Wet etching is a chemical etching process used in metal fabrication, where material is selectively removed from a metal substrate using liquid chemicals. Its epoch-making significance lies in its ability to achieve highly precise and intricate patterns on metals, enabling the production of complex microstructures, integrated circuits, and other advanced components used in modern electronics and semiconductor industries. Wet etching's efficiency and versatility have revolutionized metal fabrication, enabling the miniaturization and advancement of electronic devices and technology.
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