Infineon Opens Semiconductor Back-End Facility in Thailand with $1.4 Billion Investment
Infineon has opened a back-end semiconductor assembly and testing plant in Thailand, investing $1.4 billion to enhance regional supply chain resilience.
German semiconductor manufacturer Infineon Technologies inaugurated a back-end assembly and testing facility in Bang Bo, Samut Prakan Province, Thailand, marking a $1.4 billion project aimed at strengthening semiconductor supply chains in Southeast Asia.
Quick Skim
Facility Design and Strategic Objectives
The initial investment for the plant exceeded €100 million (approximately $112.5 million), with a cleanroom area currently spanning 30,000 square metres and planned expansion capacity up to 150,000 square metres. Infineon’s Chief Operating Officer Alexander Gorski noted the project’s strategic importance, highlighting Thailand’s geographic proximity to key markets such as China.
Infineon operates a global network of 13 manufacturing sites and anticipates leveraging increased cleanroom capacity to potentially double its revenue. The Thailand facility complements an existing site in Malaysia, providing dual-sourcing options intended to maintain production stability in the event of disruptions at either location.
Implications for Thailand’s Semiconductor Industry
The Board of Investment (BOI) of Thailand views Infineon’s expansion as supportive of the country’s semiconductor industry ambitions. BOI Secretary-General Narit Therdsteerasukdi outlined Thailand’s long-term strategy focusing on photonics, power semiconductors, and sensors, targeting semiconductor investments of US$18 billion by 2030.
Between 2023 and July 2026, Thailand has attracted approximately THB 910 billion (around $27.1 billion) in semiconductor and advanced electronics investments. The country is simultaneously advancing workforce development plans to cultivate about 85,000 skilled workers and over 1,700 researchers by 2030 to support industry growth.
Regional Market Context and Supply Chain Resilience
Global semiconductor sales are expected to reach US$1 trillion in 2024, propelled by demand for data centres and AI technology, with forecasts indicating growth to US$2 trillion by 2035. Thailand faces competition for semiconductor investments from neighbours including Malaysia and Vietnam.
Infineon’s Thailand facility enhances supply chain diversification in the region, providing resilience against geopolitical risks and natural disasters by enabling alternative production capacities between Thailand and Malaysia.
According to Infineon, the new facility is integral to their strategy of stabilising supply and supporting customers through flexible manufacturing sites in Southeast Asia.


