Toshiba Materials’ Major Investment in Second Production Facility Will Boost Silicon Nitride Ball Production
Toshiba Materials Co., Ltd. (President & CEO: Takao Shirai) today announced a major investment in a new production facility that will significantly boost production capacity for silicon nitride balls. The facility will be constructed at the company’s Oita Operations in northern Kyushu, Japan, and the 7-billion yen project (approx. US$50 million) is expected to come online in January 2026.
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Toshiba Materials: Image of silicon nitride balls (Graphic: Business Wire)
Continued advances in automobile electrification require performance improvements and solutions that go beyond higher voltage batteries and shorter charging times. One measure to improve performance is to integrate motors, inverters and decelerators. Although this increases the risk of electrolytic corrosion[1] in motor bearings[2], it is a problem that can be overcome with hybrid bearings with ceramic balls with steel inner and outer races. The added advantages of excellent strength, superior wear resistance and insulation properties are increasingly positioning ceramic balls as the solution of choice.
Toshiba Materials is proactively investing in increased production of silicon nitride balls for electric vehicles. In July 2022.[3] the company announced a production expansion at its headquarters site in Yokohama that boosted production by 50%. When the new Oita facility reaches full capacity, production capabilities will be 2.5 times that of the 2022 level.
Toshiba Materials will continue stable supply of high quality products, and will contribute to increased use of environmentally friendly electric vehicles.
Notes
[1] Electrolytic corrosion: damage to a bearing caused by a current flowing through it.
[2] Bearing: A part that allows a shaft to rotate smoothly in a machine. Formed with an inner race, balls, and outer race.
[3] Toshiba Material’s press release, July 19, 2022
https://www.toshiba-tmat.co.jp/pdf/en/news/new20220719.pdf
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Contact information
Media Inquiries:
K.Tanaka, S.Mihashi
Corporate Communications & Market Intelligence Group
Strategic Planning Div.
Toshiba Electronic Devices & Storage Corporation
Tel: +81-44-548-2122
Mail: tdsc-publicrelations@ml.toshiba.co.jp
Website: https://toshiba.semicon-storage.com/ap-en/
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