Technical Blog
Deep dive into the physics and integration logic of semiconductor manufacturing
Remote Plasma Oxide Etch: Physical Mechanisms, Process Principles, and Advanced Node Integration
In advanced semiconductor manufacturing, the ability to selectively remove ultra-thin dielectric films without damaging underlying atomic layers is a critical requirement for…
Understanding Litho-Etch-Litho-Etch (LELE): Physical Principles, Process Integration, and Advanced Node Evolution
In the continuous pursuit of scaling down silicon integrated circuit (IC) features, semiconductor manufacturing eventually encountered the fundamental physical boundaries of…
Etch Back Principles, Integration Physics, and Technology Node Evolution
In the continuous scaling of integrated circuits, achieving planar, void-free, and highly reliable multi-layer structures is a primary objective of process integration.
Contact Etch Stop Layer (CESL) in Semiconductor Manufacturing: Physics, Stress Engineering, and Integration Logic
In the continuous push to downscale semiconductor devices, geometric scaling alone has long ceased to be the sole driver of transistor performance improvements.
The Physics and Process Integration of Etch Stop Layers in Advanced Semiconductor Manufacturing
In modern semiconductor manufacturing, maintaining atomic-scale dimensional control across high-aspect-ratio features is one of the most critical requirements for device scaling.
Reactive Ion Etching in Semiconductor Manufacturing: Physics, Principles, and Process Evolution
Reactive ion etching (RIE) is a cornerstone dry etching technology used extensively in semiconductor manufacturing to transfer lithographic patterns into various substrate…
Semiconductor Etching: Physical Principles, Process Mechanisms, and Advanced Integration
Etching is a fundamental technique used to remove undesired material parts by physical or chemical methods to create precise microscopic structures.
Wet Etching: Selectivity and Anisotropy
Wet etching removes material in liquid; selectivity and undercut depend on chemistry and stack, while crystalline silicon can etch anisotropically.
Dry Etching: Principles, Physics, and Role in Advanced Semiconductor Manufacturing
Dry etching is one of the most critical pattern-transfer techniques in modern semiconductor manufacturing.