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Double-face tin soaking and welding methods of coil, coil and tap

A coil and double-sided technology, applied in the direction of transformer/inductor coil/winding/connection, welding equipment, welding equipment, etc., can solve the problems of failure to propose double-sided tin-staining, inconvenience, etc.

Active Publication Date: 2020-07-10
LUXSHARE PRECISION IND (ENSHI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this technical solution failed to provide a good solution for dipping tin on both sides and removing tin overflow
[0004] In summary, the existing technology obviously has inconvenience and defects in actual use, so it is necessary to improve

Method used

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  • Double-face tin soaking and welding methods of coil, coil and tap
  • Double-face tin soaking and welding methods of coil, coil and tap
  • Double-face tin soaking and welding methods of coil, coil and tap

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that references in the specification to "one embodiment," "an embodiment," "example embodiment," etc., mean that the described embodiment may include a particular feature, structure, or characteristic, but not necessarily every implementation. Examples must contain these specific features, structures or properties. Furthermore, such expressions do not refer to the same embodiment. Further, when a specific feature, structure or characteristic is described in conjunction with an embodiment, whether or not it is explicitly described, it has been shown that it is within the knowledge of those skilled in the art to combine such feature, structure or characteristic into other embodiments .

[0035] Some words are used to refer to ...

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Abstract

The invention is suitable for the technical field of electronic element welding and provides double-face tin soaking and welding methods of a coil, the coil and a tap. The tap double-face tin soakingmethod of the coil includes the steps that A, a first laser of a laser device is adopted for irradiating a welding area of the coil, so that an electric conduction body of the welding area is exposed;B, solder paste is dripped to the electric conduction body exposed out of the welding area; C, the welding area is hot-pressed, so that the solder paste of the welding area is fixed to the surface ofthe electric conduction body, so that a tin layer is formed on the electric conduction body; and D, a second laser of the laser device is adopted for cutting the electric conduction body in the welding area at fixed length. Therefore, the double faces of the coil are evenly soaked in tin.

Description

technical field [0001] The invention relates to the technical field of welding of electronic components, in particular to a double-sided tinning of a coil and a welding method thereof, as well as a coil and a tap. Background technique [0002] see figure 1 and figure 2 , the product shown is that the customer requires the product to be dipped in tin on both sides for the coil, and the size and thickness of the product after dipping the tin are controlled to + / -0.025. The traditional tinning method is: 1. Dip tin directly in the tin furnace, but it is difficult to control the size. And the appearance is very controlled, figure 1 Among them, copper conductor 11, tin dots 12, thick tin 13, and thin tin 14. It can be seen that due to tin dots 12 and uneven tin, there is too much tin, the thickness is 100% NG, and the appearance is NG. figure 2 Among them, the copper conductor 11, the thick tin 22, and the thin tin 23, in which the conductor melts, the width is NG, and the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/005B23K26/38H01F27/28H01F27/29
CPCB23K1/0056B23K26/38B23K2101/36H01F27/28H01F27/29
Inventor 唐叶飞吴文晶戴长喜王涛袁海峰周毅
Owner LUXSHARE PRECISION IND (ENSHI) CO LTD
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