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Technological Paradigms Based on Patent Citation Network——A Case of Semiconductor Device Manufacturing
Received date: 2012-10-27
Revised date: 2013-01-11
Online published: 2013-02-20
Heuristics is indicated as the characteristics of technological paradigm. Taking the discontinuity and stability of heuristics as entry points, the development and evolution of technological paradigms and technological trajectories of the semiconductor device manufacturing are analyzed based on patent citation network. Firstly, this paper collects 55 229 patents about semiconductor device manufacturing which was granted between 1976 to 2006 from the database of United States Patent and Trademark Office. Then it queries from the patent data set NBER to get patent citation relations and uses the network analysis software Pajek to build patent citation network. Secondly, search path link count and search path node pair is applied to calculate the connectivity weight of patent citation path, and the technological evolutionary trajectories are extracted. Thirdly, taking technological evolutionary bifurcations as entry points, the various development stages of semiconductor device manufacturing technology are defined from the perspective of evolutionary trajectories’ continuity and stability. This paper analyzes the scope, technological background and solutions of patents in these development stages, in order to refine technological heuristics and analyze the technological paradigms and their evolution. Finally, the further research work is prospected.
Xu Qi . Technological Paradigms Based on Patent Citation Network——A Case of Semiconductor Device Manufacturing[J]. Library and Information Service, 2013 , 57(04) : 112 -119 . DOI: 10.7536/j.issn.0252-3116.2013.04.020
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