April 13, 2023

The Impact of Metal Gate Recess Profile on Transistor Resistance and Capacitance

Introduction In logic devices such as FinFETs (field-effect transistors), metal gate parasitic capacitance can negatively impact electrical performance. One way to reduce this parasitic capacitance is to optimize the metal […]
November 8, 2022

In situ Metrology for Etch Endpoint Detection

Introduction The semiconductor industry has been focused on scaling and developing advanced technologies using advanced etch tools and techniques. With decreasing semiconductor device dimensions and increases in process complexity, the […]
August 19, 2021

Performing High Accuracy Capacitance Analysis using SEMulator3D

Netlist Extraction is an important SEMulator3D® capability that allows a user to extract parasitic resistance and capacitance for different line and via segments during process modeling. This detailed electrical netlist […]
July 21, 2020

Process Model Calibration: The Key to Building Predictive and Accurate 3D Process Models

Process engineers and integrators can use virtual process modeling to test alternative process schemes and architectures without relying on wafer-based testing. One important aspect of building an accurate process model […]
May 21, 2019

Challenges and Solutions for Silicon Wafer Bevel Defects during 3D NAND Flash Manufacturing

As semiconductor technology scales down in size, process integration complexity and defects are increasing in 3D NAND flash, partially due to larger stack deposits and thickness variability between the wafer […]