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US 10,483,075 B2Granted
Slow wave circuit and traveling wave tube
AssigneeNEC Network and Sensor Systems, Ltd.
InventorsNorio Masuda, Takashi Nakano
Life of this patent
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Abstract
Provided are a slow wave circuit and a traveling wave tube suitable for an increase in fineness with regard to processing beam holes, and suitable for higher frequencies. A slow wave circuit (10) includes a meandering waveguide (1) and a beam hole (2) that pierces the meandering waveguide (1), and the cross-section of the beam hole (2) in the direction orthogonal to the long direction is in the shape of a polygon having a larger number of sides than a quadrilateral.
Claims16
A slow wave circuit comprising:
- a meandering waveguide of a folded structure comprising an opposing meandering groove formed in a flat surface of opposing components;
- and
- a beam hole formed between the opposing groove of the opposing components and that pierces the meandering waveguide, wherein
- a sectional shape of the beam hole in a direction orthogonal to a longitudinal direction thereof is a polygon having a larger number of sides as compared with a quadrilateral.
1 more element
A traveling wave tube comprising:
- an electron gun that generates an electron beam;
- the slow wave circuit including a meandering waveguide of a folded structure comprising an opposing meandering groove formed in a flat surface of opposing components and a beam hole formed between the opposing groove of the opposing components and that pierces the meandering waveguide, which allows the electron beam and a high frequency signal to interact with each other;
- and
- a collector that captures the electron beam after interaction is ended, wherein
- a sectional shape of the beam hole in a direction orthogonal to a longitudinal direction thereof is a polygon having a larger number of sides as compared with a quadrilateral.
2 more elements
Dependencies are inferred from the claim text.