IL97449A0 - Quick warm-up cathode heater for high average power magnetrons - Google Patents

Quick warm-up cathode heater for high average power magnetrons

Info

Publication number
IL97449A0
IL97449A0 IL97449A IL9744991A IL97449A0 IL 97449 A0 IL97449 A0 IL 97449A0 IL 97449 A IL97449 A IL 97449A IL 9744991 A IL9744991 A IL 9744991A IL 97449 A0 IL97449 A0 IL 97449A0
Authority
IL
Israel
Prior art keywords
average power
high average
cathode heater
quick warm
power magnetrons
Prior art date
Application number
IL97449A
Other languages
English (en)
Original Assignee
Litton Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of IL97449A0 publication Critical patent/IL97449A0/xx

Links

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
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
IL97449A 1990-03-14 1991-03-05 Quick warm-up cathode heater for high average power magnetrons IL97449A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/493,497 US5130601A (en) 1990-03-14 1990-03-14 Quick warm-up cathode heater for high average power magnetrons

Publications (1)

Publication Number Publication Date
IL97449A0 true IL97449A0 (en) 1992-06-21

Family

ID=23960459

Family Applications (1)

Application Number Title Priority Date Filing Date
IL97449A IL97449A0 (en) 1990-03-14 1991-03-05 Quick warm-up cathode heater for high average power magnetrons

Country Status (5)

Country Link
US (1) US5130601A (ko)
EP (1) EP0447206A3 (ko)
JP (1) JPH04220932A (ko)
KR (1) KR100262925B1 (ko)
IL (1) IL97449A0 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5412281A (en) * 1993-03-31 1995-05-02 Litton Systems, Inc. Phase smoothing cathode for reduced noise crossed-field amplifier
TW201200628A (en) * 2010-06-29 2012-01-01 Hon Hai Prec Ind Co Ltd Coating apparatus
KR101456657B1 (ko) * 2012-12-26 2014-11-04 주식회사 선익시스템 증발원 가열 장치
CN111729212A (zh) * 2020-07-27 2020-10-02 上海联影医疗科技有限公司 微波源的阴极加热器、阴极和放射治疗设备
WO2022021942A1 (en) 2020-07-27 2022-02-03 Shanghai United Imaging Healthcare Co., Ltd. Radiotherapy device and microwave source thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US652635A (en) * 1899-08-09 1900-06-26 George Westinghouse Electric heater and supporting material therefor.
FR1334312A (fr) * 1960-06-14 1963-08-09 Lignes Telegraph Telephon Perfectionnements aux tubes électroniques du type magnétron
NL130735C (ko) * 1965-08-16 1900-01-01
US3465201A (en) * 1967-03-27 1969-09-02 Philips Corp Magnetron casing
US3881126A (en) * 1974-03-06 1975-04-29 Gte Sylvania Inc Fast warm-up cathode assembly
US4494034A (en) * 1982-12-09 1985-01-15 Rca Corporation Magnetron filament having a quadrilateral cross-section
US4683401A (en) * 1984-09-28 1987-07-28 Kabushiki Kaisha Toshiba Microwave tube output section

Also Published As

Publication number Publication date
EP0447206A2 (en) 1991-09-18
EP0447206A3 (en) 1992-04-01
KR100262925B1 (ko) 2000-08-01
JPH04220932A (ja) 1992-08-11
US5130601A (en) 1992-07-14

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