SDK Completes Expansion of Capacity for Titanium Oxide Nanoparticles. headquartered in Shiojiri City, Nagano Prefecture. Super-Titania is used in the production of multilayer ceramic capacitors (MLCCs).
This time, at the Toyama Plant of Showa Denko Ceramics, SDK added one production line to produce Super-Titania to be used in the production of MLCCs, aiming to respond to the growing demand for Super-Titania and maintain stable supply of high quality product. The capacity of the Showa Denko Group to produce Super-Titania will increase 30% in and after January 2019.
Barium titanate (BaTiO3) made from titanium oxide (TiO2) is used as a dielectric which composes a part of basic structure of MLCC. In addition, downsizing and increase in electrical capacitance of MLCC requires high-purity nanoparticle barium titanate. There are two methods to synthesize barium titanate, namely, solid-phase method and liquid-phase method. Synthesis of barium titanate with solid-phase method, which can produce barium titanate with high dielectric property at relatively lower costs, requires ultrafine-particle titanium oxide. Super-Titania, nanoparticle titanium oxide manufactured and sold by the Showa Denko Group, is produced with leading-edge process control technology to have particle diameter of 15 to 250 nanometer (1 nanometer = one millionth millimeter) and high purity. Thus Super-Titania contributes to manufacture of smaller MLCCs with higher electrical capacitance.
Super-Titania can be used not only as raw material for manufacturing of MLCCs but also as an ingredient of various filling materials and for other services. The Showa Denko Group will continue to meet customer requirements, stably supply high-quality products, and establish leading positions on the market.
 Dielectric: A dielectric is an insulator which can accumulate electricity and discharge it in an instant. Higher dielectric property leads to higher electrical capacitance.
 Solid-phase method and liquid-phase method: These are methods to produce fine ceramics including barium titanate. Under solid-phase method, raw materials are mixed up, react with each other when calcined at a high temperature, and come into compounds. Under liquid-phase method, raw materials are dissolved in solvent, react with each other in the solution, and come into compounds after calcination at a low temperature.
About Showa Denko K.K.
Showa Denko K.K. (SDK; TSE:4004, ADR:SHWDY), a major manufacturer of chemical products, serves a wide range of fields from heavy industry to electronics and computer industries. The Petrochemicals Sector provides cracker products such as ethylene and propylene, the Chemicals Sector provides industrial, high-performance and high-purity gases and chemicals for semicon and other industries, and the Inorganics Sector provides ceramic products, such as alumina, abrasives, refractory and graphite electrodes and fine carbon products. The Aluminum Sector provides aluminum materials and high-value-added fabricated aluminum, the Electronics Sector provides HD media, compound semiconductors such as ultra high-bright LEDs and rare earth magnetic alloys, and the Advanced Battery Materials Department (ABM) provides lithium-ion battery components. For more information, please visit www.sdk.co.jp/english/.
Source: Showa Denko K.K.
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