The concept of glass substrates continues its strong momentum, with Vogt Photonics hitting 5 consecutive daily limit-ups in 8 days, setting a new all-time high.

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Mars Finance News: On April 20, it was reported that the glass substrate concept continued to show strength. Vog Optoelectronics posted 5 consecutive daily limit-ups over 8 trading days, setting a new historical high. Dier Laser rose by more than 10%, Rainbow Shares neared the daily limit-up, and GobiKa, Medikai, Leeman Optoelectronics, and Wufang Optoelectronics surged. In related news, TSMC said it is building a pilot production line for CoPoS packaging technology and expects it to enter mass production in a few years. Industry insiders noted that TSMC is extending the CoWoS technology roadmap to CoPoS, with a long-term goal of replacing the silicon intermediary layer with a glass substrate to reduce costs, improve production capacity efficiency, and meet the substantial demand from AI chip customers. (Keji Bao Broadcast)

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