PCB printed circuit board Printed circuit board, referring to an empty circuit boardPCBA printed circuit board assembly Printed circuit board assembly, referring to a circuit board assembly with completed component solderingAnnular ring: Solder ring.Array: Panel or display.Acid trip: Etching dead corner.Assembly: Installation.Bare Board: Bare board,Bad Size: Workbench, effective size of the workbench.Blind Buried via: Blind … Read more
PCB warpage refers to the out-of-plane deformation of printed circuit boards that occurs after they are removed from the pressing fixture or specific environment, which does not meet design requirements. It can generally be subdivided into two forms: ✒︎ Bowing Deformation resembling a bowl or arch bridge, where the four corners of the PCB are … Read more
For friends who have just entered the electronic manufacturing field, terms like SMT, DIP, and PCBA can often be confusing. Although these concepts all belong to the realm of circuit board processing, their core logic is about “process connection” rather than “parallel relationships.” Choosing the wrong processing method may lead to cost waste or performance … Read more
When it comes to PCBs (Printed Circuit Boards), many people’s first reaction is: a green board filled with incomprehensible lines and components, complex and tedious. Today, let’s change our perspective and help you fully understand it. Rest assured, there will be no difficult jargon, just an interesting “building” journey. Chapter 1: The Birth of the … Read more
Click the blue text to follow us Today, let’s discuss an important topic in professional PCBA processing: why all reliable factories insist on “soldering before separation”? This question sounds quite technical, but it actually relates to product quality, efficiency, and cost. Whether you are a newly entered engineer or a purchasing manager looking for PCBA … Read more
Behind the modern electronics and semiconductor industry lies a multitude of high-precision, high-speed manufacturing equipment that supports the birth of chips and circuit boards. These devices not only determine the performance and reliability of electronic products but also serve as the key driving force behind the advancement of Moore’s Law and heterogeneous integration technology. This … Read more
Wherever there is electricity, printed circuit boards (PCBs) are needed. 1. Definition of AOI The full name of AOI is Automated Optical Inspection, which translates to 自动光学检测 in Chinese. It is a high-speed, high-precision device that uses optical principles, high-resolution cameras, and precision motion control systems to automatically detect various defects on printed circuit boards … Read more
Essential insights! Download the complete courseware of “Introduction to Intelligent Manufacturing” (405 pages)! (Click the above blue text to obtain learning materials!) With the automation of surface mount technology (SMT) in electronic integrated circuits and the development of unmanned factories, the reliability and verification maintenance of visual inspection equipment have become increasingly crucial. The types … Read more
Management of Outsourced PCBA Processing Inspections Introduction: For companies that have their PCBA manufactured by outsourced SMT factories, it is not sufficient to simply hand over the manufacturing requirements and expect good quality without oversight. Discovering issues only at the end of the process is too late for effective remediation. A crucial aspect is that … Read more
In modern electronic manufacturing, SMT (Surface Mount Technology), SPI (Solder Paste Inspection), AOI (Automated Optical Inspection), and X-Ray inspection equipment have become key tools for ensuring product quality. The management level of these precision devices directly determines the stability and reliability of product quality. How can we effectively manage these inspection devices to ensure they … Read more