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KYOCERA Technology Used to Create one of the World’s Smallest Crystal Units Awarded Prestigious Research Prize in Japan
42nd Inoue Harushige Prize given to Kyocera and Osaka University researcher for ultra-compact crystal units used in smartphones, wearables and IoT solutions
Hideo Tanimoto (left), president of Kyocera Corporation, and Dr. Kazuya Yamamura (right) of Osaka University
CX1008 crystal unit
Each year the Inoue Harushige Prize is awarded to researchers and corporations for outstanding innovations that have contributed to science, technology and the economy in Japan. One of the award criteria is technology that was developed and commercialized by corporations based on original research by universities and research institutions.
Kyocera successfully developed ultra-high-precision quartz wafers by combining the unique technology of Kyocera piezoelectric analysis and the plasma CVM technology developed by Dr. Yamamura. From the combination of these unique technologies, Kyocera has realized a photolithographic process with integrated wafer level production. Based on this photolithography technology, Kyocera was able to achieve the world’s smallest quartz crystal*2 while still maintaining excellent performance. The business-academia collaboration of Kyocera and Dr. Yamamura was highly evaluated for its impact on further miniaturization in the smartphone, wearable device as well as hearing aid and capsule medical device industries.
Kyocera will accelerate the development of low-frequency crystal units for automotive applications, high-frequency crystal units for wireless base stations, and high-precision oscillators utilizing this technology. The technology will also support the growth of 5G, Advanced Driver Assistance System (ADAS) and IoT markets.
*1 CVM: Chemical Vaporization Machining
*2 Based on research by former Kyocera Crystal Device Corporation (as of February 2017), Kyocera Crystal Device Corporation was consolidated into Kyocera Corporation on April 1, 2017.
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