The cleanliness requirements for chip packaging and testing areas vary based on specific process steps and product characteristics, typically ranging from ISO Class 5 (100-level) to ISO Class 7 (10,000-level). Below are the cleanliness level classifications and criteria for different areas; let’s explore this together with Hejie Technology Cleanroom Engineering Company! 1. Cleanliness Requirements for … Read more
In today’s rapidly advancing technological era, PCBs (Printed Circuit Boards) are essential components in electronic devices, and their manufacturing quality directly impacts the performance and reliability of the entire electronic product. As electronic products trend towards miniaturization, high performance, and high integration, the manufacturing of PCBs increasingly demands stringent production environment standards. The emergence of … Read more
As global chip production capacity tightens, the automotive industry is particularly suffering from a “chip shortage.” A fire broke out on Friday at Renesas, the world’s third-largest automotive chip manufacturer, in one of its 12-inch chip factories. Although the fire was quickly extinguished, Renesas has decided to temporarily halt production at this 12-inch line, with … Read more
In today’s rapidly developing high-tech era, printed circuit boards (PCBs) serve as the fundamental components of electronic devices, and their quality and stability are crucial for the overall performance of electronic products. The production process of PCBs, especially the critical steps carried out in cleanrooms, is an indispensable part of ensuring their quality. This article … Read more