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What is the Class-Wire Harness Flexible PCB Manufacturing Technology?
In recent years, the rapid development of high-end industries such as intelligent connected vehicles and low-altitude aircraft has driven continuous innovation in flexible printed circuit boards (FPCBs). In traditional automotive applications, certain wiring and distribution functions rely on wire harnesses, as illustrated in Figure 1. Conventional wire harnesses feature a structure where copper wires are encased in plastic insulation[...]
PI Protective Film Process for Rigid-Flex PCBs: Reducing Flexible-Area Cosmetic Defects
The PI protective film process for rigid-flex PCBs applies a polyimide (PI) protective film onto the cover film surface of the flexible area before or during lamination. Its primary purpose is to shield the flexible panel from prepreg (PP) powder, resin overflow, pitting, compression cracking, and contamination—defects that commonly occur during rigid-flex lamination and lead to high scrap rates.[...]
Flexible Electronics–Enabled RF Signal Processing Circuits for Miniaturized Missile Systems
With the widespread operational deployment of unmanned platforms, miniaturized, low-cost, and mass-produced munitions will become an inevitable trend in future weapons development. Therefore, designers must minimize the volume ratio of onboard electronic equipment, controlling it within 15% to 20% to reserve more space for warheads and propulsion systems. Miniaturization Challenges in Next-Generation Munitions However, traditional rigid circuit system structural[...]
How Flexible PCBs Power Formula Student Race Cars: Design and Applications
Flexible Printed Circuits (FPC) have emerged as an ideal alternative to traditional wiring harnesses in the electrical systems of Formula Student China race cars due to their lightweight, bendable nature, and high-density wiring capabilities. Within the confined cabin space of FS vehicles, the electrical system faces dual technical challenges: ensuring operational reliability while optimizing spatial layout. This is particularly[...]
Flexible Coating Materials in Circuit Board Manufacturing
Flexible coating materials play an increasingly critical role in the modern circuit board industry as electronic products continue to evolve toward higher density, lighter weight, and greater mechanical reliability. From flexible printed circuits (FPCs) to rigid-flex and high-reliability PCBs, these materials are widely applied to protect conductive traces, enhance environmental resistance, and maintain electrical performance under repeated bending, vibration,[...]
Flexible Printed Circuits on Textiles via Screen Printing for Wearable Electronics
The principle of flexible electronic printing technology involves using inks with electronic functionality to fabricate electronic devices or circuits on flexible substrates through precision printing techniques. The printed circuits possess corresponding electronic capabilities. Flexible electronic printing technology holds broad application prospects in radio frequency identification (RFID) tags, sensors, thin-film transistors, supercapacitors, and other fields. Printing is a relatively low-cost[...]
