Comparison of Global Semiconductor Ultra-Pure Water Standards: Analyzing the Differences Between SEMI, ISO, and China’s GB

Comparison of Global Semiconductor Ultra-Pure Water Standards: Analyzing the Differences Between SEMI, ISO, and China's GB

In the semiconductor manufacturing process, the quality of ultra-pure water directly affects chip yield and performance. As the global semiconductor industry chain becomes more integrated, understanding and complying with different regions’ ultra-pure water standards has become crucial for enterprises to ensure compliant production. This article deeply compares the definitions of ultra-pure water according to SEMI … Read more

Cleanroom Requirements for Chip Packaging and Testing Areas

Cleanroom Requirements for Chip Packaging and Testing Areas

  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