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Magnetron

A technology for magnetrons and antennas, applied in the field of magnetrons, can solve problems such as reducing the operating efficiency of magnetrons

Inactive Publication Date: 2004-01-21
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result different resonant frequencies are created which reduces the operating efficiency of the magnetron

Method used

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  • Magnetron
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Examples

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Embodiment Construction

[0017] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, wherein like reference numerals represent like elements throughout.

[0018] figure 2 is a sectional view showing the internal structure of a magnetron according to an embodiment of the present invention. Please refer to figure 2 , the cathode portion of the magnetron includes a filament 10 disposed along the central axis of the magnetron. Filament 10 is supported by central wire 14 and side wires 18 . A central lead 14 is connected to a first end of the filament 10 through an upper shield 12 and a side lead 18 is connected to a second end of the filament 10 through a lower shield 16 .

[0019] The anode portion of the magnetron includes an anode cylinder 20 and a plurality of wings 22 . The wings 22 project radially inwardly from the inner surface of the anode cylinder 20 such that the wings 22 are at a predetermined interval from the filame...

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Abstract

This magnetron includes a filament to emit thermoelectrons, a plurality of positive electrode vanes radially disposed around the filament, and an antenna coupled with at least one positive electrode vane. On the positive electrode vane coupled with the antenna, an antenna coupling part is provided, and for coupling the antenna to the positive electrode vane, the antenna coupling part is extended outward by a prescribed length from the end of the vane.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Korean Application No. 2002-41968 filed with the Korean Industrial Property Office on July 18, 2002, the disclosure of which is incorporated herein by reference. technical field [0003] The present invention relates generally to a magnetron, and more particularly to an antenna connection structure for a magnetron that allows the wings to have the same frequency characteristics when the magnetron is combined with at least one wing. Background technique [0004] As is well known to those skilled in the art, the antenna of the microwave oven magnetron is used to radiate high-frequency electromagnetic waves oscillating from the anode portion to the cooking chamber. [0005] figure 1 is a cross-sectional view showing the structure connecting the antenna to the wing in a conventional magnetron. like figure 1 As shown, the magnetron comprises an antenna 1 having an elongated rod-shape...

Claims

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Application Information

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IPC IPC(8): H01J23/20H01J9/36H01J23/15H01J23/22H01J23/36H01J23/40H01J25/50H01J25/587
CPCH01J23/40H01J23/20H01J23/22H01J25/587H01J23/15
Inventor 孙钟哲鲍里斯·V·拉伊斯基
Owner SAMSUNG ELECTRONICS CO LTD
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