Results 1 to 10 of about 164 (86)
Membranes, 2023 As the semiconductor industry has grown tremendously over the last decades, its environmental impact has become a growing concern, including the withdrawal of fresh water and the generation of harmful wastewater. Tetramethylammonium hydroxide (TMAH), one
Juyoung Lee +3 more
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A Study on Oxidation of Tetramethylammonium Hydroxide (TMAH) using UV/Persulfate
대한환경공학회지, 2020 Objective:In order to efficiently remove TMAH from the wastewater generated by the TFT-LCD manufacturing process, the oxidation of TMAH was tested by applying an UV/persulfate.
Hyo-yeon Choi, Daewon Pak
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Energies, 2021 TMAH is quaternary ammonium salt, consists of a methylated nitrogen molecule, and is widely used in the electronics industry as a developer and silicon etching agent. This substance is toxic and fatal if ingested. It can also cause skin burns, eye damage,
Valentina Innocenzi +3 more
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Data in Brief, 2022 Densities for various Tetramethylammonium hydroxide (TMAH) solutions at different temperatures have been determined based on Archimedes’ principle using a hydrostatic balance and a vitreous body with a defined volume. Due to the toxicity of the compound,
Josef Diebold +3 more
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BMC Pharmacology and Toxicology, 2020 Background Tetramethylammonium hydroxide (TMAH) is a quaternary ammonium compound that is both a base corrosive and a cholinergic agonist, and it is widely used in the photoelectric and semiconductor industries.
Chih-Kang Huang +6 more
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Fabrication of Sio2-based microcantilevers by anisotropic chemical etching of (100) single crystal Si [PDF]
Journal of the Serbian Chemical Society, 2007 The undercutting process of thermal SiO2 microcantilevers with different orientations on (100) Si wafer was studied. The silicon substrate was removed by anisotropic chemical etching with a 25 wt. % aqueous solution of TMAH or a 30 wt.
Jović Vesna +3 more
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Mapping gaseous dimethylamine, trimethylamine, ammonia, and their particulate counterparts in marine atmospheres of China’s marginal seas – Part 2: Spatiotemporal heterogeneity, causes, and hypothesis [PDF]
Atmospheric Chemistry and Physics, 2022 Spatiotemporal heterogeneities in the concentrations of alkaline gases and their particulate counterparts in the marine atmosphere over China's marginal seas were investigated in terms of causes and chemical conversion during two winter cruise campaigns,
Y. Gao +8 more
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Insights Into the Influence of Sidewall Morphology on the Light Extraction Efficiency of Mini-LEDs
IEEE Photonics Journal, 2019 We systemically investigated the influence of sidewall morphology change based on TMAH etching on the optical performance of mini-LEDs. The dominant feature of prism structures on the sidewall of mini-LEDs with TMAH etching treatment varied from ...
Bin Tang +5 more
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Effects of curing condition and particle size of aggregate on the expansion and microstructure of dolomitic aggregates cured in TMAH solution [PDF]
Royal Society Open Science, 2019 In this paper, the modified microbars prepared by dolomitic aggregates with three kinds of particle size and self-made cement without K+ and Na+ were cured in 1 and 2 N tetramethyl ammonium hydroxide (TMAH) solution at 20°C, 60°C and 80°C, respectively ...
Bin Yang, Xiaoxiao Chen, Min Deng
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Petroleum Research, 2022 This study investigated efficiency of tetramethyl ammonium hydroxide pentahydrate (TMAH) in removal of heavy metal ions from heavy oils obtained from Nigerian oil sands by Soxhlet-extraction technique.
Festus M. Adebiyi, PhD, Reuben O. Yoade
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