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Wet Etching in Nanofabrication

Physical Science
Education Level
High School
Middle School
This two part lesson will help students understand how chemical reactions are used to create the specific shapes on surfaces of crystalline materials, which make up functional components within electronics. Many nanoscale electronic components are sculpted using a variety of processes. This lab focuses on one aspect of a selective layering nanofabrication process called wet etching, which simply involves putting a material in a liquid solution (often an acid) which dissolves that material. The fabrication of electronic devices is now into the nanoscale with the capability of more transistors on a single chip.
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