An example of directional etching for nanohole arrays of less than 500nm in diameter. (Image: A*STAR Institute of Materials Research and Engineering) Wet etching can be classified into two main types ...
What is Atomic Layer Etching? Atomic layer etching (ALE) is a highly controlled and selective etching technique that removes material layer by layer at the atomic scale. It is a cyclic process that ...
The latter, which were in the form of rolled foil, were all of a similar nominal purity grade—sold as “99.8% Al”—and were given an identical etching treatment. With some of them the attack ...
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Indigenous artists have traditionally used baleen for carving, etching, weaving baskets and making jewelry, artwork and miniature ships. The Tuesday workshop brought together people from the ...