Technical Blog
Deep dive into the physics and integration logic of semiconductor manufacturing
Fundamentals of Tapered Profile Etch in Semiconductor Fabrication: Principles, Mechanisms, and Integration
Introduction Tapered profile etch, often referred to as slope etch or tapered etch, is a specialized plasma etching technique designed to fabricate features wit
Wet Chemical Cleaning in BEOL: The Science and Engineering of EKC Post-Etch Residue Removal
1. Introduction In modern ultra-large-scale integration (ULSI) semiconductor manufacturing, defining features at sub-nanometer scales requires an intricate danc
Demystifying Contact Hole Etch: Process Physics, Integration Principles, and Advanced Node Challenges
Introduction The fabrication of modern integrated circuits is divided into distinct manufacturing phases, where the transition between the active device layer a
The Principles and Integration of Break-Through Etch in Advanced Semiconductor Manufacturing
Introduction In the field of advanced semiconductor fabrication, achieving sub-nanometer structural precision requires absolute control over every interface and
Remote Plasma Oxide Etch: Physical Mechanisms, Process Principles, and Advanced Node Integration
Introduction In advanced semiconductor manufacturing, the ability to selectively remove ultra-thin films without damaging the underlying atomic layers is a crit
Understanding Litho-Etch-Litho-Etch (LELE): Physical Principles, Process Integration, and Advanced Node Evolution
Introduction In the continuous pursuit of scaling down silicon integrated circuit (IC) features, semiconductor manufacturing eventually encountered the fundamen
Etch Back Principles, Integration Physics, and Technology Node Evolution
Introduction In the continuous scaling of integrated circuits, achieving planar, void-free, and highly reliable multi-layer structures is a primary objective of
The Physics and Process Integration of Etch Stop Layers in Advanced Semiconductor Manufacturing
Introduction In modern semiconductor manufacturing, maintaining atomic-scale dimensional control across high-aspect-ratio features is one of the most critical r
Unlocking Performance and Precision: The Physics, Mechanics, and Evolution of Contact Etch Stop Layers
Introduction In the continuous push to downscale semiconductor devices, geometric scaling alone has long ceased to be the sole driver of performance improvement
Reactive Ion Etching in Semiconductor Manufacturing: Physics, Principles, and Process Evolution
Introduction Reactive ion etching (RIE) is a cornerstone dry etching technology used extensively in semiconductor manufacturing to transfer lithographic pattern
Wet Etching in Semiconductor Manufacturing: Principles, Physics, and Process Evolution
Introduction Wet etching is a fundamental material removal process in semiconductor manufacturing that utilizes liquid chemicals or etchants to dissolve specifi
Semiconductor Etching: Physical Principles, Process Mechanisms, and Advanced Integration
Introduction Etching is a fundamental technique used to remove undesired material parts by physical or chemical methods to create precise microscopic structures