Technical Blog
Deep dive into the physics and integration logic of semiconductor manufacturing
Controlling Surface Topography in Advanced BEOL: The Physics and Process Principles of Copper Dishing and Erosion
Introduction In modern integrated circuit manufacturing, back-end-of-line (BEOL) metallization is responsible for routing electrical signals across billions of
Conformal Silicon Oxide Hard Mask: Physical Principles, Process Integration, and Nanometer Scaling
Introduction In the relentless pursuit of Moore's Law, the semiconductor industry continuously scales integrated circuit (IC) dimensions down to the nanometer s
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
Demystifying Floating Diffusion in CMOS Image Sensors: Physics, Process Integration, and Scaling Challenges
Introduction In the field of solid-state imaging, the complementary metal-oxide-semiconductor (CMOS) image sensor (CIS) has completely replaced charge-coupled d
Mastering the P+ Contact Implant: Physics, Process Engineering, and Node Evolution
Introduction In modern semiconductor manufacturing, establishing highly reliable, low-resistance electrical connections to the silicon substrate is a foundation
Pre-Litho Clean: Fundamental Principles, Chemical Mechanisms, and Node Evolution in Advanced Semiconductor Manufacturing
Introduction In the realm of ultra-large-scale integration (ULSI), surface preparation is a continuous and critical necessity (Engineering Practice). Among thes
Understanding Deposition Rate: Principles, Kinetics, and Advanced Semiconductor Node Integration
Introduction In semiconductor manufacturing, deposition rate—defined as the thickness of thin film deposited on a substrate per unit of time—is a foundational p
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
Demystifying the Pre-Metal Dielectric: Physics, Process Integration, and Advanced Node Evolution
Introduction In the fabrication of modern integrated circuits, the boundary between the active semiconductor devices and the complex network of metal interconne
Demystifying Tetraethyl Orthosilicate (TEOS) in Advanced Semiconductor Manufacturing
Introduction In modern semiconductor manufacturing, the synthesis of high-quality silicon dioxide (SiO2) thin films is a cornerstone of device integration T1, A
Self-Aligned Contact (SAC) Technology: Principles, Process Integration, and Advanced Node Evolution
Introduction In the relentless drive of Moore's law, scaling down the physical dimensions of integrated circuits has pushed optical lithography to its physical
Demystifying Poly Open Polish: Principles, Mechanisms, and Advanced Node Integration
Introduction In modern semiconductor manufacturing, the transition from conventional oxide-based gates to advanced transistor architectures has necessitated rev