The Functional Failure Analysis Case Study of PCBA Caused by HDI Blink Hole Defects
With the rapid advancement of microelectronics technology, electronic products continue to evolve toward lighter, thinner, shorter, and smaller designs.
Research on Selective Removal and Restoration Processes for Three-Proof Coating Layers on PCBA Electronic Components
Aerospace electronic and electrical equipment continuously faces erosion from special environmental factors such as humid heat, mold, salt spray, and corrosive gases during service.
Reasons and Hazards of PCB Board Warping
PCB warping is a critical issue in modern electronics manufacturing, particularly on automated surface mount lines, where even slight deformation can cause misalignment, poor component placement, or damage to insertion machinery.
What is PCB “via filling”? Why is it done? How is it achieved?
Via holes serve to interconnect circuit traces. The advancement of the electronics industry has driven the development of PCBs while imposing higher demands on printed circuit board manufacturing processes and surface mount technology.
Mastering PCBA Design for Manufacturability: Boost Reliability & Efficiency
Printed Circuit Board Assembly (PCBA) consists of a Printed Circuit Board (PCB), electronic components, and structural elements, assembled through precision soldering and mounting processes.
Research on Manufacturing Process Optimization for High-Density Interconnect Circuit Boards
With the rapid development of electronic products toward miniaturization, high performance, and high reliability, High-Density Interconnect (HDI) printed circuit boards have become a key enabling technology in advanced electronic packaging.
PCB Dimensional Change (Shrinkage & Expansion): Mechanisms, Anisotropy, and Manufacturing Control
PCB dimensional change—often referred to as dimensional stability issues—is a long-standing and unavoidable challenge in printed circuit board manufacturing. It directly affects inner-layer registration, outer-layer alignment, impedance control, BGA assembly yield, and overall product reliability.
PCB Slot (Oblong / Routed) Holes: Design and Manufacturing Considerations for Accuracy, Reliability, and Yield
PCB Slot holes—also known as oblong, oval, or irregular holes—are widely used for connectors, positioning features, and mechanical retention in printed circuit boards.
Effect of Stack Height on PCB Drilling Quality: Mechanisms, Data, and Process Optimization Abstract
In PCB fabrication, stack height (the number of panels drilled in a single hit) has a direct and quantifiable impact on hole quality, positional accuracy, tool life, and overall yield.
Basic UL Knowledge for PCBs
UL certification plays a vital role in ensuring the safety, reliability, and market acceptance of printed circuit boards (PCBs), particularly in North America and other regulated markets.