Technical Blog
Deep dive into the physics and integration logic of semiconductor manufacturing
Fundamental Principles of Silicon Oxynitride in Advanced Semiconductor Processing
Silicon oxynitride, represented chemically as SiOxNy and commonly abbreviated as SiON, is a non-stoichiometric dielectric material that has played a pivotal role in the scaling…
Undoped Silicate Glass (USG) in Semiconductor Manufacturing: Principles, Mechanical Reliability, and Process Integration
Undoped silicate glass (USG) is one of the most foundational thin-film dielectric materials in modern semiconductor manufacturing.
P+ Contact Implant: Physics, Process Principles, and Technology Node Evolution
In modern semiconductor manufacturing, establishing highly reliable, low-resistance electrical connections to the p-type silicon substrate or well is a foundational requirement…
Passivation Layer Deposition: Physical Principles, Process Integration, and Advanced Node Evolution
In modern semiconductor fabrication, the final steps of back-end-of-line (BEOL) processing are just as critical to device yield and reliability as front-end active device…
Fundamental Principles of Pre-Metal Dielectric Planarization in Advanced Semiconductor Manufacturing
The pre-metal dielectric (PMD) layer, also referred to as the first interlevel dielectric (ILD0) layer, serves as the structural and electrical isolation barrier between…
Lithography in Advanced Semiconductor Manufacturing: Physics, Chemical Mechanisms, and Node Evolution
In modern integrated circuit (IC) fabrication, lithography serves as the fundamental cornerstone for pattern generation and transfer.
Conformal Silicon Oxide Hard Mask: Physical Principles, Process Integration, and Nanometer Scaling
The scaling of complementary metal–oxide–semiconductor (CMOS) technology has been the driving force in the advancement of modern integrated circuits over the past few decades.
Controlling Surface Topography in Advanced BEOL: The Physics and Process Principles of Copper Dishing and Erosion
In modern integrated circuit manufacturing, back-end-of-line (BEOL) metallization is responsible for routing electrical signals across billions of transistors.
Demystifying Floating Diffusion in CMOS Image Sensors: Physics, Process Integration, and Scaling Challenges
Floating diffusion is a pixel sensing node: transferred charge changes its voltage according to effective capacitance. The 40nm flow locates a related implant, not a measured sensor outcome.
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…
A Comprehensive Guide to Phosphosilicate Glass (PSG) in Semiconductor Manufacturing
Phosphosilicate glass (PSG) represents a vital class of doped silicate materials widely integrated within the fabrication of silicon-based integrated circuits and microstructures.
Silicon Carbonitride: Principles, Process Integration, and Advanced Node Evolution
Silicon carbonitride (SiCN) has emerged as a key material in advanced semiconductor manufacturing, bridging the gap between traditional dielectric films and the rigorous…