High vacuum electron tube with magnetically isolated control electrode专利检索-真空电子管电子零件及设备专利检索查询-专利查询网

High vacuum electron tube with magnetically isolated control electrode

阅读：80发布：2020-11-24

专利汇可以提供High vacuum electron tube with magnetically isolated control electrode专利检索，专利查询，专利分析的服务。并且In a high vacuum electron control tube, a cathode comprised of a plurality of spaced parallel cathode wires or filaments arranged upon a generally cylindrical surface parallel to the cylinder axis cooperates with a common generally cylindrical anode concentric with the cathode structure and a control electrode composed of a plurality of planar loop-shaped control elements each arranged radially between adjacent pairs of cathode wires. Suitable oriented U-shaped metallic screens surrounding each of the cathode wires and a homogeneous magnetic field extending parallel to said wires coact to cause the electrons emitted from each cathode wire to follow cycloidal paths towards said anode with a minimum of electrons reaching said control electrode even in case of relatively high positive control voltages, while at the same time ensuring a high amplification factor of the tube.，下面是High vacuum electron tube with magnetically isolated control electrode专利的具体信息内容。

权利要求

1. A high vacuum electron control tube comprising: 1. a cathode structure including a plurality of spaced cathode wires arranged upon the surface of a spacial cylinder with each of said wires disposed parallel to the axis of said cylinder, 2. a common cylindrical anode disposed concentrically with said cathode structure, 3. a control electrode structure including a plurality of planar control elements extending radially in respect to said axis and each between a pair of adjacent cathodes wires, 4. means to provide a homogeneous magnetic field in a direction generally parallel to said cathode wires and permeating the space enclosed by said wires and said anode, and 5. a plurality of metal screens arranged each to partially shield one of said cathode wires, to cause, in cooperation with said field, the electrons of the discharge current emitted by said wires to follow cycloidal paths towards said anode, substantially without reaching said control element.

2. a common cylindrical anode disposed concentrically with said cathode structure,

2. an anode having a substantially smooth surface cooperating with and substantially equally spaced from said cathode wires,

2. A high vacuum electron control tube as claimed in claim 1, wherein said control electrode structure further contains a cylindrical supporting member disposed along said axis and each of said control elements comprises a plurality of spaced oblong wire loops radially extending from said member, and wherein said anode encloses both said control electrode structure and said cathode structure.

3. A high vacuum electron control tube as claimed in claim 1, wherein each of said control elements consists of at least one supporting rod parallel to said axis and a plurality of spaced oblong wire loops affixed to and radially extending from said rod.

3. a control electrode structure including a plurality of planar control elements each extending centrally of and transversely to the connecting line transverse to a pair of cathode wires,

3. a control electrode structure including a plurality of planar control elements extending radially in respect to said axis and each between a pair of adjacent cathodes wires,

4. means to provide a homogeneous magnetic field in a direction generally parallel to said cathode wires and permeating the space enclosed by said wires and said anode, and

4. means to provide a homogeneous magnetic field extending in The direction of said wires and permeating the space enclosed by said cathode structure and said anode, and

4. A high vacuum electron control tube as claimed in claim 1, wherein said screens have a U-shaped cross section and are arranged with their apertures oriented towards said anode.

5. A high vacuum electron control tube as claimed in claim 1, wherein said screens have a substantially U-shaped cross section with an effective opening aperture extending over approximately 250* and are arranged with said apertures oriented towards said anode.

5. a plurality of metal screens arranged each to partially shield one of said cathode wires, to cause, in cooperation with said field, the electrons of the discharge current emitted by said wires to follow cycloidal paths towards said anode, substantially without reaching said control elements.

6. A high vacuum electron control tube as claimed in claim 1, wherein said screens have a U-shaped cross section and are arranged with the axes of their apertures pointing in the direction of the tangent to the pitch circle of said cathode wires.

7. A high vacuum electron control tube as claimed in claim 1, wherein said screens have a U-shaped cross section and are arranged with the axes of their apertures pointing towards said anode and forming an angle of from 10* to 40* with the tangent to the pitch circle of said cathode wires.

8. A high vacuum electron control tube as claimed in claim 1, wherein said anode consists of a pair of cylindrical anode members disposed respectively inside and outside of said cathode and control electrode structures, and wherein each of said screens consists of two planar elements disposed on either side of the respective cathode wires, to cause a pair of cycloidal-shaped electron discharge streams emanating from the opposite sides of said wires to both said anode members.

9. In a high vacuum electron control tube comprising;

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High vacuum electron tube with magnetically isolated control electrode

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