Lecture

Lithography: Nanoscale Patterning Techniques

Description

This lecture covers the fundamental concepts of lithography, a crucial step in microfabrication, enabling the patterning of surfaces at the nanoscale using photons or electrons. It explores the history of semiconductor technology, from the early days of integrated circuits to the current challenges and trends in nanofabrication methods. The lecture delves into the lithography process flow, exposure methods, resolution enhancement techniques, and the importance of depth of focus in photolithography. It also discusses technologies like immersion lithography, optical proximity correction, and phase shift masks, highlighting their role in achieving high-resolution patterning for cost-efficient production.

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