ASE Technology Holding Co., Ltd. (NYSE: ASX) is a leading provider of outsourced semiconductor assembly and test (OSAT) services, offering comprehensive back-end solutions for semiconductor manufacturers worldwide. The company specializes in a full range of packaging and testing technologies designed to meet the evolving performance, power and cost requirements of modern integrated circuits. Its core offerings include flip-chip, wire-bond, wafer-level and system-in-package (SiP) solutions, as well as advanced fan-out and 2.5D/3D through-silicon via (TSV) platforms.
In addition to its packaging expertise, ASE Technology delivers extensive testing services, including wafer probe, final test, reliability screening and burn-in. The company complements its manufacturing capabilities with design enablement and engineering support, working closely with semiconductor fabricators to optimize package designs and yield across a wide spectrum of device types such as logic, memory, analog, sensor and power management ICs. Continuous investment in research and development has enabled ASE to introduce high-density substrate technologies, heterogeneous integration and miniaturized module assemblies for emerging applications.
Headquartered in Kaohsiung, Taiwan, ASE Technology operates an international network of facilities across Asia, North America and Europe. Its manufacturing footprint spans Taiwan, China, Malaysia, Singapore, South Korea, Japan and the United States, ensuring flexible capacity and local support for customers in key end markets. The company’s services underpin a broad range of industries including automotive electronics, 5G and networking, data center computing, consumer devices and industrial automation, making it a strategic partner for many of the world’s top semiconductor companies.
Founded in 1984 as one of the first dedicated OSAT providers, ASE Technology has grown through organic expansion and targeted investments in advanced packaging technologies. The company’s seasoned management team and board of directors bring decades of collective experience in semiconductor manufacturing and global operations. By maintaining a strong focus on innovation, quality and operational excellence, ASE continues to enhance its capabilities and support the technological advancement of its customers worldwide.
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