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Coil component

A coil assembly, coil technology, applied in the direction of transformer/inductor coil/winding/connection, electrical components, transformer/inductor components, etc., can solve problems such as damage to insulating coatings

Pending Publication Date: 2021-07-20
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the external force of the above-mentioned forming process, the insulating coating between the outermost turn of the winding part and the two ends of the metal wire may be damaged, and the metal wire of the winding part may be exposed outward in the corresponding area

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0031] figure 1 is a schematic diagram of a coil assembly according to a first embodiment of the present disclosure. figure 2 yes figure 1 floor plan. image 3 is along figure 2 A cross-sectional view taken along line II' in . Figure 4 yes image 3 A magnified view of part A of . Figure 5 shows a modified example of the insulating layer and Figure 5 The magnified view of part A' in the corresponding Figure 4 . exist figure 2 In , a part of components is explicitly shown for the description of the present disclosure.

[0032] refer to Figure 1 to Figure 5 , The coil component 1000 according to example embodiments includes a main body 100 , a wound coil 200 , an insulating layer 300 , and external electrodes 400 and 500 .

[0033] The main body 100 may form the exterior of the coil component 1000 and may have the wound coil 200 embedded therein.

[0034] The body 100 may be formed to have a hexahedron shape generally.

[0035] based on figure 1 , the main b...

no. 2 example

[0062] Image 6 is a schematic diagram of the coil assembly according to the second embodiment of the present disclosure and corresponds to figure 2 . Figure 7 yes Image 6 Enlarged view of part B of . Figure 8 is along Image 6 A cross-sectional view taken along line II-II' in . Figure 9 yes Figure 8 Enlarged view of part D of .

[0063] refer to Figure 1 to Figure 5 as well as Figure 6 to Figure 9 , when comparing the coil component 2000 according to the present embodiment with the coil component 1000 according to the first embodiment, the positions of the insulating layers 300 are different from each other. Therefore, in the description of the present embodiment, a description will be given while focusing on the position of the insulating layer 300 . The description of the first embodiment will be equally or similarly applied to other components of this embodiment.

[0064] refer to Figure 6 to Figure 9, the insulating layer 300 is disposed to surround th...

no. 3 example

[0067] Figure 10 is a schematic diagram of a coil assembly according to a third embodiment of the present disclosure and corresponds to figure 2 . Figure 11 yes Figure 10 Enlarged view of part E of . Figure 12 is along Figure 10 A cross-sectional view taken along the line III-III'. Figure 13 yes Figure 12 Enlarged view of part F of .

[0068] refer to Figure 1 to Figure 5 as well as Figure 10 to Figure 13 , when comparing the coil component 3000 according to the present embodiment with the coil component 1000 according to the first embodiment, the main bodies 100 are different from each other. Therefore, in the description of the present embodiment, a description will be given while focusing on the main body 100 . The description of the first embodiment will be equally or similarly applied to other components of this embodiment.

[0069] refer to Figure 10 to Figure 13 , the main body 100 has a low-density part 110 and a high-density part 120, the low-den...

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PUM

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Abstract

A coil component includes a wound coil having a winding portion, including at least one turn, and a lead-out portion extending from an end portion of the winding portion to form a separation space, together with the winding portion, the wound coil being formed of a metal wire having a surface on which an insulating coating portion is disposed, a body embedding the wound coil therein and including magnetic powder particles and an insulating resin, and an insulating layer disposed on at least one of a surface of the winding portion and a surface of the lead-out portion forming the separation space.

Description

[0001] This application claims the benefit of priority to Korean Patent Application No. 10-2020-0006393 filed with the Korean Intellectual Property Office on January 17, 2020, the entire disclosure of which is incorporated by reference for all purposes at this. technical field [0002] The present disclosure relates to a coil assembly. Background technique [0003] An example of a coil assembly is a wound coil assembly using a wound coil. [0004] The wound coil is formed by winding a metal wire having an insulating coating formed on its surface two or more times (first process). When the first processing is completed, both ends of the metal wire extend parallel to each other from both ends of the winding portion, respectively. Both ends of the first-processed metal wire are bent in a direction perpendicular to the direction in which it extends (secondary process, forming process). [0005] Due to the external force of the above-mentioned forming process, the insulating c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/28H01F27/32
CPCH01F27/28H01F27/32H01F27/324H01F27/292H01F2017/048H01F17/04H01F1/26H01F27/2828H01F1/37H01F27/23H01F1/06H01F27/255H01F17/045
Inventor 金亨镐宋贤裕金在光曹秉局
Owner SAMSUNG ELECTRO MECHANICS CO LTD