JP2008522380A - マグネトロン - Google Patents
マグネトロン Download PDFInfo
- Publication number
- JP2008522380A JP2008522380A JP2007544250A JP2007544250A JP2008522380A JP 2008522380 A JP2008522380 A JP 2008522380A JP 2007544250 A JP2007544250 A JP 2007544250A JP 2007544250 A JP2007544250 A JP 2007544250A JP 2008522380 A JP2008522380 A JP 2008522380A
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- JP
- Japan
- Prior art keywords
- magnetron
- anode
- present
- anodes
- magnetron according
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/18—Resonators
- H01J23/20—Cavity resonators; Adjustment or tuning thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
- H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/18—Resonators
- H01J23/22—Connections between resonators, e.g. strapping for connecting resonators of a magnetron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
Landscapes
- Microwave Tubes (AREA)
Abstract
【解決手段】1つの円筒形の陰極部と、陰極部と所定の距離だけ離隔して陰極部を同軸上で囲んでいる、1つの陽極部と、陽極部と接続されている1つの共振器回路とを備え、複数の微細変形部を、方位角方向に周期的に陽極部に形成するようにする。
【選択図】図1
Description
「アプライド フィジクス レターズ(Applied Physics Letters)」,第83巻,第10号,p.1938,2003年 「アプライド フィジクス レターズ(AppliedPhysics Letters)」,第84巻,第6号,p.1016,2004年
Claims (8)
- 1つの円筒形の陰極部と、
前記陰極部と所定の距離だけ離隔して前記陰極部を同軸上で囲んでいる、1つの陽極部と、
前記陽極部と接続されている1つの共振器回路と、
を備え、
複数の微細変形部は、方位角方向に周期的に前記陽極部に形成されていることを特徴とするマグネトロン。 - 前記陽極部は、複数の陽極を有しており、
前記複数の微細変形部は、全ての複数の陽極に形成されており、且つ、各陽極の表面から突出した複数の突出部と各陽極の表面から凹んだ複数の凹部とを含み、
前記複数の突出部と前記複数の凹部とは、交互に形成されている請求項1に記載のマグネトロン。 - 前記陽極部は、複数の陽極を備えており、
前記複数の微細変形部は、前記複数の陽極の中で半分の陽極にのみ形成されており、
微細変形部が形成された陽極と、微細変形部が形成されていない陽極とは、交互に形成されている請求項1に記載のマグネトロン。 - 各微細変形部は陽極の表面から突出した突出部である請求項3に記載のマグネトロン。
- 各微細変形部は陽極の表面から凹んだ凹部である請求項3に記載のマグネトロン。
- 各微細変形部は、前記陰極部の軸に垂直な表面内で1つの断面を有し、
前記断面は、長方形、正方形、円形、楕円形、三角形、台形、他の多角形を含むグループから選択される請求項1に記載のマグネトロン。 - 微細変形部の断面を形成する線分(segment)の一部は、直線、円弧、或いは曲線である請求項6に記載のマグネトロン。
- 前記共振器回路は、ベーン型(vane type)回路、スロット型(slot type)回路、ホール・アンド・スロット型(hole and slot type)回路、ライジングサン型(risingsun type)回路、ストラップ型(strapped type)回路から選択される請求項1に記載のマグネトロン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040099279A KR100757087B1 (ko) | 2004-11-30 | 2004-11-30 | 마그네트론 |
PCT/KR2004/003526 WO2006059817A1 (en) | 2004-11-30 | 2004-12-30 | Magnetron |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008522380A true JP2008522380A (ja) | 2008-06-26 |
JP4267049B2 JP4267049B2 (ja) | 2009-05-27 |
Family
ID=36565233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007544250A Expired - Fee Related JP4267049B2 (ja) | 2004-11-30 | 2004-12-30 | マグネトロン |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080116807A1 (ja) |
JP (1) | JP4267049B2 (ja) |
KR (1) | KR100757087B1 (ja) |
WO (1) | WO2006059817A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101174363B1 (ko) | 2009-09-29 | 2012-08-21 | 한국전기연구원 | 줄무늬 구조를 갖는 이차전자방출 음극을 적용한 냉음극 마그네트론 |
US8389962B2 (en) * | 2011-05-31 | 2013-03-05 | Applied Materials Israel, Ltd. | System and method for compensating for magnetic noise |
KR20230060217A (ko) * | 2021-10-27 | 2023-05-04 | 한국전기연구원 | 그루브 패턴을 구비하는 캐소드를 포함하는 마그네트론 |
CN114843161B (zh) * | 2022-04-18 | 2023-05-09 | 电子科技大学 | 一种跑道形状的磁控管管芯 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL162855B (nl) * | 1950-07-26 | Crown Cork Japan | Inrichting voor het afleveren van een vooraf bepaalde hoeveelheid voeringmateriaal in een sluitdop. | |
GB960245A (en) * | 1959-06-16 | 1964-06-10 | Miwag Mikrowellen Ag | An improved amplifying valve of the magnetron type |
US3549938A (en) * | 1962-01-03 | 1970-12-22 | Varian Associates | Microwave tube with a rod array slow wave circuit having capacitive coupling between alternate rods |
JPS60127637A (ja) * | 1983-12-12 | 1985-07-08 | Hitachi Ltd | マグネトロン陽極構体 |
GB9002593D0 (en) * | 1990-02-06 | 1990-10-17 | Eev Ltd | Magnetrons |
JPH05190102A (ja) * | 1992-01-17 | 1993-07-30 | Sanyo Electric Co Ltd | マグネトロン |
JPH09259773A (ja) * | 1996-03-25 | 1997-10-03 | Sanyo Electric Co Ltd | マグネトロン |
-
2004
- 2004-11-30 KR KR1020040099279A patent/KR100757087B1/ko not_active IP Right Cessation
- 2004-12-30 US US11/720,363 patent/US20080116807A1/en not_active Abandoned
- 2004-12-30 JP JP2007544250A patent/JP4267049B2/ja not_active Expired - Fee Related
- 2004-12-30 WO PCT/KR2004/003526 patent/WO2006059817A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR100757087B1 (ko) | 2007-09-10 |
JP4267049B2 (ja) | 2009-05-27 |
WO2006059817A1 (en) | 2006-06-08 |
US20080116807A1 (en) | 2008-05-22 |
KR20060060779A (ko) | 2006-06-05 |
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