Electric lamp and discharge devices: systems – High energy particle accelerator tube – Magnetic field acceleration means
Reexamination Certificate
2007-06-28
2008-12-30
Philogene, Haissa (Department: 2821)
Electric lamp and discharge devices: systems
High energy particle accelerator tube
Magnetic field acceleration means
C315S503000, C315S005420, C313S153000, C313S154000, C313S428000, C313S443000
Reexamination Certificate
active
07471053
ABSTRACT:
The present invention provides a multi-beam klystron apparatus. In the above-described multi-beam klystron apparatus, the magnetic field generating element of the electron-gun-unit-side magnetic field generating unit is disposed around the electron gun unit, and a plurality of magnetic gaps are provided in the inner peripheral surface of the magnetic pole, which covers the magnetic field generating element, in the direction of travel of the electron beams. Therefore, lines of magnetic force, which are parallel to the center axis of the radio-frequency interaction unit, can be generated. Thus, even the electron beam, which is generated from the location apart from the center axis of the electron gun unit, can be guided to the radio-frequency interaction unit in the same manner as in the location at the canter axis of the electron gun unit.
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International Search Report dated Jan. 23, 2007 for Appln. No. PCT/JP2006/322031 filed Oct. 27, 2006.
Kabushiki Kaisha Toshiba
Philogene Haissa
Pillsbury Winthrop Shaw & Pittman LLP
Toshiba Electron Tubes & Devices Co., Ltd.
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