The investment was disclosed during Doosan Group chairman Park Jeong-won's trip to the factory of Doosan Tesna in Anseong, 45 kilometers (28 miles) south of Seoul. Doosan Tesna will build a new plant for completion in late 2024 as part of efforts to expand its semiconductor ecosystem such as test equipment and advanced packaging.
"Along with existing core businesses such as energy and machinery, semiconductors will be another growth axis," Park said in a statement on June 15. "We will spare no investment so that Doosan Tesna will become the top partner in the domestic system semiconductor field and grow into the top five global semiconductor testing field within five years."
Tesna used to be South Korea's top wafer test company and provides test services for various semiconductors used in mobile devices, automobiles, appliances, industry, security, and other sectors. Tesna's main customers are South Korea's two major semiconductor companies, Samsung Electronics and SK Hynix, which have expanded investments in their foundry businesses.
In March 2022, Doosan Group acquired a controlling 38.7 percent stake in Tesna for 460 billion won, saying that demands for semiconductors will grow in line with the rapid introduction of advanced technologies such as artificial intelligence, big data, electric vehicles and autonomous driving.
The group aims to nurture Tesna as a key system semiconductor company. The system semiconductor industry consists of Fabless companies with only design and development functions, foundry companies dedicated to manufacturing under consignment, and outsourced semiconductor assembly and test (OSAT) companies that assemble, test and package processed wafers.
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