Dielectrically supported helix derived slow wave circuit专利检索-慢波结构电子零件及设备专利检索查询-专利查询网

Dielectrically supported helix derived slow wave circuit

阅读：449发布：2022-11-25

专利汇可以提供Dielectrically supported helix derived slow wave circuit专利检索，专利查询，专利分析的服务。并且A dielectrically supported helix derived slow wave circuit and microwave tube using same is disclosed. A topologically equivalent ring and bar slow wave circuit is supported from mutually opposed concave trough-shaped surfaces of a serpentineshaped dielectric support structure, as of ceramic. The outer edges of the serpentine support structure are bonded to the inner surface of a metallic barrel structure surrounding the slow wave circuit. An array of metallic fins extend from the barrel into a region adjacent the slow wave circuit and in between adjacent ring portions of the ring and bar circuit for decreasing the dispersiveness of the ring and bar circuit at the low frequency end of the operating range whereby the useful bandwidth of the tube is greatly increased.，下面是Dielectrically supported helix derived slow wave circuit专利的具体信息内容。

权利要求

1. In a microwave tube, electron gun means for projecting a beam of electrons over an elongated beam path, metallic periodic slow wave circuit means disposed along the beam path for cumulative electromagnetic interaction with the beam to produce microwave output energy, electrically conductive barrel means surrounding said slow wave circuit, dielectric support means interposed between said barrel means and said slow wave circuit for supporting said slow wave circuit relative to said barrel means, said dielectric support means including a plurality of dielectric vane portions spaced apart along the direction of the beam with the plane of each vane being generally transversely disposed of the beam path, each of said dielectric vane portions having a concave inner tip portion abutting said slow wave circuit and an outer root portion, and an array of electrically conductive vane members interposed between adjacent dielectric vane portions and electrically coupled to said conductive barrel means to provide a microwave ground disposed between periodic elements of said slow wave circuit means for decreasing the dispersiveness of said slow wave circuit means.

2. The apparatus of claim 1 including, means for bonding said dielectric support means to said slow wave circuit and to said conductive barrel, respectively, for providing thermally conductive joints between said dielectric support means and said slow wave circuit and barrel, respectively.

3. The apparatus of claim 1 wherein said conductive vanes are joined along their side edges to said barrel.

4. The apparatus of claim 1 wherein said slow wave circuit and said dielectric support means each include a serpentine-shaped member, said serpentine-shaped slow wave circuit member having a serpentine-shaped outer convex surface, said dielectric support member having a serpentine-shaped concave face joined to said outer surface of said slow wave circuit in transverse registration therewith.

5. The apparatus of claim 4 including, means for bonding an outer serpentine-shaped face of said serpentine-shaped dielectric support member to said surrounding barrel structure.

6. The apparatus of claim 4 wherein said electrically conductive vanes each include an outer root portion joined to said barrel and an inner concave tip portion terminating outside the outer circumference of said periodic slow wave circuit, the spacing from said tip portion of the said electrically conductive vane to the adjacent periodic element of said slow wave circuit being less than the space g between adjacent periodic elements of said slow wave circuit.

7. The apparatus of claim 6 wherein said periodic slow wave circuit comprises a topological equivalent of a ring and bar slow wave circuit.

8. The apparatus of claim 6 wherein each of said electrically conductive vane members is spaced apart from the adjacent dielectric vane portion in the direction of the beam.

9. The apparatus of claim 8 wherein the thickness of each of said conductive means is approximately equal to one-half the spacing between adjacent dielectric vane portions.

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Dielectrically supported helix derived slow wave circuit

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