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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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
doaj +1 more source
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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Polymer Dissolution Model: An Energy Adaptation Of The Critical Ionization Theory [PDF]
, 2009 The current scale of features size in the microelectronics industry has reached the point where molecular level interactions affect process fidelity and produce excursions from the continuum world like line edge roughness (LER).
Bonnecaze, R. T. +5 more
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
Design, fabrication, and testing of silicon microgimbals for super-compact rigid disk drives [PDF]
, 1995 This paper documents results related to design optimization, fabrication process refinement, and micron-level static/dynamic testing of silicon micromachined microgimbals that have applications in super-compact computer disk drives as well as many other ...
Hsieh, Wen H. +4 more
core +1 more source
Recrystallized parylene as a mask for silicon chemical etching [PDF]
, 2008 This paper presents the first use of recrystallized parylene as masking material for silicon chemical etch. Recrystallized parylene was obtained by melting parylene C at 350°C for 2 hours.
Kuo, Wen-Cheng +3 more
core +2 more sources
Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]
, 2006 Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Amblès, André +8 more
core +8 more sources