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About TDK.Pdf TDK’s Innovation 1966 1994 2009 Recognition as IEEE Milestone: Innovation Innovation TDK’s efforts influenced the world’s Four Great World-Class Innovations by2 TDK Four Great World-Class Innovations by4 TDK Cultivating Technologies for technological history Magnetic Tape Technology Magnetic Head Technology The Institute of Electrical and Electronics Engineers (IEEE), an international academic society relating to Revolutionizes Music Opens the Way to Amazingly electricity and electronics, recognized the “Development From a desire of to easily store music, TDK devel- High Recording Density of Ferrite Materials and Their Applications” by the Tokyo oped the first cassette tape made in Japan. The Institute of Technology and TDK as a historical achieve- TDK’s magnetic heads business began in 1962 with combination of superior magnetic materials tech- ment that has contributed to the development of society the development of a ferrite head core piece for nology and coating technology later also proved its and industry. storage devices such as magnetic drums. Thanks to worth in the manufacture the development of magnetic heads utilizing thin-film of video tape products. process technology on the nanometer level, the Years recording density of hard disk drives (HDDs) took a Based on the corporate motto of “Contribute to culture giant leap forward in the 1990s. 80and industry through creativity,” TDK has been continuously pouring forth a stream of innovative products ever since its founding in 1935, using ferrite as a starting point and IEEE Milestone plaque harnessing superior magnetics and materials technology. Equipment for manufacturing cassette tapes and video tapes HDD magnetic heads MAGNETICS TECHNOLOGY 1935 1950 1980 2012 Ferrite or Ferrite cores from TDK used extensively ceramic sheet “Year Zero of the Magnet” Innovation in super heterodyne-type radio receivers Innovation —A new TDK challenge Four Great World-Class Innovations by1 TDK Four Great World-Class Innovations by3 TDK The super heterodyne principle, which enables high Conductor pattern TDK is forging ahead with the development (coil semicircle) Materials Technology performance in radio receivers, came into wide use Fine Multilayering Technology of new magnets that either reduce the use around the year 1950. This led to a drastic rise in of costly rare earth additions significantly or with Origins in Ferrite demand for ferrite from TDK, to be used as a core Drives Miniaturization and eliminate them altogether. To mark this new Via (for connecting material in intermediate frequency (IF) transformers. Weight Reduction of conductors between beginning, 2012 was designated as “Year The world’s first ferrite cores After the age of television began, ferrite also found wide sheets) Zero of the Magnet” and TDK is continuing application in the deflection yoke Electronic Equipment to work towards the realization of various cores of CRT tubes. TDK developed the first multilayer chip inductor, new magnets that do not rely on rare earth using original multilayering technology to form three- materials at all. A pioneering university-generated A super heterodyne-type radio receiver, and dimensional spiral coils inside the chip. Further refining of this technology ferrite cores for IF transformers (foreground) led to the introduction of multilayer ceramic chip capacitors and various venture company Neodymium magnets other multilayer electronic components which significantly contribute to (NEOREC series) from TDK Tokyo Denki Kagaku Kogyo K.K., the forerunner of the reduced size and weight of electronic devices. TDK, was founded in 1935 in order to commercialize ferrite, an epoch-making magnetic material that had Exploiting Strength in been invented in Japan by Dr. Yogoro Kato and Dr. Takeshi Takei of the Tokyo Institute of Technology. So TDK really was a pioneering university-generated venture company. m Nanotechnology is the art of handling ultrafine materials to a precision of less than a millionth of a millimeter, to create new Dr. Yogoro Kato (left) Dr. Takeshi Takei (right) functionality and previously unattainable material properties. TDK has gained extensive nanotechnology experience through 0.00 0000001the development and manufacture of magnetic heads for HDDs and thin-film multilayer products. This enables TDK to offer electronic components and devices that meet highly advanced and sophisticated needs. Annual Report 2015 1 Business Model TDK’s Challenges for the Future Passive Components Applied Products Ferrite cores HDD heads Wireless Power Transfer Technology Spintronics Development of wireless power transfer Application of TMR element technology Transformers systems harnessing magnetic materials allows realization of ultra-sensitive Neodymium magnets