pcb via

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Solving Blind Via Issues in PCB Design and Manufacturing
ByGrace July 15, 2025July 15, 2025
Abstract Blind vias are essential in modern high-density printed circuit board (PCB) designs, enabling connections between outer layers and inner layers without penetrating the entire board. However, blind vias present several challenges, including reliability concerns, manufacturing complexities, and signal integrity issues. This paper explores common problems associated with blind vias, analyzes their root causes, and…
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Blind Via Manufacturing Processes in PCB Production
ByGrace June 8, 2025June 6, 2025
Abstract Blind vias are essential structures in modern printed circuit boards (PCBs), enabling high-density interconnections between outer layers and inner layers without penetrating the entire board. As electronic devices become more compact and complex, the demand for advanced PCB manufacturing techniques has increased. This paper explores various blind via fabrication methods, including laser drilling, mechanical…
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The Impact of PCB Vias on Signal Transmission
ByGrace June 5, 2025June 3, 2025
Abstract Printed Circuit Board (PCB) vias are essential interconnects that enable routing between different layers in multilayer boards. While indispensable for modern high-density PCB designs, vias introduce various effects that can significantly impact signal integrity. This paper examines the electrical characteristics of vias, their influence on signal transmission, and methods to mitigate adverse effects. Key…
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How to Set Solder Mask Over Vias in Various PCB Design Software
ByGrace June 5, 2025June 3, 2025
Introduction Solder mask over vias (commonly referred to as “via tenting” or “via capping”) is a crucial PCB manufacturing consideration that affects both the aesthetics and functionality of printed circuit boards. This process involves covering vias with solder mask to protect them from environmental factors, prevent solder wicking during assembly, and improve surface planarity for…
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Can Vias Be Placed on Pads in PCB Design?
ByGrace June 2, 2025May 30, 2025
Introduction Printed Circuit Board (PCB) design involves numerous critical decisions that affect signal integrity, manufacturability, and reliability. One common debate among PCB designers is whether vias should be placed directly on pads (also known as via-in-pad). Traditionally, vias were kept away from pads to avoid soldering issues, but modern manufacturing techniques have made via-in-pad a…
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PCB Via Requirements, Procedures, and Types
ByGrace May 15, 2025May 14, 2025
Introduction Printed Circuit Boards (PCBs) rely on vias to establish electrical connections between different layers. Vias are essential for high-density interconnect (HDI) designs, multilayer PCBs, and high-speed circuits. Understanding via requirements, manufacturing procedures, and different via types is crucial for PCB designers and engineers. This article explores PCB via specifications, fabrication processes, and common via…
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PCB Via Technology: A Comprehensive Guide
ByGrace May 14, 2025May 13, 2025
Introduction to PCB Vias Printed Circuit Board (PCB) via technology represents one of the most critical aspects of modern electronics manufacturing. As electronic devices continue to shrink in size while increasing in complexity, the role of vias in facilitating reliable interconnections between different layers of a PCB has become increasingly important. A via is essentially…
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Understanding PCB Vias: Design, Types, and Applications
ByGrace March 25, 2025March 21, 2025
Introduction Printed Circuit Boards (PCBs) are the backbone of modern electronics, providing the necessary electrical connections between components. One of the critical elements in PCB design is the via, a small but essential feature that allows electrical connections between different layers of the board. Vias play a crucial role in ensuring the functionality, reliability, and…
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How to optimize PCB via design? Core details that electronic engineers cannot ignore
ByGrace January 3, 2025January 2, 2025
Designing excellent PCBs requires not only innovative design concepts, but also a deep understanding of PCB processes. As a key link in PCB design, via design is crucial to the manufacture and performance of PCBs. In this article, we will analyze PCB via design to help electronic engineers complete hardware research and development more efficiently….
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PCB VIA
ByGrace November 27, 2024November 25, 2024
First, the via (via) Via is one of the important components of a multi-layer PCB. The cost of drilling is usually 30% to 40% of the cost of PCB board. Simply put, every hole in the PCB can be called a via. In terms of function, the vias can be divided into two types: one…
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Current carrying capacity of PCB traces and vias
ByGrace November 22, 2024November 20, 2024
Since the current of different products and modules is different, in order to realize various functions, designers need to know whether the designed routing and vias can carry the corresponding current to realize the function of the product and prevent the product from burning when overcurrent occurs.This article introduces the scheme and test results of…
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blind via pcb
ByGrace May 30, 2024June 12, 2024
1. What is a blind via PCB Blind via PCB technology is a technology widely used in the design and manufacture of printed circuit boards (PCBs), and its main purpose is to achieve higher circuit density in a limited space. Blind vias refer to holes that extend from the surface layer of a PCB to…
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