Guide to the Structure and Manufacturing Methods of Flexible Circuit Boards Abstract This guide aims to help you review and consolidate your understanding of Flexible Printed Circuit Boards (FPCB), Chip on Film (COF) modules, and their manufacturing methods. The main content covers the components of flexible circuit boards, the characteristics of bent and non-bent areas, … Read more
2. Technical Field Pengding is involved in Flexible Circuit Boards (FPCB), Chip-on-Film (COF) modules, and electronic devices that include flexible circuit boards, particularly flexible printed circuit boards used for COF in various electronic devices. 3. Background Technical Issues As electronic products trend towards thinner, smaller, and lighter designs, there is a need for high-density installation … Read more
First Public Disclosure of Water-Damaged Vehicle Circuit Board Disassembly: 85% of Hidden Hazards Can Be Fatal Submerged for 10 minutes, hazards can linger for 3 years. This is the shocking data we obtained from the first disassembly of a water-damaged vehicle circuit board. While most people focus on the visible issues of water-damaged vehicles, the … Read more
To alleviate the inventory pressure caused by returns of electronic products, Du and Wang devised a scheme to deliberately damage product circuit boards by applying high current, burning out components, and then claiming “quality issues” to exchange for new products, thereby committing fraud. Recently, the Haidian Court sentenced defendants Du and Wang to three years … Read more
Pengding Holdings has disclosed a flexible circuit board and its manufacturing method. The core innovation of this circuit board lies in the adoption of a unique dielectric structure, which uses air filled in a closed cavity as the primary medium surrounding the signal transmission lines. Compared to traditional dielectric materials, air has a lower dielectric … Read more
Guide to Flexible Circuit Boards and Their Manufacturing Methods Overview This guide aims to help you review and understand the structure of flexible circuit boards and their manufacturing methods as described. The patent discloses a design for flexible circuit boards intended to reduce high-frequency signal transmission losses by introducing air-filled sealed cavities to minimize dielectric … Read more
Core Issues and Technical Background: Pengding Holdings addresses the trend of existing electronic products moving towards being thinner, lighter, and smarter, where flexible circuit boards (FPC) are widely used as important components. To achieve high frequency, high speed, thinness, and dense routing, as well as to meet the requirements of Ball Grid Array (BGA) packaging, … Read more
The process of 3D printing circuit boards typically involves the following two main methods, detailed as follows: Method 1: Directly Printing Circuits with Conductive Materials Designing the CircuitUse specialized circuit design software, such as EAGLE or Fusion 360, to design and model the circuit. Once the design is complete, import the circuit board file into … Read more
The structural composition of the new copper clad laminate and its differences from traditional copper clad laminates. How the design of this copper clad laminate balances structural reliability and signal loss. The impact of different material selections on the performance of copper clad laminates. The preparation methods for copper clad laminates. Circuit boards made from … Read more
As consumer electronics continue to miniaturize and become lighter, the application of 3D flexible circuit boards is becoming increasingly widespread, making it a key focus for engineers. This article will outline important considerations for designing 3D flexible circuit boards, hoping to assist fellow engineers. 1. Preparation Before DesignDetailed documentation is crucial for planning key areas … Read more