technology and magnetic circuit technology magnetic sensor This system is designed to allow wireless charging of the battery The science of controlling the charge of an electron and spin Inductors in a vehicle, thereby eliminating the need for cumbersome cable through nanotechnology is called spintronics. Application of Ferrite magnets connections. Coils utilizing high-performance ferrite, together TMR elements developed for HDD heads allows the realization with a proprietary automatic tuning technique, ensure optimized of an ultra-sensitive magnetic sensor. The technology is expected charging. We are also working on experimental systems for to lead to applications in the health care and medical fields. Aluminum electrolytic capacitors power transfer to moving vehicles. Film products TDK Strong Core Customer Film capacitors Technologies Base Power supplies MAGNETICS TECHNOLOGY Ceramic capacitors Infinite Materials Technology Rechargeable batteries Automotive Process Technology ICT Network Evaluation and Simulation Technology RF components and modules Industrial Equipment & Energy Device & Module Technology Consumers and others Production Technology Challenges MEMS applied products toward the Future Sensors A major mission of TDK is contributing to the future of electronics. On the strength of our materials technology, Flash storage applied products we always take up new challenges and continue to innovate. EMC countermeasure products Radio wave absorbers, anechoic chambers Piezoelectric material products Circuit protection components Manufacturing equipment Renewable Energy Wearable & Health Care TDK’s business model is based on strong and continuously continue to develop products that meet the most advanced advancing competence in core technologies and a solid needs of the age. Development of next-generation magnets Pursuing next-generation electronic customer base. We handle a wide range of products, from We also aim to provide high value added by responding and high-efficiency power supplies components and modules through passive components to applied products, and are expanding flexibly to various customization requests. This in turn has Renewable energy is becoming an ever more important topic as advanced substrate embedding techniques we move closer to the realization of a sustainable society. TDK is the scale of our business operations. helped us to grow as a company. With a view toward wearable devices and health care products, engaged in developing capacitors and reactors specially Our vast accumulated expertise in magnetics technology The world of electronics is in constant flux, marching TDK has developed a technology called SESUB for embedding designed for use in power conditioners of wind power and solar chips directly in the substrate, and is advancing state the art RF serves as a backbone, while we explore the properties of rapidly towards the future. As a global leader in the field of power installations, and also building extremely powerful and module technology and other sophisticated methods for incor- large magnets as well as other parts for wind power generators. materials down to the molecular level. All of our production electronic components, we operate at the leading edge of porating electronic components into modules. We have also processes have been developed and unified in-house, a fact development, creating and marketing numerous innovative developed an ultra-low-profile thin-film capacitor (TFCP) that is that clearly sets us apart from our competitors, as we products of high value for our customers. flexible and allows embedding in the substrate. 2 TDK Corporation Annual Report 2015 3 TDK’s Core Technologies 1 2 3 4 5 Evaluation and Simulation Materials Technology Process Technology Device & Module Technology Production Technology Globally Cultivating Technology Leading Edge Shaping the characteristics of the mate- Super-advanced control techniques Activities range from material analysis This technology involves combining The TDK policy of QCD (Quality, Cost, rial at the molecular level enables the operating with nanometer level precision and examination, simulation of product various electronic components into high- Delivery) is being further strengthened, Technology creation of innovative electronic compo- result in products with outstanding structure, thermal conditions, and elec- performance, multi functional electronic to enable swift and effective adaptation nents and devices that meet even the performance and functionality. tromagnetic field to noise measurements devices and optimized modules. to changes in the marketplace. most advanced market needs. and design of noise solutions. TDK is making full use of its worldwide network linking Japan, China, other Asian countries, Europe, and
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