JPS55100633A - Magnetron - Google Patents

Magnetron

Info

Publication number
JPS55100633A
JPS55100633A JP723179A JP723179A JPS55100633A JP S55100633 A JPS55100633 A JP S55100633A JP 723179 A JP723179 A JP 723179A JP 723179 A JP723179 A JP 723179A JP S55100633 A JPS55100633 A JP S55100633A
Authority
JP
Japan
Prior art keywords
secured
magnetic
anode cylinder
cathode
sealed
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
Application number
JP723179A
Other languages
Japanese (ja)
Inventor
Noritoshi Hinuma
Hisao Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP723179A priority Critical patent/JPS55100633A/en
Publication of JPS55100633A publication Critical patent/JPS55100633A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To provide a bigger area of heat radiation, and enhance an efficiency in the magnetic field, by arranging a ferrite magnet inside the anode cylinder made from magnetic material.
CONSTITUTION: To the inner surface of an anode cylinder 31, constructed by magnetic material into a cylindrical shape, are secured a plurality of vanes 2 radially arranged in the surroundings of a cathode 1. In the both end faces of the anode cylinder 31, protrusively provided vacuum sealed substances 12 and 13 are secured by a step unit 6, supporting the cathode 1, and an antenna unit 7, including an output lead-out wire 14 and secured to the vane 2. To the bottom of the sealed substance 12, 13, is secured a pole piece 4, 5, for supplying a magnetic field to a working space A, and in the vacuum outside bottom of the sealed substance 12, 13, is placed a ferrite permanent magnet 8, 9. In this way, the overall magnetic circuit, with the anode ring included, is miniaturized, and a magnetic efficiency can be improved, and an area of heat radiation can be also widened.
COPYRIGHT: (C)1980,JPO&Japio
JP723179A 1979-01-26 1979-01-26 Magnetron Pending JPS55100633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP723179A JPS55100633A (en) 1979-01-26 1979-01-26 Magnetron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP723179A JPS55100633A (en) 1979-01-26 1979-01-26 Magnetron

Publications (1)

Publication Number Publication Date
JPS55100633A true JPS55100633A (en) 1980-07-31

Family

ID=11660212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP723179A Pending JPS55100633A (en) 1979-01-26 1979-01-26 Magnetron

Country Status (1)

Country Link
JP (1) JPS55100633A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08167382A (en) * 1994-12-13 1996-06-25 Toshiba Hokuto Denshi Kk Magnetron for microwave oven
GB2396959A (en) * 2002-11-13 2004-07-07 New Japan Radio Co Ltd A pulse magnetron

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08167382A (en) * 1994-12-13 1996-06-25 Toshiba Hokuto Denshi Kk Magnetron for microwave oven
GB2396959A (en) * 2002-11-13 2004-07-07 New Japan Radio Co Ltd A pulse magnetron
US7038387B2 (en) 2002-11-13 2006-05-02 New Japan Radio Co., Ltd. Pulse magnetron with different anode and cathode radiuses
GB2396959B (en) * 2002-11-13 2007-05-09 New Japan Radio Co Ltd Pulse magnetron
CN100382225C (en) * 2002-11-13 2008-04-16 新日本无线株式会社 Pulse magnetron

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