About a month ago, the Semiconductor Industry Observer WeChat account shared an article discussing the sharp decline in the success rate of first-time chip tape-outs. For more details, refer to the article titled “Chips at a Historical Low”. In response to this issue, Brian Bailey, editor of Semiconductor Engineering, stated that this is just the … Read more
Case IntroductionSmart Bracelet PCBAFunction Overview1. Health Monitoring Features Heart Rate Monitoring: Real-time detection of the user’s heart rate changes through built-in optical or capacitive sensors, providing heart rate data, heart rate zones, and alerts. Sleep Monitoring: Analyzes the user’s sleep patterns, including deep sleep, light sleep, and awake time, providing sleep quality assessments and improvement … 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
Key Technical Field: This involves the field of electronic products, particularly the design and manufacturing technology of rigid-flex circuit boards. Overview of Background Technology: With the continuous development of consumer electronic products, the requirements for circuit boards are becoming increasingly high, including aspects such aslightweight, easy assembly, signal transmission speed, and product reliability. The rigid-flex … 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
Some screenshots of electronic books 【Complete Set of Hardware Learning Materials Collection】
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
Pengding Holdings involves a new type of flexible printed circuit board and its manufacturing method, which features a double-sided gold finger design aimed at improving space utilization and overcoming the limitations of existing single-sided gold finger flexible circuit boards in achieving circuit layout. Key Ideas/Facts: Double-Sided Gold Finger Design: The most significant feature of Pengding … 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
Guide to Multilayer Circuit Board Manufacturing Technology Learning Objectives This guide aims to help you review and understand the methods of multilayer circuit board manufacturing and the resulting circuit boards. It focuses on the following aspects: Core Technology: Understand the core innovations of this patent, which is a method that simplifies the multilayer circuit board … Read more