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Consumer electronics are developing towards miniaturization and high integration. The PCBA SMT mounting process is facing severe challenges: the size of components is evolving from 0402 package to 01005 package (0.4mm×0.2mm), and the mounting accuracy requirement is raised to ±30μm

The EMI issue of high-speed PCBS (typically referring to PCBS with signal frequencies exceeding 100 MHZ or rising edges less than 1ns) is indeed more difficult to troubleshoot, as high-frequency signals have stronger radiation capabilities and are prone to problems such as transmission line effects and crosstalk.

As the "mother of electronic systems", printed circuit boards (PCBS) are the core carriers that carry electronic components and achieve signal transmission. They are widely used in terminal fields such as AI servers, new energy vehicles, 5G communications, and consumer electronics.