Recent advances and future developments in PVA brush scrubbing cleaning: a review

S Zhang, F Wang, B Tan, W Li, B Gao, Y He - Materials Science in …, 2022 - Elsevier
As semiconductor integrated circuits (SICs) have been developed to scale down to obtain
higher integration and better performance, more chemical mechanical polishing (CMP) …

A review on the development of ceria for chemical mechanical polishing

J Ma, N Xu, J Cheng, Y Pu - Powder Technology, 2024 - Elsevier
Chemical mechanical polishing (CMP) is widely used as an ultra-precision machining
technology, which determines the final fabrication accuracy of the device. CeO 2 abrasives …

Effect of complexing agent on ceria particle removal in post-STI CMP cleaning process

M Yan, B Tan, S Zhang, W Li, J Ji, Z Liu… - Colloids and Surfaces A …, 2023 - Elsevier
Ceria (CeO 2) abrasive is extensively used in the chemical mechanical polishing process
(CMP) for shallow trench isolation (STI) owing to its capability to form Ce-O-Si bonds with the …

Investigation of abrasive-free slurry for polysilicon buffing chemical mechanical planarization

S Jeon, J Hong, S Hong, C Kanade, K Park… - Materials Science in …, 2021 - Elsevier
Abrasive-free slurries which control polysilicon removal and surface roughness are highly
desirable for polysilicon buffing chemical mechanical planarization (CMP). Here, we show …

Tangential flow filtration of ceria slurry: Application of a single-pass method to improve buff cleaning

J Lee, H Seo, SH Park, E Kim, J Lee, P Liu… - Materials Science in …, 2022 - Elsevier
Ceria slurries are used in the oxide chemical mechanical polishing (CMP) process due to
their high polishing performance and selectivity characteristics. However, it takes great effort …

Effect of viscosity on ceria abrasive removal during the buff clean process

J Kim, S Hong, E Kim, J Lee, D Kwak… - ECS Journal of Solid …, 2020 - iopscience.iop.org
In this study, the effect of viscosity on ceria abrasive removal during the buff clean process
was investigated. First, a numerical simulation was performed to observe the shear stress on …

Communication—effect of hydrogen water on ceria abrasive removal in post-CMP cleaning

S Hong, SH Park, C Kanade, J Lee, P Liu… - ECS Journal of Solid …, 2020 - iopscience.iop.org
In the present study, hydrogen water was applied to ceria abrasive removal in post-CMP
cleaning. The surface of the ceria abrasive was reduced by the hydrogen water from the Ce …

Capability and efficiency of droplets in removing nanoparticle contaminants from Si wafer via high-speed microdroplet impaction

J Park, S Lee, J Kim, D Lee - Aerosol Science and Technology, 2024 - Taylor & Francis
The high-speed impact of liquid microdroplets has emerged as a promising method to
eliminate nanoparticle contaminants from semiconductor wafer surfaces. However, existing …

Effects of Gas-Dissolved Water for Ceria Nanoparticles on the SiO2 Film Surface in Post-CMP Cleaning

K Park, W Jeon, P Liu, S Jeon, S Hong… - ECS Journal of Solid …, 2024 - iopscience.iop.org
As a trend of using colloidal and smaller ceria nanoparticles (CNPs) at the shallow trench
isolation (STI) chemical mechanical polishing (CMP) in semiconductor manufacturing, post …

Static and dynamic interaction between polyvinyl acetal brushes and flat surfaces—Measuring near-surface brush volume ratio and nodule volume change for moving …

A Hosaka, Y Mizushima, S Hamada, R Koshino… - Microelectronic …, 2022 - Elsevier
The cleaning mechanism for brush scrubbing, known as the contact-type cleaning method,
utilizes the direct contact of impurities onto brushes or brush-induced fluid flow depending …