封装基板，全线爆满

Group 1 - The core viewpoint of the article highlights the increasing production line utilization rates of semiconductor packaging substrates by Samsung Electro-Mechanics and LG Innotek, driven by the AI semiconductor supercycle and the growing demand for high-value products [2] - Samsung Electro-Mechanics reported an average production line utilization rate of 70% for semiconductor packaging substrates last year, up from 65% the previous year, marking a 5 percentage point increase [2] - LG Innotek's average production line utilization rate for semiconductor substrates was 80.8% last year, an increase of 5.2 percentage points from 75.6% the previous year [2] Group 2 - The demand for high-value storage chips such as DRAM, NAND, and high bandwidth memory (HBM) has surged due to significant investments by major IT companies in AI data centers [2] - The supply of general storage chips has tightened due to conservative equipment investment strategies by storage manufacturers, leading OEMs to actively stockpile storage chips [2] - The AI semiconductor market, led by Nvidia, is experiencing changes as major cloud service providers like Google, AWS, Meta, and Microsoft invest heavily in self-developed AI semiconductors, increasing the demand for AI semiconductor substrates [3] Group 3 - The FC-BGA (Flip Chip Ball Grid Array) business, a type of high-value semiconductor packaging substrate, is gaining attention due to its superior electrical and thermal performance compared to traditional packaging methods [3] - Executives from both Samsung Electro-Mechanics and LG Innotek emphasized the strong market demand for FC-BGA at CES 2026, with expectations for production line utilization rates to approach nearly 100% this year [3] - Both companies are considering expansion plans for FC-BGA production to meet the anticipated continued growth in semiconductor packaging substrate demand [3]