Multi-beam klystron apparatus

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

Reexamination Certificate

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Details

C315S003000, C315S501000, C250S3960ML

Reexamination Certificate

active

07385354

ABSTRACT:
A multi-beam klystron apparatus is disclosed. A radio-frequency interaction unit pole piece is arranged between a main magnetic field generator and an output-side magnetic field generator. The magnetic circuit formed in the neighborhood of an output cavity of a radio-frequency interaction unit is separated from the magnetic circuit of the main magnetic field generator by the radio-frequency interaction unit pole piece. The output-side magnetic field generator increases the axial magnetic flux density in the neighborhood of the output cavity without curving the electron beams and thus prevents the spread of the electron beams in the neighborhood of the output cavity.

REFERENCES:
patent: 5773934 (1998-06-01), Uhm
patent: 6326730 (2001-12-01), Symons
patent: 6495953 (2002-12-01), Imura
patent: 6847168 (2005-01-01), Ives et al.
patent: 7116064 (2006-10-01), Bluem
patent: 2002/0008478 (2002-01-01), Schult
patent: 2002/0180362 (2002-12-01), Symons
patent: 2003/0038603 (2003-02-01), Mako et al.
patent: 2002-520772 (2002-07-01), None

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