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] Group 1: Company Developments - Tianyue Advanced is a leading player in the production of 8-inch conductive silicon carbide substrates, being one of the few companies capable of mass production [1] - The company has established a product matrix for silicon carbide substrates, including 6/8/12-inch variants, which positions it favorably in the market [1] - The group is actively promoting the transition of major clients to 8-inch silicon carbide substrates, indicating strong demand and market positioning [1] Group 2: Industry Trends - NVIDIA plans to replace silicon with silicon carbide in the intermediate substrate of 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, highlighting the industry's shift towards advanced materials [1] - The first generation of NVIDIA's Rubin GPU will still use silicon substrates, but the transition to silicon carbide is driven by the need to manage heat in high-performance chips [1]