Photolithography study for high-density integration technologies
2016
In recent years, demand for high-density integration of semiconductor chips has steadily increased due to miniaturization and high-performance requirements of electronics including Smartphones and Tablet PCs. In addition to 3D integration using Through-Silicon Via (TSV) technology and 2.5D integration technology using silicon interposers, Fan-Out Wafer Level Packaging (FOWLP) using redistribution processes over chip size has become a hot topic these days. Canon has identified key challenges that must be solved for successful implementation of high-density integration technologies into mass production and to meet these challenges, Canon developed the FPA-5510iV i-line lithography tool which is now widely used at customer sites. In this paper, we will explain details of FPA-5510iV features that support high-density integration, additional challenges that must be solved for successful implementation of high-density integration technologies in mass production and Canon's efforts to solve the remaining challenges.
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