Manufacturing method of aluminum or aluminium alloy forming surface adhesion-type inductor and structure thereof

Abstract

The invention discloses a manufacturing method of an aluminum or aluminium alloy forming surface adhesion-type inductor and a structure of the aluminum or aluminium alloy forming surface adhesion-type inductor. Aluminum or aluminium alloy serves as forming materials, the forming materials present half flow condition after the forming materials are heated, and a magnetic shielding semi-finished product which is provided with a containing groove is finished by a forming die and an extrusion processing procedure; through a surface treatment procedure, a coating film layer is formed on the surface of the cooled magnetic shielding semi-finished product, and a magnetic shielding semi-finished product is obtained after the cooled magnetic shielding semi-finished product is cleaned and died, a coil is provided, the coil contains an iron core, the iron core is arranged in a hollow part of the coil, and moldings extend from two sides of the coil in a centrifugal line mode; the coil which contains the iron core is arranged in a magnetic shielding in an embedded-type mode, and parts of the moldings are exposed out of the magnetic shielding, insulation paste is filled in a space in the containing groove of the magnetic shielding to flat parts which are protruded from the magnetic shielding to enable the moldings to be exposed out to form a surface adhesion-type inductor finished product. By the adoption of the manufacturing method of the aluminum or aluminium alloy forming surface adhesion-type inductor and the structure of the aluminum or aluminium alloy forming surface adhesion-type inductor, manufacture procedures of the surface adhesion-type inductor finished product are simplified, and a good promotion of efficiency of heat dissipation is provided.

Description

technical field [0001] The invention relates to the technical field of a passive component, in particular to a manufacturing method and structure of an aluminum or its alloy forming surface-mounted inductor. Background technique [0002] Inductor is a very important passive component. It is used in electronic circuits and has functions such as current stabilization, impedance, matching, filtering, energy storage, and resonance. With the miniaturization of electronic products and the improvement of component precision, the size of inductors also requires More sophisticated and compact to meet board and efficiency requirements. [0003] In order to meet the requirements of the previous disclosure, the structure of the inductor is often designed to match the surface mount technology (Surface Mounting Technology, SMT), also known as the surface mount device (SMD) process. [0004] In the prior art, regarding the structure of the inductor, such as China Taiwan Patent No. 2010210...

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned manufacturing process is not only cumbersome and lengthy, but also requires high man-hour costs. The coils are positioned in the mold using jigs, and the iron powder materials are filled with machines. It requires sequential moving parts and low production capacity per time unit, forming stability and yield. There are also deficiencies. Moreover, the surface treatment of the spray coating will cause heat to easily accumulate on the performance surface, which will cause the coil to generate impedance, affect the stability of the inductor value, and also reduce its durability and life. Therefore, it is necessary to improve

Images