JPH0218252U - - Google Patents
Info
- Publication number
- JPH0218252U JPH0218252U JP9627988U JP9627988U JPH0218252U JP H0218252 U JPH0218252 U JP H0218252U JP 9627988 U JP9627988 U JP 9627988U JP 9627988 U JP9627988 U JP 9627988U JP H0218252 U JPH0218252 U JP H0218252U
- Authority
- JP
- Japan
- Prior art keywords
- electron beam
- section
- magnetic field
- contributing
- captures
- 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
- 230000000737 periodic effect Effects 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims 6
- 230000003321 amplification Effects 0.000 claims 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 claims 2
- 230000003993 interaction Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図ａは、本考案の第１の実施例の周期磁界
型進行波管の一部分の断面図、第１図ｂは第１図
ａのＡ―Ａ断面図、第２図は本考案の第２の実施
例による周期磁界型進行波管の一部分の断面図、
第３図ａは従来の周期磁界型進行波管の一部分の
断面図、第３図ｂは第３図ａのＢ―Ｂ断面図及び
動作電圧の印加状態を示す図である。
１……カソード、２……ヒータ、３……ウエネ
ルト、４……アノード、５……金属外囲器、６…
…周期磁界装置、７……ガラスバルブ、８……ケ
ース基板、９……管球支持体、１０……遅波回路
構体、１１，１８……磁気シールド、１２……ゲ
ツタ膜、１３……接着剤、１４……金属線、１５
……ねじ、１７……シールド支持体。
FIG. 1a is a cross-sectional view of a part of a periodic magnetic field type traveling wave tube according to the first embodiment of the present invention, FIG. 1b is a cross-sectional view taken along the line AA in FIG. 1a, and FIG. A cross-sectional view of a portion of a periodic magnetic field type traveling wave tube according to a second embodiment,
FIG. 3a is a sectional view of a part of a conventional periodic magnetic field type traveling wave tube, and FIG. 3b is a sectional view taken along the line BB in FIG. 3a and a diagram showing the application state of the operating voltage. 1... Cathode, 2... Heater, 3... Wehnelt, 4... Anode, 5... Metal envelope, 6...
... Periodic magnetic field device, 7 ... Glass bulb, 8 ... Case substrate, 9 ... Tube support, 10 ... Slow wave circuit structure, 11, 18 ... Magnetic shield, 12 ... Getter film, 13 ... Adhesive, 14...Metal wire, 15
...Screw, 17...Shield support.
Claims (1)
、電子ビームと高周波との相互作用により増幅機
能を有する遅波回路部と、増幅作用寄与後の電子
ビームを捕捉するコレクタ部と、電子ビームを集
束する周期磁界装置とを有する電子ビーム管にお
いて、前記電子銃部の外周部に配設され、円筒状
磁性体で構成される陰極磁界調整用の磁気シール
ドをアース電位としたことを特徴とする電子ビー
ム管。 An electron gun section that emits electrons to form an electron beam, a slow wave circuit section that has an amplification function through interaction between the electron beam and high frequency, a collector section that captures the electron beam after contributing to the amplification effect, and a collector section that captures the electron beam after contributing to the amplification effect. An electron beam tube having a converging periodic magnetic field device, characterized in that a magnetic shield for adjusting a cathode magnetic field, which is arranged on the outer periphery of the electron gun part and is made of a cylindrical magnetic material, is set to a ground potential. electron beam tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9627988U JPH0218252U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9627988U JPH0218252U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218252U true JPH0218252U (en) | 1990-02-06 |
Family
ID=31321147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9627988U Pending JPH0218252U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218252U (en) |
-
1988
- 1988-07-19 JP JP9627988U patent/JPH0218252U/ja active Pending
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