Abstract：Under a competitive environment,technical cooperation of the global industrial chain is limited.The analysis and identification of technical blockage points plays an important role in preventing major technological risks,breaking through technological barriers,and constructing independent and controllable industrial chains.From the perspective of patents,combined with the US export control list,using text analysis,comparative analysis,and LDA topic modeling,the research compares the technological competitive state of the industrial chain,and builds a framework that integrates different data sources for related analysis.The industry chain positioning is carried out on core technology blocking points that are in urgent need of breakthrough but subject to technical limitations.The intrinsic relationship between core patent competition and export control policies is deeply analyzed. Empirical research in the field of integrated circuit has found that there are core technology blockages in China in the fields of digital computing equipment,printing equipment and lithography technology.The corresponding industrial chains are manufacturing equipment and materials.There is a problem of core patents being blocked in advance.Innovation in materials and technical routes can be used as a way to break through technological blockades and achieve independent controllability.The research provides an effective analysis framework for the discovery of industrial core technology blockages under the background of international competition.
张桐赫, 何海燕, 孙磊华, 张亚东. 产业链核心技术堵点识别与分析研究——以芯片产业为例[J]. 中国科技论坛, 2024(1): 38-49.
Zhang Tonghe, He Haiyan, Sun Leihua, Zhang Yadong. Identification and Analysis of Core Technology Blockage Points in the Industrial Chain ——Taking the IC Industry as an Example. , 2024(1): 38-49.
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