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Magnetic device and manufacturing method thereof

A magnetic device and magnetic body technology, applied in the direction of inductance/transformer/magnet manufacturing, coil manufacturing, packaging/impregnation, etc., can solve problems such as welding failure

Pending Publication Date: 2022-05-13
CYNTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inductor, so soldering all the above electrodes with external circuit will cause soldering failure

Method used

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  • Magnetic device and manufacturing method thereof
  • Magnetic device and manufacturing method thereof
  • Magnetic device and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0049] figure 1 is an enlarged bottom view of a magnetic device of one embodiment of the present invention. Such as figure 1 As shown, the lower surface 1a is the bottom of the magnetic device, wherein the electrodes 4a, 4b and the ground electrode 5 of the magnetic device are disposed on the lower surface 1a. The upper surface 1b and the side surfaces 2a, 2b, 3a, 3b may be encapsulated with a shielding layer to reduce the discharge of magnetic flux generated by the magnetic device, thereby reducing electromagnetic interference in the system. The ground electrode 5 may be directly connected to the side surface 3a and the side surface 3b to form a continuous conductive path from the side surface 3a to the side surface 3b via the ground electrode 5, as figure 1 shown.

[0050] Figure 2A A partial cross-sectional view of a magnetic device of one embodiment of the invention is depicted. Figure 2B A cross-sectional view of an electrode arrangement of a magnetic device of an em...

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PUM

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Abstract

The invention discloses a magnetic device, which is characterized in that a concave part is formed on the bottom surface of a body of the magnetic device, an electrode connected to the ground is arranged in the concave part, and an electrode connected with a coil of an inductor is arranged on a protruding part adjacent to the concave part.

Description

technical field [0001] The present invention relates to a magnetic device, and more particularly to an inductor with a ground electrode. Background technique [0002] As the electronic electrodes are in conventional magnetic devices such as inductors, the height of the ground electrodes is much higher than that of the inductor electrodes, which affects the coplanarity between the ground electrodes and the inductor electrodes. Inductors, so soldering all of the above electrodes to an external circuit will result in soldering failure. [0003] Therefore, the industry needs a better solution to solve the above problems. Contents of the invention [0004] An object of the present invention is to form an electrode structure of a magnetic device to improve welding quality. [0005] An object of the present invention is to form an electrode structure of an inductor to improve welding quality. [0006] An embodiment of the present invention discloses a magnetic device, comprisi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/29H01F27/36H01F17/04H01F41/00H10N97/00
CPCH01F27/363H01F41/00H01F27/292H01F17/04H01F2017/048H01F27/022H01F27/29H01F27/2823H01F41/04H01F27/24H01F27/288H01F27/266H01F27/2804H01F41/005H01L25/16H01L28/10H01F41/02
Inventor 李奇勳钟旻峰
Owner CYNTEC
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