Results 221 to 230 of about 189,870 (274)
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Microfabrication of Si and GaAs by Plasma Etching Process Using Bacterial Cells as an Etching Mask Material

open access: closedJapanese Journal of Applied Physics, 2012
We demonstrated that bacterial cells can be used as a mask material for microfabrication of GaAs and Si by a Cl2 inductively coupled plasma (ICP) etching process. The etching rate of Escherichia coli cells was similar to that of electron beam resist or nanoimprint resist. We also demonstrated the degradation of bacterial cells by low-pressure plasma
Akihiro Matsutani, Ayako Takada
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Microfabrication of crosslinked polytetrafluoroethylene using synchrotron radiation direct photo-etching

open access: closedApplied Surface Science, 2002
Abstract High aspect-ratio (more than 10) microfabrication of crosslinked polytetrafluoroethylene (PTFE) has been carried out using synchrotron radiation (SR) direct photo-etching. The etching rates of crosslinked PTFE samples with various crosslinked densities were studied by changing photon fluence of SR at different sample temperatures.
T. Katoh   +6 more
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3D microfabrication in YAG crystals by direct laser writing and chemical etching

2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR), 2013
We report selective etching of mm-length direct laser written three-dimensional microstructures inside Nd:YAG crystals. The structures exhibit enhanced etching selectivity compared to unmodified YAG. Origin of this selectivity is investigated using Nd3+ micro-spectroscopy and micro-Raman.
Debaditya Choudhury   +4 more
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Si etching in high-density SF6 plasmas for microfabrication: surface roughness formation

open access: closedMicroelectronic Engineering, 2004
Silicon etching and Si surface-roughness formation in high density SF 6 plasmas was studied. Etching rates and surface roughness were measured and correlated with ion flux and neutral F atom flux measured in situ. Etching rates are an increasing function of F atom flux, while surface roughness is not a monotonic function of F atom flux, or the etching
Εvangelos Gogolides
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Plasma-Assisted Etching in Microfabrication [PDF]

open access: possibleAnnual Review of Materials Science, 1983
It has long been recognized that a molecular gas glow discharge is a prolific source of chemically active radicals. However, it was not until the last twenty years or so that glow discharges were used to provide active radicals for the etching of solid materials.
J. W. Coburn, Harold F. Winters
openaire   +1 more source

Microfabrication for Si wafers by FAB etching

Applied Surface Science, 1993
Abstract Fast atom beam (FAB) etching is useful for microfabrication of insulators or composite materials with metals and semiconductors because of the electric neutral property. The FAB source for a large diameter of (8 inch) FAB has been developed and the characteristics have been studied by spectroscopic and other methods.
H. Suzuki, T. Satake, T. Nishimura
openaire   +2 more sources

Microfabrication of Glassy Carbon by Electrochemical Etching

Journal of The Electrochemical Society, 2004
Due to the broad impact of microfabrication technology on chemistry and biology, new methods to pattern and etch a variety of materials are being explored in a number of laboratories. We have developed a method for the etching of glassy carbon (GC) that opens pathways for the creation of new electrode patterns and devices.
Mark T. McDermott   +2 more
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