According to news from the semiconductor industry, on June 10, Canaan Technology stated during an institutional survey that multiple chip customization projects have entered the design phase in the first quarter of 2025 and are expected to tape out within this year. The company provides design services for an MRAM control chip project, which is … Read more
Dry ice cleaning demonstrates excellent performance and wide application in the removal of PCBA flux. 1. The Effectiveness of Dry Ice Cleaning for PCBA Flux In the electronics manufacturing industry, the cleanliness of PCBA (Printed Circuit Board Assembly) is crucial for the performance and reliability of products. Flux, as an auxiliary material in the soldering … Read more
Today, I am sharing a small experiment I conducted many years ago, paying tribute to Mr. Jin and all the comrades from the PCBA soldering improvement team!Background IntroductionDuring the transition from leaded to lead-free soldering, various failures such as remote control malfunction and failure to power on occurred in TV products during the damp heat … Read more
Imagine if we were tasked with designing a <span>24V powered 100,000 RPM brushless sensorless</span> small fan drive project, how should we design it? Today, let’s get straight to the <span>hardware</span> design selection. <span>In traditional</span> solutions, we would look for a <span>general-purpose</span> MCU with advanced timers, AD acquisition, DMA, etc. The rest would be conventional design, … Read more
The eight major process systems of PCBA (Printed Circuit Board Assembly) cover the entire process from component placement to finished product testing and packaging, detailed as follows: 1. SMT (Surface Mount Technology) Process Process: Solder paste printing → Component placement → Reflow soldering Function: Precisely place surface mount devices (SMD) onto PCB pads and form … Read more
Warm reminder: The article is about 3400 words long and will take about 10 minutes to read. You will definitely gain insights after reading it. If you want to learn more professional knowledge and industry information, you can join my knowledge community and grow continuously with me.When it comes to flexible printed circuit boards (FPCA), … Read more
The following is a comprehensive technical solution for hardware engineers to achieve Signal Integrity (SI), Power Integrity (PI), and EMC protection in PCB design, presented in a combination of tables and text: 1. Signal Integrity (SI) Design Specifications 1. Layout and Routing Optimization Impedance Matching: Ensure that the characteristic impedance of transmission lines (such as … Read more
Click the blue text to follow us In Liu Xiaoping’s studio on Tunxi Old Street, the 63-year-old retired electronic engineer dips his brush in ink, and the mist of Huangshan Mountain quietly spreads on rice paper. On his desk, there are no circuit diagrams, only ink wash landscapes. His life trajectory resembles a peculiar function … Read more
The following questions are sourced from various inquisitive learners on Zhihu. As an advanced ceramics B2B platform serving the industry, CERADIR Advanced Ceramics Online strives to answer users’ queries. In the future, our editor will share related Q&A here weekly, and we welcome industry friends to ask us questions on Zhihu. If there are any … Read more
Research Guide on Carrier-Supported Copper Foil, Coreless Support, and PCB Manufacturing Methods 1. Overview and Core Concepts This research guide aims to provide an in-depth understanding of carrier-supported copper foil and its applications in coreless support and printed circuit board (PCB) manufacturing. The focus is on a novel design of carrier-supported copper foil that addresses … Read more