AU2002239144A1 - An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same - Google Patents

An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same

Info

Publication number
AU2002239144A1
AU2002239144A1 AU2002239144A AU2002239144A AU2002239144A1 AU 2002239144 A1 AU2002239144 A1 AU 2002239144A1 AU 2002239144 A AU2002239144 A AU 2002239144A AU 2002239144 A AU2002239144 A AU 2002239144A AU 2002239144 A1 AU2002239144 A1 AU 2002239144A1
Authority
AU
Australia
Prior art keywords
unsymmetrical
wideband
travelling
same
helical structure
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.)
Abandoned
Application number
AU2002239144A
Inventor
Sun-Shin Jung
Gun-Sik Park
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2002239144A1 publication Critical patent/AU2002239144A1/en
Abandoned legal-status Critical Current

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
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/26—Helical slow-wave structures; Adjustment therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
AU2002239144A 2002-03-21 2002-03-21 An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same Abandoned AU2002239144A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2002/000485 WO2003081628A1 (en) 2002-03-21 2002-03-21 An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same

Publications (1)

Publication Number Publication Date
AU2002239144A1 true AU2002239144A1 (en) 2003-10-08

Family

ID=28450013

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002239144A Abandoned AU2002239144A1 (en) 2002-03-21 2002-03-21 An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same

Country Status (2)

Country Link
AU (1) AU2002239144A1 (en)
WO (1) WO2003081628A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63303873A (en) * 1987-06-04 1988-12-12 Toshiba Corp Production of helix type traveling-wave tube
JPH01137538A (en) * 1987-11-24 1989-05-30 Nec Corp Slow-wave circuit for traveling-wave tube
US5341066A (en) * 1992-09-02 1994-08-23 Itt Corporation Anisotropically loaded helix assembly for a traveling-wave tube
JPH08111182A (en) * 1994-08-17 1996-04-30 Toshiba Corp Slow-wave circuit structure for traveling wave tube and its manufacture

Also Published As

Publication number Publication date
WO2003081628A1 (en) 2003-10-02

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AU2002239144A1 (en) An unsymmetrical-dielectric loaded helical structure with negative dispersion characteristics and a wideband travelling-wave tube using the same

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase