This study aimed to comprehensively analyze China’s advanced semiconductor innovation capabilities, focusing on policy support systems, High Bandwidth Memory (HBM), and third-generation semiconductors, and suggest response strategies for South Korea.

The analysis revealed the following characteristics of China’s advanced semiconductor innovation. First, China’s research in high-bandwidth memory has shown rapid growth since 2015, with strong research groups centered around Huazhong University of Science and Technology and Tsinghua University. Research topics have expanded from application technologies like GPU computing and system performance optimization to fundamental technologies such as hardware acceleration and architecture design.

Second, China’s HBM research has been developing through systematic research networks. Co-author network analysis revealed close collaboration systems between major universities, companies, and research institutes. Notably, Chinese researchers affiliated with overseas institutions, particularly in the United States, are actively conducting joint research with domestic researchers, transferring global-level research capabilities.

Third, in terms of future fundamental technology research, systematic support is being provided through the National Natural Science Foundation. Between 2019-2022, 474 semiconductor-related projects were supported, with general projects and young scientist fund projects accounting for about 45%, indicating a focus on nurturing next-generation research personnel. Additionally, according to the State-owned Assets Supervision and Administration Commission’s analysis of state-owned enterprise performance, among 49 advanced semiconductor-related products, core electronic components were the most numerous with 18 items, and 14 products were evaluated to have reached international leading levels.

Fourth, in the third-generation semiconductor field, systematic technology independence is being pursued through the National Semiconductor Technology Innovation Center and China Advanced Semiconductor Industry Innovation Strategic Alliance (CASA). Through the ‘1+N+X’ open joint construction and collaborative innovation operating model, they are promoting organic linkages between basic research, applied research, and industrialization, while focusing support on the localization of core materials such as SiC and GaN and linkages with demand industries like electric vehicles and renewable energy.

In response to these Chinese innovation trends, Korea needs the following strategies. First, to maintain its current competitive advantage in the HBM field, there needs to be a shift from manufacturing-centric to design-manufacturing integrated innovation. As shown in the research network analysis, while Korea is concentrated on hardware manufacturing technology, China shows a comprehensive approach at the system level, making it urgent to secure comprehensive technological capabilities through strengthening design capabilities. Second, diversification of global research networks is necessary. Co-author network analysis showed that while Korea actively researches with traditional partners like the US and Japan, collaboration with emerging research entities like India and Singapore is limited. New innovation opportunities need to be created through diversifying research collaboration partners.

Third, in the third-generation semiconductor field, a comprehensive strategy encompassing fundamental technology development, applied technology acquisition, and market expansion is needed. Particularly, as China provides many incentives for the spread of products based on domestic technology in addition to technical support, Korea also needs to introduce policies supporting market demand creation and technology diffusion along with technology advancement.

Finally, to enhance the effectiveness of these strategies, systematic government support including industry development stage-specific support policies, strategic R&D investment considering technological characteristics and timeliness, and talent development is necessary. In particular, policy focus should be placed on building an innovation ecosystem connecting basic research to commercialization and strengthening global cooperation networks.