Super fine cerium hydroxide abrasives for SiO2 film chemical mechanical planarization performing scratch free

YH Son, GP Jeong, PS Kim, MH Han, SW Hong… - Scientific Reports, 2021 - nature.com
Face-centered-cubic crystallized super-fine (~ 2 nm in size) wet-ceria-abrasives are
synthesized using a novel wet precipitation process that comprises a Ce4+ precursor …

Real-Time Prediction of Removal Rate and Friction Coefficient During Chemical Mechanical Polishing Using Motor Load Currents with a Polisher

M Uneda, S Ota, S Takiguchi… - ECS Journal of Solid …, 2023 - iopscience.iop.org
Herein, a method for predicting real-time removal rate and friction coefficient between the
pad and substrate during chemical mechanical polishing was investigated using only the …

New CMP processes development and challenges for 7nm and beyond

H Huang, D Koli, JH Zhang, S Tsai… - 2018 China …, 2018 - ieeexplore.ieee.org
Either new material or new integration usually requires a new CMP process. CMP is still
growing for CMOS applications. And many newer applications are now also being …

Mechanism Research and Improvement of AL Scratch Defect Based on MG CMP

Q Duan, H Li, M Yu, H Zhang… - 2024 Conference of …, 2024 - ieeexplore.ieee.org
In the High-K Last process, MG CMP (Metal Gate Chemical Mechanical Planarization) is
required to precisely control the height of the gate and the surface flatness. Defects such as …

Research and Improvement Of Metal Residues in High-K Metal Gate Process Based on CMP Process

Q Duan, J Zhang, Q Hong, W Zhang… - 2021 China …, 2021 - ieeexplore.ieee.org
In the gate last process, also known as replacement metal gate (RMG), amorphous silicon in
the dummy gate should be removed first, then work function metal and metal gate should be …