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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.

The reliability core of blind buried via circuit boards lies in "interconnection stability" and "environmental adaptability". The core reliability indicators include four major categories: conduction reliability, temperature resistance reliability, moisture and heat resistance reliability, and vibration resistance reliability. These indicators directly determine the service life and stability of the product in actual use.

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.