Yuko Ogawa

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Featured researches published by Yuko Ogawa.

IEEE Transactions on Magnetics | 2002

Hideki Kuwajima; Hirokazu Uchiyama; Yuko Ogawa; Hiroyuki Kita; Kaoru Matsuoka

A new dual-stage actuator for positioning a magnetic head for high-density hard disk drives was proposed and developed. This dual-stage actuator device is characterized by the sputter-deposited thin-film PZT, featuring large displacement of 1.2 /spl mu/m and high-resonance frequency over 15 kHz. In this paper, reliability against temperature, humidity, and mechanical shock was investigated to ensure the practical application to the drive products.

ieee international magnetics conference | 2002

Hideki Kuwajima; Hirokazu Uchiyama; Yuko Ogawa; Hiromi Kita; Kaoru Matsuoka

Summary form only given. A new dual-stage actuator for positioning a magnetic head for high-density hard disk drives (HDDs) was proposed and developed. This dual-stage actuator device is characterized by the sputter-deposited thin film PZT, featuring large displacement of 1.2 microns and high resonance frequency over 15 kHz. In this work, reliability against temperature, humidity, heat cycle, and mechanical shock was investigated to ensure the practical application to the drive products.

Archive | 2002