While Samsung Electro-Mechanics already operates a glass substrate pilot line at its Sejong plant, the company has taken another key step toward scaling up production. According to IT! Chosun, it has signed a definitive agreement with Dongwoo Fine-Chem, a subsidiary of Japan’s Sumitomo Chemical Group, to establish a joint venture producing “glass core” for next-generation substrates. As highlighted by IT!Chosun, the two parties will proceed with the necessary procedures to formally establish the entity within the year, with full-scale operations sc...