Year: 2025

Three-Proof Coating Process for PCBA Printed Circuit Components!

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Three-Proof Coating Process for PCBA Printed Circuit Components!

Abstract With the rapid development of electronic products, the application fields of electronic devices are constantly expanding. From the past, where electromechanical products were limited to general industrial applications, to today, where electronic equipment is widely used in aerospace, navigation, military, and other fields. The broad application of electronic equipment means that higher requirements are … Read more

Seven Common Techniques for PCBA Repair

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Seven Common Techniques for PCBA Repair

Based on years of experience in the maintenance and analysis of PCBA, we have categorized the maintenance methods into seven major types. Today, we will not conduct a detailed analysis of the PCBA circuit diagram, but rather provide a general overview of several methods we frequently use in repair analysis, as follows:1. Visual InspectionVisual inspection … Read more

Key Requirements and Process Control Points for PCBA Reliability: Training for Process Engineers

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Key Requirements and Process Control Points for PCBA Reliability: Training for Process Engineers

Attention! Attention!<br/>We now have a video account for electronic processes and technologies!<br/>Welcome everyone to scan the code to check us out ☞<br/>Only by persisting in learning can we continue to grow!<br/> 1. Definition and Importance of PCBA Reliability 1.1 What is PCBA Reliability?PCBA (Printed Circuit Board Assembly) reliability refers to the ability of printed circuit … Read more

Common Quality Issues in PCB Circuit Boards and Their Solutions (Part 1)

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Common Quality Issues in PCB Circuit Boards and Their Solutions (Part 1)

Common PCB Issues Quality Issues and Solutions (Part 1) In disputes between electronic product manufacturers and PCB suppliers, quality issues with PCBs have become a high-risk factor that triggers supply chain disputes. Since 2018, the PCB legal team at Maoda Law Firm has handled thousands of various contract disputes arising from quality issues. These real … Read more

Hongxin Electronics: The Comeback Path of a Flexible Circuit Board Leader? Investment Logic for Retail Investors!

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Hongxin Electronics: The Comeback Path of a Flexible Circuit Board Leader? Investment Logic for Retail Investors!

1. From “Wolf Culture” to “Family Culture”: The Genetic Code of This Company I was staring at the annual report of Hongxin Electronics on my computer screen when a description caught my attention — “Sales Director Xu Xiaolan, who has been with the company for 19 years, choked up at the 20th anniversary celebration, saying … Read more

Attempting to Use a Soldering Iron to Disassemble a Circuit Board

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Attempting to Use a Soldering Iron to Disassemble a Circuit Board

“The reason for this is that the solid-state drives (SSDs) provided with the computers at my workplace have been failing in batches. After testing, I found that some failures were due to interface issues, while others were due to problems with the storage chips. I can’t do anything about the damaged storage chips, but if … Read more

Victory Technology: The ‘Invisible Champion’ of Circuit Boards in the AI Era, Soaring Amidst the Computing Power Revolution

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Victory Technology: The 'Invisible Champion' of Circuit Boards in the AI Era, Soaring Amidst the Computing Power Revolution

During the outbreak of the pandemic in 2020, I found myself staring at the K-line chart of PCB leader Huadian Co., feeling frustrated — who would have thought that a small circuit board could become the “throat” of the global technology supply chain? That year, when Huawei was cut off from chip supplies, the entire … Read more

Jiangxi Province Launches Pilot Program for Environmental Risk Control of PCB Circuit Board Industry

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Jiangxi Province Launches Pilot Program for Environmental Risk Control of PCB Circuit Board Industry

Recently, our province has initiated a national pilot program for the management of new pollutants and comprehensive environmental risk control in the PCB industry, which is a characteristic and advantageous industry under the “1269” action plan. The pilot program has selected 8 representative PCB enterprises in Ji’an and Ganzhou to carry out monitoring work, while … Read more

The Unsung Heroes Behind Circuit Boards: Exploring the Multidimensional Value of Solder Mask Design

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The Unsung Heroes Behind Circuit Boards: Exploring the Multidimensional Value of Solder Mask Design

In the wave of precision and miniaturization of modern electronic devices, printed circuit boards (PCBs) serve as the core carriers of electronic systems, and their performance directly affects the success or failure of products. Solder mask design, as a key part of PCB design and manufacturing, acts like an “invisible guardian” hidden beneath the circuits. … Read more