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PCB Materials

FPC Flexible Circuit Boards: Introduction and Differences Between Electrodeposited Copper and Rolled Annealed Copper

Author: Jack WangAt the core layer of flexible printed circuit boards (FPCs), selecting copper foil is akin to encoding the genetic blueprint of the circuit. As the neural pathways for electronic signals, rolled annealed copper (RA) and ele...

Jul 2, 2025 Read More

PCB Materials

Introduction to Various Stiffeners for FPC Flexible Circuit Boards

Author：Jack Wang Flexible Printed circuit stiffeners offering mechanical support to the flexible part of the circuit. This is essential for meeting requirements related to mounting, interfacing (e.g., connectors, gold fingers), soldering (...

Jun 30, 2025 Read More

PCB Materials

Engineering Guide for High-Frequency FPC Materials Tackling High-Frequency Challenges in Flexible Circuits

Author: Jack WangDriven by 5G communications, millimeter-wave radar, and high-speed data transmission, high-frequency FPC (Flexible Printed Circuit) has become an indispensable neural pathway for cutting-edge electronic equipment. Unlike tr...

May 29, 2025 Read More

PCB Materials

Engineering Challenges and Innovative Practices of Ultra-Long FPC Materials

Author: Jack WangWith the growing adoption of wearable medical devices and new energy vehicle BMS systems, demand for ultra-long FPCs (exceeding 1.2 meters in length) has surged. This article provides an in-depth analysis of the critical pe...

May 27, 2025 Read More

PCB Materials

Engineering Guide to FPC Material Polyimide From Material Properties to Industrial Applications

Author: Jack WangI. Core Technical Characteristics of PolyimideAs the core substrate material for flexible printed circuits (FPCs), polyimide (PI) films hold over 80% of the market share (per Prismark 2023 data). Their unique properties ori...

May 23, 2025 Read More

PCB Materials

Halogen-Free PCB material A Landscape of Diversified Applications

Author: Jack Wang1. Application Panorama: Six Core Industries1.1 Industrial Control: Extreme Environment AdaptabilityUse Case: Oil drilling platform control modulesChallenges:①H₂S corrosion resistance (≥500 ppm concentration)②Vibration ...

Mar 29, 2025 Read More

PCB Materials

Halogen-Free PCB Materials Technology Landscape and Market Transformation

Author: Jack Wang1. Technology Evolution Map: Three Generations of Disruptive Innovations1.1 Technology Roadmap (2006–2025)1st Generation (2006–2012): Phosphorus-Nitrogen Flame Retardant Systems①Key breakthrough: Replaced brominated epox...

Mar 28, 2025 Read More

PCB Materials

Comprehensive Analysis of Halogen-Free PCB Materials A Technical Guide from Definition to Engineering Implementation

Author: Jack Wang1. Definition Standards and Technical Controversies of Halogen-Free Materials1.1 Precise Definition of Halogen-Free MaterialsAccording to the IPC-4101E standard, true halogen-free materials must meet:①Chlorine (Cl) content...

Mar 27, 2025 Read More

PCB Materials

Technical Roadmap of BT Resin Substrate and Market Transformation An Industrial Reconfiguration Triggered by High-frequency Materials

Author: Jack Wang Ⅰ.Technology Evolution Map: From "Lab Formula" to "Mass Production Code" 1. Molecular Design Iteration HistoryFirst Generation (1985–2000): Mitsubishi Gas Chemical’s original formula (BMI/CE=6:4), Tg 180°C, Dk 4.5, limi...

Mar 26, 2025 Read More

PCB Materials

BT Resin Substrate Diversified Applications Decoding the Material Powering the High-Frequency Era

Author: Jack WangⅠ.BT Resin Substrate Diversified Applications: Decoding the Material Powering the High-Frequency EraSince its development in the 1980s, BT resin (Bismaleimide Triazine Resin) has achieved an optimal balance among thermal r...

Mar 24, 2025 Read More

PCB Materials

BT Resin Substrate Technology Analysis Definition, Characteristics, and Engineering Applications Guide

Author: Jack WangⅠ. Definition and Chemical Basis of BT Resin Substrates BT resin (Bismaleimide Triazine Resin), developed by Mitsubishi Gas Chemical Company in the 1980s, is a thermosetting polymer synthesized through copolymerization of ...

Mar 21, 2025 Read More

PCB Materials

PCB High-Speed Material Technology Roadmap and Market Transformation The Evolution from Lab to Industry

In 2019, a leading smartphone manufacturer faced a major setback with its 5G millimeter-wave antenna module—signal loss at the 28 GHz band was 30% higher than expected. After three months of troubleshooting, engineers traced the root cause...

Mar 20, 2025 Read More