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Sumitomo Electric in Brief Innovative Technologies and Focus on Technology The origin of Sumitomo’s copper business, which dates back 400 Nanban-buki. Just as it did in the past, Sumitomo Electric places This technological focus of its business approach is the Group’s Large Synthetic Single Crystal Diamond SUMICRYSTAL SUMICRYSTAL is a large synthetic single crystal diamond. Taking advantage of ultrahigh-pressure and high-temperature pressing machines and highprecision control technology, Sumitomo Electric was the first company in the world to successfully mass-produce it. Manufactured under strict quality controls, SUMICRYSTAL, with its stable quality, is used as an industrial material for cutting tools and other applications. Bismuth Superconducting Wire DI-BSCCO Sumitomo Electric was the first company in the world to develop the long, hightemperature, superconducting wire DI-BSCCO. With DI-BSCCO, an electric current of about 200 times that of copper wire can be passed over the same cross-section. DI-BSCCO has been supplied to several countries for use in superconducting cable experimental projects. Sumitomo Electric is moving ahead with the development of new applications in industrial equipment such as superconducting coil for ship propulsion motors and superconducting magnets used to manufacture and evaluate permanent magnets. For further information, please see: Superconductor website: http://global-sei.com/super/ Development of Molten Salt Electrolyte Battery Molten salt electrolyte batteries are secondary batteries that use only molten salt that is nonvolatile, nonflammable, and high in ion concentration. The new battery achieves an energy density of up to 290 Wh/L and enables the miniaturization of the battery pack. Currently, Sumitomo Electric is further evaluating and improving the battery with a view to its commercialization in electric power storage and on-vehicle applications, while also moving ahead with the development of manufacturing technology. 8 SUMITOMO ELECTRIC Annual Report 2012
Materials with a Global Impact years, can be traced to an advanced copper refining technology of that time called great importance on technology and actively develops new technologies. motivating force for driving business development. Development of Porous Aluminum Aluminum-Celmet Celmet is a porous metal made from nickel or nickel chrome alloy. It features high porosity (up to 98%), considerably higher than other porous metals such as nonwoven metal fabric and foam metal. It also has a three-dimensional mesh-like structure that forms interconnected, open and spherical pores. Because of these features, Celmet has been adopted as a positive electrode current collector in hybrid vehicle nickelhydrogen batteries. Last year, Sumitomo Electric successfully developed porous aluminum Aluminum-Celmet, which not only possesses the same features as Celmet, but is lightweight and has less than half the electrical resistivity of nickel as well as high conductivity. In addition, Aluminum-Celmet offers excellent corrosion resistance. These features make it suitable for use in lithium-ion and other secondary batteries that operate at high charge and discharge voltages and in current collectors of capacitors. At present, we are researching and developing these applications. POREFLON Microfiltration Module POREFLON is the trade name for a porous material produced by Sumitomo Electric from 100% polytetrafluoroethylene (PTFE). Due to its high strength and superior chemical resistance compared with polyvinylidene difluoride (PVDF), dirty membranes are easy to clean and stable performance can be expected over its long service life. The POREFLON Microfiltration Membrane Module, a membrane filter using bundled POREFLON, has been sold since 2003 and supplied to numerous industrial drainage, water purification, and sewage treatment plants in Japan and South Korea. POREFLON contributes to the recycling of plant drainage, production of drinking water, and purification of wastewater. For further information, please see: POREFLON Microfiltration Membrane Module website: http://global-sei.com/poreflon/ Annual Report 2012 SUMITOMO ELECTRIC 9
Page 1 and 2: Annual Report 2012 Information & Co
Page 3 and 4: Glorious Excellent Company The Sumi
Page 5 and 6: Review of Operations Automotive Inf
Page 7 and 8: Society our daily lives. The Sumito
Page 9: uri Capabilities a leading position
Page 13 and 14: World Stage The Americas In fiscal
Page 15 and 16: Net Sales Operating Income Net Inco
Page 17 and 18: Masayoshi Matsumoto President and C
Page 19 and 20: VISION 2012 Q3 As mentioned earlier
Page 21 and 22: Segments Performance Sumitomo Elect
Page 23 and 24: Net Sales (Billions of yen) 1,200 1
Page 25 and 26: Net Sales (Billions of yen) 300 250
Page 31 and 32: & Net Sales (Billions of yen) 300 2
Page 33 and 34: anisotropic conductive film for fin
Page 35 and 36: Highlights of Fiscal 2012 Our Respo
Page 37 and 38: Board of Directors The Board of Dir
Page 39 and 40: Strengthened Competition Law Compli
Page 41 and 42: short-term fluctuations in interest
Page 43 and 44: Financial Section 2012 Five-Year Fi
Page 45 and 46: Management’s Discussion and Analy
Page 47 and 48: Consolidated Balance Sheets Million
Page 49 and 50: Consolidated Statements of Changes
Page 51 and 52: Notes to Consolidated Financial Sta
Page 61 and 62:
Notes to Consolidated Financial Sta
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Page 67 and 68:
Page 69 and 70:
Independent Auditor’s Report To t
Page 71 and 72:
• Sumitomo Electric Semiconductor
Page 73 and 74:
Company Information Investor Inform
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