Core Viewpoint - Tianyue Advanced (02631) has seen its stock price increase by over 15%, reaching a new high of 48.96 HKD, driven by advancements in silicon carbide (SiC) substrate technology in the semiconductor industry [1] Company Summary - Tianyue Advanced is positioned as a leading player in the production of 8-inch conductive silicon carbide substrates, being one of the few companies capable of mass production in this area [1] - The company has developed a comprehensive product matrix for silicon carbide substrates, including 6/8/12-inch variants, which consist of 12-inch high-purity semi-insulating, 12-inch conductive P-type, and 12-inch conductive N-type silicon carbide substrates [1] Industry Summary - NVIDIA plans to transition from silicon to silicon carbide for the intermediate substrate material in its next-generation Rubin processors to enhance performance, with a target implementation by 2027 [1] - TSMC is collaborating with various manufacturers to develop the manufacturing technology for silicon carbide intermediate substrates, indicating a significant industry shift towards this material [1]