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Why Do Silicon Wafers Have Flats or Notch?
Silicon wafers, the foundation of integrated circuits and semiconductor devices, come with an intriguing feature – a flattened edge or a tiny notch cut into the side. This small detail actually serves an important purpose for wafer handling and device fabrication. As a leading wafer manufac...Read more -
What Is Wafer Chipping and How Can It Be Solved?
What Is Wafer Chipping and How Can It Be Solved? Wafer dicing is a critical process in semiconductor manufacturing and has a direct impact on final chip quality and performance. In actual production, wafer chipping—especially front-side chipping and back-side chipping—is a frequent and serious ...Read more -
Patterned versus Planar Sapphire Substrates: Mechanisms and Impact on Light Extraction Efficiency in GaN-Based LEDs
In GaN-based light-emitting diodes (LEDs), continuous progress in epitaxial growth techniques and device architecture has driven the internal quantum efficiency (IQE) increasingly close to its theoretical maximum. Despite these advances, the overall luminous performance of LEDs remains fundamenta...Read more -
Understanding Semi-Insulating vs. N-Type SiC Wafers for RF Applications
Silicon carbide (SiC) has emerged as a crucial material in modern electronics, particularly for applications involving high power, high-frequency, and high-temperature environments. Its superior properties—such as wide bandgap, high thermal conductivity, and high breakdown voltage—make SiC an ide...Read more -
How to Optimize Your Procurement Cost for High-Quality Silicon Carbide Wafers
Why Silicon Carbide Wafers Seem Expensive—and Why That View Is Incomplete Silicon carbide (SiC) wafers are often perceived as inherently expensive materials in power semiconductor manufacturing. While this perception is not entirely unfounded, it is also incomplete. The true challenge is not the ...Read more -
How can we thin a wafer down to “ultra-thin”?
How can we thin a wafer down to “ultra-thin”? What exactly is an ultra-thin wafer? Typical thickness ranges (8″/12″ wafers as examples) Standard wafer: 600–775 μm Thin wafer: 150–200 μm Ultra-thin wafer: below 100 μm Extremely thin wafer: 50 μm, 30 μm, or even 10–20 μm Why a...Read more -
How SiC and GaN are Revolutionizing Power Semiconductor Packaging
The power semiconductor industry is undergoing a transformative shift driven by the rapid adoption of wide-bandgap (WBG) materials. Silicon Carbide (SiC) and Gallium Nitride (GaN) are at the forefront of this revolution, enabling next-generation power devices with higher efficiency, faster switch...Read more -
FOUP None and FOUP Full Form: A Complete Guide for Semiconductor Engineers
FOUP stands for Front-Opening Unified Pod, a standardized container used in modern semiconductor manufacturing to transport and store wafers safely. As wafer sizes have increased, and fabrication processes have become more sensitive, maintaining a clean and controlled environment for wafers has b...Read more -
From Silicon to Silicon Carbide: How High-Thermal-Conductivity Materials Are Redefining Chip Packaging
Silicon has long been the cornerstone of semiconductor technology. However, as transistor densities increase and modern processors and power modules generate ever-higher power densities, silicon-based materials face fundamental limitations in thermal management and mechanical stability. Silicon c...Read more -
Why High-Purity SiC Wafers Are Critical for Next-Generation Power Electronics
1. From Silicon to Silicon Carbide: A Paradigm Shift in Power Electronics For more than half a century, silicon has been the backbone of power electronics. However, as electric vehicles, renewable energy systems, AI data centers, and aerospace platforms push toward higher voltages, higher tempera...Read more -
The Difference Between 4H-SiC and 6H-SiC: Which Substrate Does Your Project Need?
Silicon carbide (SiC) is no longer just a niche semiconductor. Its exceptional electrical and thermal properties make it indispensable for next-generation power electronics, EV inverters, RF devices, and high-frequency applications. Among SiC polytypes, 4H-SiC and 6H-SiC dominate the market—but c...Read more -
What Makes a High-Quality Sapphire Substrate for Semiconductor Applications?
Introduction Sapphire substrates play a foundational role in modern semiconductor manufacturing, particularly in optoelectronics and wide-bandgap device applications. As a single-crystal form of aluminum oxide (Al₂O₃), sapphire offers a unique combination of mechanical hardness, thermal stability...Read more