★ Welcome to bookmark Guoke Hard Technology ★ Japan has long dominated the semiconductor industry with its equipment and materials. In 2019, a ban nearly choked South Korea’s semiconductor industry, involving materials such as high-purity hydrogen fluoride, fluorinated polyimide, and photoresist. It wasn’t until a few months ago that both parties reached a reconciliation. What … Read more
Why has a well-staffed, resource-rich, and highly capable industrial system nearly vanished in just twenty years?Author: Chen SiwenEditor: Yan YuFor Americans, April 12, 1961, was a frustrating day. While Washington was still asleep, the Moscow radio station in the Soviet Union began broadcasting the classic red song “How Vast and Great is Our Motherland”—followed by … Read more
In the global semiconductor industry landscape, the formation of foundry locations (chip trial production bases) as places of origin is the result of multiple historical factors and current conditions intertwining. This article will systematically analyze the deep-seated motivations for regions such as Taiwan, South Korea, and the United States becoming core foundry bases from the … Read more
Click the blue text to follow us Introduction The previous article introduced the physical and chemical properties and crystal structure of silicon carbide materials, which lay a solid foundation for the wide application of silicon carbide materials in industries such as aerospace, electronics, and energy. This article continues to introduce the preparation processes and application … Read more
Attention all investors In the process of domestic substitution in the semiconductor industry, besides the well-known leading companies, some companies focusing on niche areas with unique technological paths are quietly rising as “hidden champions”. China’s goal for semiconductor equipment localization rate has been raised to 50%. This article selects six unique and niche core players … Read more
Recently, I have been researching microcontrollers and the security of IoT-based devices. Therefore, I started considering building a small home automation system. Although it is not yet complete, I would like to share how I use Raspberry Pi 2 and some other electronic components to control the lights in a room. Of course, I will … Read more
Building a Home Smart Control System from Scratch: My Experience with LOGO! 8.0 Hello everyone, I am an engineer with over ten years of experience in industrial automation. Over the years, I have frequently used various PLC devices, among which the Siemens LOGO! series has impressed me the most. Today, I would like to share … Read more
LOGO!：A Step-by-Step Guide to Building a Simple Irrigation Control System Hello everyone, I am an engineer with over ten years of experience in the field of industrial automation. Today, I would like to share an interesting project – using the Siemens LOGO! smart relay to implement a small irrigation control system. This solution is particularly … Read more
Hello everyone, I am your engineer! I have been working in the automation field for over ten years, especially in PLC applications, and I have some insights to share. Today, I want to share a personal project I completed last year – a smart greenhouse control system built with Siemens LOGO! The origin of this … Read more
Siemens LOGO!8: My DIY Experience with Smart Lighting Control System Introduction Hello everyone, I am Lao Wang. I have been working in the automation industry for over ten years, evolving from a novice to someone who can independently design small automation projects. Today, I would like to share my experience in implementing a smart lighting … Read more