Introduction: Why Glass Wafer Is Gaining Momentum In recent years, glass wafers have become a hot topic in the semiconductor industry.While silicon has long dominated as the standard wafer material, glass substrates are now emerging as a strong alternative — especially in advanced packaging, MEMS, and optical sensor applications. The reasons are clear:Glass offers excellent … Read more
WARP-3500 Non-Contact High Precision Wafer Thickness & Shape Measurement System As semiconductor manufacturing continues to scale down to the nanometer level, precise control of wafer thickness (TTV) and warpage (WARP, Bow) has become one of the most critical factors in ensuring high production yield.Even slight variations in wafer thickness or flatness can cause alignment errors, … Read more
Introduction As wafer geometries become more complex and ultra-thin wafers are adopted across advanced semiconductor applications, precise and non-contact metrology becomes essential. The WARP-3500 series is an advanced Automatic Mapping Wafer Thickness Measurement System, capable of ultra-high precision thickness and shape measurements. With nanometer-level resolution, WARP-3500 provides reliable and safe solutions for even the most … Read more
Introduction As semiconductor technology advances into the Angstrom era, chipmakers are turning to new architectural innovations to overcome the physical limits of traditional frontside power delivery. One such breakthrough is the Backside Power Delivery Network (Backside PDN), a game-changing approach that routes power lines from the back of the wafer rather than the front, dramatically … Read more
Semiconductor wafers are the foundation of modern electronic devices. However, these wafers are not immune to the passage of time. Even in controlled storage environments, a variety of physical and chemical degradations can occur, potentially compromising the yield and reliability of devices. This article explores the various negative phenomena that may appear over time and … Read more