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                              | Developed the capability for mass production of Multilayer Printed Circuit Board(PCB) for 
                                   semiconductor testing(ATE equipment) which can be applied to less than 15um of laminating registration.(Star Company Promotion Project from Gyeonggi-Do)
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                              |  | Developed the mass production 
                                technology for the semiconductor testing PCB which 
                                below 0.4mm pitch with electro gold plating. (Cooperating 
                                with Gyeonggi College of Science and technology.) |   
                              |  |  |   
                              |  | Developed the 0.35mm pitch SOC 
                                TYPE MOTHER BOARD for semiconductor testing. (Cooperating 
                                with Korea Polytechnic University) |  | 
                       
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                              | Patent application: 
                                  Hyper multi-layer PCB and method for production 
                                  the hyper multi-layer PCB(The application number: 10-2013-0119196)
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                              | Patent application: 
                                  Method for production hyper multi-layer using 
                                  pre-etching with conductive coating.(The application number: 10-2013-0116341)
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                              |  | Developed multi-functional wiring 
                                material for Superhigh frequency mobile package.(Cooperating 
                                with Korean Institute of Industrial Technology 
                                and Dong-Yang Ink.) |   
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                              |  | Patent application/Registration: 
                                Riveting Machine and Control method for the riveting 
                                machine (The application number: 10-2012-0115344)
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                              | Patent application 
                                  - Shocking and oscillation facility for PCB. 
                                  (The application number: 10-2010-0127072) | 
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                              | Developed 
                                  Aspect Ratio over 26:1 Cu plating technology 
                                  for mass production.  | 
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                              | Established 
                                  quality insurance and inspection system. | 
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                              |  | Developed a simulation program 
                                to proceed 1.5um electro hard gold plating technology 
                                for PCB. (Cooperating with Korea Polytechnic University) |  |