During the outbreak of the pandemic in 2020, I found myself staring at the K-line chart of PCB leader Huadian Co., feeling frustrated — who would have thought that a small circuit board could become the “throat” of the global technology supply chain? That year, when Huawei was cut off from chip supplies, the entire … Read more
Recently, our province has initiated a national pilot program for the management of new pollutants and comprehensive environmental risk control in the PCB industry, which is a characteristic and advantageous industry under the “1269” action plan. The pilot program has selected 8 representative PCB enterprises in Ji’an and Ganzhou to carry out monitoring work, while … Read more
In the wave of precision and miniaturization of modern electronic devices, printed circuit boards (PCBs) serve as the core carriers of electronic systems, and their performance directly affects the success or failure of products. Solder mask design, as a key part of PCB design and manufacturing, acts like an “invisible guardian” hidden beneath the circuits. … Read more
Advertisement Divider PCB Network City News Currently, technology is advancing rapidly, and precision circuit boards carry thousands of signal transmissions, acting as the central nervous system of the intelligent world, linking key instructions together. Shenzhen Jingwang Electronics Co., Ltd. (hereinafter referred to as “Jingwang Electronics”) was established in 1993 and went public on the Shanghai … Read more
Click on the arrow “China Electroplating Network” , follow us There are four main methods of electroplating in circuit boards: finger-type electroplating, through-hole electroplating, roller-type selective plating, and brush plating. Here is a brief introduction: 1 Finger-type Electroplating This method requires rare metals to be plated on the edge connectors, protruding contacts, or gold fingers … Read more
When performing PCB soldering, we need to strictly control the entire soldering process to ensure the quality of the soldering. Below are the key considerations for PCB soldering. 1. After receiving the bare PCB, first conduct a visual inspection to check for issues such as short circuits or open circuits. Then familiarize yourself with the … Read more
Click ↑ for automotive repair cases and follow for updates to obtain the complete timing guide Highly versatile, applicable to all circuit boards! 1. How to repair circuit boards without schematics? 1. You must have a clear mental image. You need to thoroughly understand the principles of some typical circuits and be very familiar with … Read more
InXilinx FPGA, the Site is the smallest configurable unit in the physical layout of the chip, representing the specific location of hardware resources. 1. Definition and Function of Site Physical Level: A Site is the smallest independently configurable unit on an FPGA chip, with each Site corresponding to a fixed physical location, containing specific resources … Read more
Introduction The explosive growth of artificial intelligence is profoundly reshaping the semiconductor industry landscape, and the wave of democratization of edge AI has created an urgent demand for dedicated computing architectures. As an accelerator specifically optimized for neural networks, the NPU is becoming the core computing power for terminals such as smartphones, AI PCs, and … Read more
This article evaluates the performance of MindSpore and PyTorch based on Huawei’s Ascend Neural Processing Unit (Ascend NPU). Huawei’s Ascend NPU isa chip designed specifically for accelerating neural network computations, which not onlysupports the self-developed framework MindSpore but alsohas been adapted for PyTorch. However, there is currentlya lack of comparative evaluation studies on MindSpore and … Read more