Some of the strongest testimony has been etched in drawings made in the children's support centres that UNICEF has opened in Darfur.
We find that the reactive ion etch conditions have a strong influence on the radiative efficiency in the grating region.
In contrast, FIB and CL techniques require neither the etch step nor a strong post-processing surface cleaning.
Avoid strong or concentrated acids, which can etch and weaken the underlying metal.
Among of them, etch resistance of block copolymer is inherently not strong enough as an etch mask to produce desirable nanostructures during pattern transfer using plasma etch.
A strong dependence of δZ on the amount of bulk etch (B) was seen.
The absolute and relative etch rates of different crystallographic planes are usually strong function of the etchant type, concentration and etching temperature.
To obtain strong index guiding and to suppress current spreading, careful balance between etch depth and ridge width should be accomplished [22].
Due to the strong Si C bonds, conventional chemical wet etching solutions are inefficient on SiC, so plasma methods are required to etch SiC.
Be aware of any strong acids in the pigments or cleaner, such as oxalic acid (metal cleaner) as these may etch the glass.
