソード、２，１２……
カーボン板、３，１３……通電体、４，１４……
電子放出面、７……線状リボンフイラメント、８
……フイラメント電流方向、９……磁力線、１０
……電子出射面、１５……矩形孔、１６……バイ
アス電極。
FIG. 1 is a block diagram of a block filament for a linear electron beam device according to an embodiment of the present invention, FIGS. 2a and b are side views of a block cathode used in the present invention, and FIG. A perspective view of a linear ribbon filament for a source linear electron beam device, FIG.
Perspective view of conventional block filament, Figure 5a
, b are a sectional view and a bottom view showing how a conventional block filament is used, and FIG. 6 is a diagram showing the profile of an electron beam irradiated from the conventional block filament. 1, 11...Block cathode, 2, 12...
Carbon plate, 3, 13... Current carrying body, 4, 14...
Electron emission surface, 7... Linear ribbon filament, 8
... Filament current direction, 9 ... Lines of magnetic force, 10
. . . Electron emission surface, 15 . . . Rectangular hole, 16 . . . Bias electrode.
Claims (1)
部を台形とし、この台形の長辺側を電子放出面と
したことを特徴とする線源線状電子ビーム装置用
ブロツクフイラメント。 1. A block filament for a linear electron beam device, characterized in that the side surface of the block cathode is trapezoidal or partially trapezoidal, and the long side of the trapezoid serves as an electron emitting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10067189U JPH0339245U (en) | 1989-08-28 | 1989-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10067189U JPH0339245U (en) | 1989-08-28 | 1989-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339245U true JPH0339245U (en) | 1991-04-16 |
Family
ID=31649664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10067189U Pending JPH0339245U (en) | 1989-08-28 | 1989-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339245U (en) |
-
1989
- 1989-08-28 JP JP10067189U patent/JPH0339245U/ja active Pending
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