Learning About Technology
How Chips are Made
Introduction
Preparation
Fabrication
Layering
Etching
Layers
Ion Implantation
Layers Upon Layers
Multiple Processors
Packaging
Glossary
Etching
The gooey photoresist is completely dissolved by a solvent. This reveals a pattern of photoresist made by the mask on the silicon dioxide.
The revealed silicon dioxide is
etched
away with chemicals.
The rest of the photoresist is removed. This process leaves ridges of silicon dioxide on the silicon wafer base.
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