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Performance of Government-funded Tasks

No. Task Name Supported
by		 Development Type Period Result of Evaluation
1 Development of technology about AL thin film deposition of rare earth permanent magnetic by ion plating SMBA Developed by Sunglim only 1996-1997 Success
2 Development of stack of fuel cell in 25KW MCFC type SMBA Joint development 1997-2001 Success
3 Development of AL thin film facilities-related technologies of permanent magnetic of Nd-Fe-B type SMBA Developed by Sunglim only 1998-1999 Success
4 Development of multi-axial processing technologies and facilities of Nd-magnet for cellphone vibration motor SMBA Developed by Sunglim only 2000-2001 Success
5 Development of technologies and facilities-related automation of VCM assembly for HDD SMBA Developed by Sunglim only 2001-2003 Success
6 Development of high corrosion-resisting surface treatment technologies of magnetic of Fe-B-X type Ministry of Commerce, Industry and Energy Developed by Sunglim only 07.01.2002-06.30.2004 Success
7 Development of stack of fuel cell in 100KW MCFC type SMBA Joint development 2001-2003 Success
8 Development of metal matrix composites for the reinforcement of carbon nanofibers SMBA Joint development 2002-2005 Success
9 Development of stack of fuel cell in 250KW MCFC type SMBA Joint development 2003-2005 Success
10 Treatment of surface of rare-magnet for Voice Coil Motor of HDD SMBA Developed by Sunglim only 04.01.2003-03.31.2004 Success
11 Improvement of component assembly process for HDD SMBA Developed by Sunglim only 04.01.2005-12.31.2005 Success
12 Development of latch force measurement system for latch system using magnetic circuit Ministry of Commerce, Industry and Energy Developed by Sunglim only 09.01.2006-01.31.2007 Success
13 Localization of head stack motor for 2.5-inch hard disk by utilizing micro technology Ministry of Commerce, Industry and Energy Joint development 03.01.2009-02.28.2010 Success

Major Technology Development Tasks

No. Field Name of Tasks Development Type Period Result of Evaluation
1 VCM Development of VCM for Samsung Electronics’ 3.5-Inch (80 Gbytes) hard disk Developed by Sunglim 2003 Success
2 VCM Development of VCM for Samsung Electronics’ 3.5-Inch (120 Gbytes) hard disk Developed by Sunglim 2005 Success
3 VCM Development of VCM for Samsung Electronics’ 3.5-Inch (250Gbytes) hard disk Developed by Sunglim 2007 Success
4 VCM Development of VCM for Western Digital’s 3.5-Inch (250 Gbytes) hard disk Developed by Sunglim 2007 Success
5 VCM Development of VCM for Western Digital’s 3.5-Inch (250 Gbytes) hard disk Developed by Sunglim 2008 Success
6 VCM Development of VCM for Samsung Electronics’ 2.5-Inch hard disk for mobile Developed by Sunglim 2009 Success
7 VCM Development of VCM for Western Digital’s 2.5-Inch hard disk for Green Mobile Developed by Sunglim 2010 Under development

Intellectual Properties (Patents and Utility Model)

Type Name Application Country
Date No.
Patent Actuator motor’s lamp parking device measuring machine and measuring method 02. 26.2010 10-2010-0018053 Korea
Patent VCM’s magnetic property measuring device 02. 26.2010 10-2010-0018047 Korea
Patent Vacuum molding of yoke for manufacturing of actuator motor 02. 26.2010 10-2010-0018049 Korea
Patent Yoke device for manufacturing of actuator motor 02. 26.2010 10-2010-0018042 Korea
Patent Manufacturing method of yoke molding material for VCM 02. 26.2010 10-2010-0018038 Korea

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