flexible PCB

A Comprehensive Guide to the Selection and Application of PCB Board-Level Underfill Materials

by
A Comprehensive Guide to the Selection and Application of PCB Board-Level Underfill Materials

In the field of electronic manufacturing, underfill materials play a crucial role in ensuring the reliability of electronic devices. Today, we will delve into the IPC J-STD-030A standard document, providing a comprehensive understanding of the selection and application points for board-level underfill materials. Underfill Materials: The “Stabilizers” of Electronic Devices Underfill materials are primarily used … Read more

Sailing Forward Together: Huaxun Networks Partners with Leading PCB Companies to Build a Global IT Foundation and Open New Chapters in Overseas Expansion

by
Sailing Forward Together: Huaxun Networks Partners with Leading PCB Companies to Build a Global IT Foundation and Open New Chapters in Overseas Expansion

Background In the wave of restructuring and accelerated adjustment of the global electronic manufacturing supply chain, more and more leading PCB companies are turning their attention to overseas markets to enhance supply chain resilience and meet global customer demands. Southeast Asia, with its complete manufacturing ecosystem, superior geographical advantages, and strong policy support, is rapidly … Read more

Wanyuantong: The Invisible Champion in the PCB Sector, How Long Can It Benefit from the Dual Dividends of AI and New Energy Vehicles?

by
Wanyuantong: The Invisible Champion in the PCB Sector, How Long Can It Benefit from the Dual Dividends of AI and New Energy Vehicles?

1. Introduction to Wanyuantong: From Consumer Electronics to AI Computing Power “PCB Expert” I am Lao Li, having navigated the stock market for many years, I have seen too many companies rise and fall. Recently, I have focused on a PCB company called Wanyuantong, not for any other reason, but because it has accurately positioned … Read more

The Relationship Between Current and Trace Width That PCB Engineers Need to Know

by
The Relationship Between Current and Trace Width That PCB Engineers Need to Know

1. PCB Current and Trace Width The calculation of PCB current-carrying capacity has long lacked authoritative technical methods and formulas. Experienced CAD engineers can make relatively accurate judgments based on personal experience. However, for new CAD users, this can be quite a challenge. The current-carrying capacity of a PCB depends on the following factors: trace … Read more

Analysis of Failure Causes for PCB Via Breakage (Corrosive Via Breakage)

by
Analysis of Failure Causes for PCB Via Breakage (Corrosive Via Breakage)

1. Introduction The copper in the vias of a printed circuit board (PCB) is akin to the neural network (blood vessels) of the human body, interspersed within the substrate “body” to provide the basic pathways for signal transmission and current conduction. Once a via copper break occurs, it is like a nerve being severed, preventing … Read more

Analysis of Soldering Equipment in PCBA Production Lines

by
Analysis of Soldering Equipment in PCBA Production Lines

Reflow Soldering Reflow soldering is an important soldering technology in the field of electronic manufacturing, primarily used to solder surface mount devices (SMD) onto printed circuit boards (PCB). The basic principle of reflow soldering: The core principle of reflow soldering is to re-melt the solder paste (a mixture of solder and flux) that is pre-distributed … Read more

Tungsten and PCB (Printed Circuit Boards)

by
Tungsten and PCB (Printed Circuit Boards)

Tungsten in the field of PCB (Printed Circuit Boards) is primarily applied in interconnection materials and advanced packaging technologies. Its high electrical conductivity, high-temperature resistance, and anti-electromigration properties make it a critical material. Below is a detailed analysis of applications and consumption: 1.Core Application Scenarios (1)Interconnection Materials and Via Filling Tungsten forms conductive layers for … Read more

What is the Dielectric Loss Angle of PCB?

by
What is the Dielectric Loss Angle of PCB?

1. What is a Dielectric? A dielectric refers to a substance or space that can transmit force, energy, or information under specific conditions. In physics and engineering, dielectrics typically refer to solids, liquids, or gases that can transmit mechanical waves, electromagnetic waves, etc. For example, in acoustics, air, water, and solids can serve as media … Read more

After Intense Competition, the PCB Market is Welcoming a New Spring

by
After Intense Competition, the PCB Market is Welcoming a New Spring

PCB, known as printed circuit board, is an essential interconnection component in electronic products, often referred to as the “mother of electronic products.”As the foundation of the electronic information industry, the PCB printed circuit board market is vast. According to the report published by the China Business Industry Research Institute titled “2023-2028 Development Trends and … Read more

What is the White Translucent Substance on the PCB?

by
What is the White Translucent Substance on the PCB?

Today, someone sent a picture to Lao Wu, asking about the several white translucent substances on the fixed seat of the PCB shown in the image. He didn’t know what they were or why they appeared on the PCB. I looked at the picture and thought it should be hot melt adhesive used for fixing … Read more