技术博客
深入了解半导体制造工艺的物理原理与集成逻辑
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
理解光刻-刻蚀-光刻-刻蚀(LELE):物理原理、工艺集成与先进制程演进
简介 在持续追求缩小硅集成电路 (IC) 特征尺寸的过程中,半导体制造业最终遇到了光学分辨率的基本物理边界 T2。根据瑞利分辨率准则,最小可分辨特征尺寸与曝光波长成正比,与投影光学系统的数值孔径 (NA) 成反比 T2。当使用浸没式工具的光刻技术达到其理论缩放极限时,由于光的衍射极限,通过单次曝光打印密集的亚分辨率图案
揭秘 CMOS 图像传感器中的浮动扩散区:物理机制、工艺集成与微缩挑战
引言 在固态成像领域,互补金属氧化物半导体(CMOS)图像传感器(CIS)已完全取代电荷耦合器件(CCD),成为消费、工业和科学应用领域的主流技术 P1, P2。现代有源像素传感器的核心,特别是那些采用工业标准四晶体管(4T)钉扎光电二极管(PPD)架构的传感器,其核心是一个被称为浮动扩散(FD)的关键电学节点 P1。
掌握 P+ 接触注入:物理机制、工艺工程与技术节点演进
引言 在现代半导体制造中,建立与硅衬底之间高度可靠、低电阻的电气连接是确保集成电路(IC)性能稳定的基础要求 T2。P+ 接触注入(P+ contact implant)是前段工艺(FEOL)流程中的一个关键步骤,旨在在接触插塞正下方形成高掺杂的 p 型区域 A1。这一局部高浓度区域对于将原本具有整流特性的金属-半导体
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
自对准接触(SAC)技术:原理、工艺集成与先进节点演进
引言 随着摩尔定律的不断推进,集成电路物理尺寸的缩小已将光学光刻技术推向其物理极限 T2。当晶体管从平面架构过渡到三维结构(例如鳍式场效应晶体管 (FinFET))时,关键特征的各向空间容差大幅缩减 P1。在这些特征中,连接晶体管有源源极/漏极区域与后段工艺 (BEOL) 金属化层的电接触点(Contact)是最难进行
揭秘多晶硅开路抛光 (Poly Open Polish):原理、机制与先进制程集成
引言 在现代半导体制造中,从传统的氧化物基栅极向先进晶体管架构的转变,必然要求前段工艺(FEOL)和中段工艺(MOL)进行革命性的变革 T2。在这些创新中,替代金属栅极(RMG)方案(通常称为后栅极工艺)已成为制造高性能逻辑器件的基石 P1。实现该集成方案的一个关键工艺步骤是多晶硅开窗抛光(Poly Open Poli