Updates & Insights

Single Crystal SiC Fixed Abrasive Lapping: Surface Form Prediction and Digital Modeling of Abrasive Motion Trajectories

1. Processing Background and Core Challenges Single crystal silicon carbide (SiC) is a critical substrate material for next-generation power semiconductor devices. Its exceptional hardness and

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Single Crystal Diamond Near-Atomic Scale CMP: A Material Removal Rate Model Based on Simulated Annealing Optimization Algorithm

1. The Processing Challenge: Why Is CMP of Single Crystal Diamond So Difficult Single crystal diamond is widely recognized as one of the hardest and

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Key Factors in Mechano-Chemical Synergistic Polishing of Single-Crystal Silicon: Achieving Ultra-Smooth Surfaces

1. Background and Core Challenges Single-crystal silicon serves as the fundamental substrate material for both semiconductor device fabrication and precision optical systems. Its surface quality

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Magnetorheological Shear Thickening Polishing Technology for Precision Machining of Silicon Carbide Ceramics

1. Core Challenges in SiC Ceramic Machining Silicon carbide (SiC) ceramics are widely adopted in high-end sectors such as semiconductors, aerospace, and precision optics, owing

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Surface Generation Modeling and Experimental Study of Ultrasonic Vibration-Assisted Polishing of BK7 Optical Glass

1. Processing Background and Technical Challenges BK7 optical glass is one of the most widely used hard and brittle materials in optical systems, extensively applied

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Residual Stress Distribution and Process Optimization Strategy in Precision Grinding of Ultra-Thin Silicon Wafers

1. Background: Core Challenges in Ultra-Thin Wafer Grinding As advanced packaging and power device applications continue to push for thinner silicon wafers, the precision grinding

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Acetic Acid-Regulated CeO₂-Based Slurry for High-Efficiency Atomic-Level CMP of GaN Films

1. Processing Background and Technical Challenges Gallium nitride (GaN), as a flagship material of the third-generation semiconductors, holds an irreplaceable position in power devices and

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Multi-Objective Sustainable Optimization of Copper Film CMP: A New Approach Balancing Quality, Efficiency, and Environmental Responsibility

1. Process Pain Point: The Limitations of Single-Objective Optimization In semiconductor manufacturing, Chemical Mechanical Planarization (CMP) serves as a critical process for achieving global wafer

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Enhanced CMP Efficiency of Ga-face GaN Using Sol-Gel Polishing Pads

1. Processing Background and Challenges Gallium nitride (GaN), as a leading representative of third-generation semiconductor materials, has demonstrated tremendous value in power devices and radio-frequency

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The Effect of Polishing Pad Groove Morphology on CMP Performance: Mechanism Analysis and Engineering Guidance Based on CFD Simulation

1. Problem Background: Why Groove Morphology Matters In Chemical Mechanical Planarization (CMP), the surface groove morphology of the polishing pad is one of the most

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Subsurface Damage Control in BK7 Optical Glass Grinding Using Ordered Abrasive Arrangement Wheels

1. Processing Challenge: The Subsurface Damage Dilemma from Random Abrasive Distribution BK7 optical glass is widely used in precision optical systems due to its outstanding

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Ultra-Precision Non-Contact Tool Setting Technology Based on Thin-Film Thickness Measurement

1. Manufacturing Pain Points: The Core Challenge of Tool Setting Accuracy In the field of Single Point Diamond Turning (SPDT), tool setting accuracy is one

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