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Category Archives: Process
Apr22
How to Define Cosmetic Quality Standards for Plastic Parts
Caption: Cosmetic scratches on plastic parts Before products are put into inventory after final assembly, electronics manufacturing factories always perform quality inspections to ensure product quality. In terms of functional performance, most products go through 100% function testing, so pass/fail … Continue reading
Apr02
Root Cause Analysis: Why FPC Traces Break
Recently, my company started seeing an increase in field returns caused by open circuits in flexible printed circuits (FPCs) inside the terminal. After digging into several cases, the root cause turned out to be broken copper traces. So what’s going … Continue reading
Mar26
How to Design FPC-to-PCB Connections for Better Assembly (DFx)
As electronic devices keep getting thinner and more compact, FPCs (flexible printed circuits) are used more and more. In some designs, FPCs even replace traditional PCBs. But no matter how advanced FPC technology becomes, it still needs to connect to … Continue reading
Jan14
Explaining the Relationship Between BOM, AML, AVL, and MPN
BOMs, AML/AVL, and MPNs are essentially the “recipe” behind electronics manufacturing. All of these terms are closely related to a product’s material list. Understanding what they mean is not difficult—the real challenge is knowing how to apply them effectively to … Continue reading
Jan07
For Beginners: What Is a BOM? How BOM Works with ECO, ECN, and ECR in Electronics Manufacturing
For many people who are new to the electronics manufacturing and assembly industry, BOM and ECO are two very important terms—but also two of the most confusing ones. In this article, I’ll try to explain these concepts in a simple … Continue reading
