Have you ever touched a freshly baked smartphone chip? That silicon wafer the size of a fingernail is now a hot potato. According to Siemens EDA’s latest data, the global chip yield rate has halved for the first time—plummeting from 24% two years ago to just 14% now, more shocking than your child’s declining monthly … Read more
Recently, I was asked a question: why has the tape-out success rate (hit rate) of chip design companies been declining year by year from 2020 to 2024? Here, the success rate is defined as the ability to achieve a certain volume of mass production within a period after tape-out. After all, the purpose of tape-out … Read more
Core Competitiveness of Flexible Response and Fast Delivery「Click the blue text to follow us」2023 PCBA production and SMT processing are two closely related but distinct concepts in the field of electronic manufacturing. This article focuses on Hengtianyi Company, exploring the differences between the two and their applications in actual production. In-Depth Analysis of the Differences … Read more
Drones consume a significant amount of energy during flight, especially for small devices. To address this issue, drone PCBA is designed to be more compact, denser, and faster, enabling more functions in a smaller space. Signal Integrity Issues in Drone PCBA From aerial photography to package delivery, drones are changing the way we live and … Read more
Considerations for Renovating Old House Circuits It is necessary to replace all copper core wires; partial modifications are not recommended; Old aluminum wires in the walls are prone to oxidation and overheating, posing hidden dangers; Old air switches should be replaced with new ones that have leakage protection; Increase the number of sockets to avoid … Read more
1.1 Basic Recognition Mnemonics A circuit board can change in countless ways; the combination of components is key. Resistors and capacitors are the most common; understanding their symbols is essential. Resistance changes and capacitor leakage; remember the basic characteristics. Inductance and voltage changes can be checked; measure the PN junction of transistors. MOSFETs can be … Read more
Printed Circuit Board Advanced PCB Design Advanced design of Printed Circuit Boards (PCBs) requires a combination of engineering practice, signal integrity analysis, electromagnetic compatibility (EMC) design, and manufacturing processes. The following are the core points and practical tips for advanced design to help you enhance the professionalism and reliability of PCB design. 1.High-Speed Signal and … Read more
In the field of electronic device manufacturing, underfill materials play a crucial role in enhancing the reliability of electronic components. Today, we will delve into the knowledge regarding the selection and application of underfill materials as outlined in the IPC J-STD-030A standard. The Importance and Types of Underfill Materials As electronic products continue to evolve … Read more
Having navigated the stock market for many years, I have seen various companies, some fleeting like meteors, while others steadily progress through the river of time. Today, I want to discuss Yidun Electronics, a company that has been deeply rooted in the circuit board industry for many years. I will share my views in the … Read more
Currently, technology is advancing rapidly, with precision circuit boards carrying thousands of signal transmissions, acting as the central nervous system of the intelligent world, linking key instructions together. Jingwang Electronics Co., Ltd. (hereinafter referred to as “Jingwang Electronics”), established in 1993 and listed on the Shanghai Stock Exchange in 2017 (stock code: 603228), has been … Read more