Metal middle frame, processing method of feed point surface of metal middle frame, shell assembly and electronic equipment

Abstract

The invention provides a metal middle frame, a processing method of a feed point surface of the metal middle frame, a shell assembly and electronic equipment. The processing method of the feed point surface of the metal middle frame comprises the following steps of: providing the metal middle frame; and performing laser remelting on the surface of a predetermined area of the metal middle frame to obtain the feed point surface. Therefore, the surface of the metal middle frame subjected to laser remelting treatment has high surface hardness, the abrasion of the feed point surface can be obviously reduced, and the risk of poor contact caused by oxidation of the feed point surface is further relieved; the surface of the metal middle frame subjected to laser remelting treatment has relatively low surface roughness, so that the friction coefficient between the elastic sheet and the feed point surface can be effectively reduced, the generation of an abrasive material is relieved, and the problems of oxidation and poor contact of the feed point surface are inhibited; the lower surface roughness can inhibit the phenomenon of oxidation corrosion caused by the fact that the feed point surface adsorbs water vapor in air, so that the contact stability of the feed point surface is ensured; and meanwhile, the treatment method is simple and easy to implement, low in cost and convenient for industrial management and mass production.

Description

technical field [0001] The present application relates to the technical field of electronic equipment, and in particular, relates to a processing method for a metal middle frame and its feed point surface, a housing assembly, and an electronic equipment. Background technique [0002] In the wireless terminal equipment, the radio frequency signal of the main board is properly processed after being generated, and then introduced into the metal middle frame by the feed point, and finally the antenna signal is transmitted and received by the metal middle frame, and the feed point is used as the connection point between the main board and the metal middle frame , its contact reliability directly affects the transmission and reception of wireless signals. At present, the connection structure of the antenna feed point mainly includes three connection structures: screw connection, shrapnel-middle frame laser engraving and shrapnel-gold-plated copper sheet. However, the above three c...

AI Technical Summary

Problems solved by technology

At present, the connection structure of the antenna feed point mainly includes three connection structures: screw connection, shrapnel-middle frame laser engraving and shrapnel-gold-plated copper sheet. However, the above three connection methods still have many shortcomings, which affect the reliability of the feed point contact. sex

[0003] Therefore, the research on the feed point of the metal middle frame needs to be in-depth

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