Magnetron with a specific dimension reducing unnecessary...

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

Reexamination Certificate

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C315S039710, C315S039750, C219S756000, C219S761000

Reexamination Certificate

active

07053556

ABSTRACT:
In a magnetron41, when a radius of a flat portion45bof a pole piece45is Rp, a radius of the inner circumference of a large-diameter equalizing ring51is Rs2, Rp≧Rs2, a radius of the outer circumference of a small-diameter equalizing ring is Rs1, a radius of a circle inscribed in a leading edge of an anode vane is Ra, and a minimum length between the pole pieces in the axial direction is Lg, the values of Ra, Rs1, Rs2, and Lg are set such that the following Expressions 1 and 2 are established:in-line-formulae description="In-line Formulae" end="lead"?1.85Ra≦(Rs1+Rs2)/2≦1.96Ra, and[Expression 1]in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?2.84Ra≦Lg≦3.0Ra.[Expression 2]in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 5483123 (1996-01-01), Walker et al.
patent: 5861716 (1999-01-01), Ogura
patent: 6847023 (2005-01-01), Han et al.
patent: 6-223729 (1994-08-01), None
patent: 6-101304 (1994-12-01), None

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