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4 results on '"Imaoka, Noriko"'

1. 317 Gb/in2 Recording Areal Density on Strontium Ferrite Tape

Author

Furrer, Simeon, primary, Ebermann, Patrick, additional, Lantz, Mark A., additional, Rothuizen, Hugo, additional, Haeberle, Walter, additional, Cherubini, Giovanni, additional, Cideciyan, Roy D., additional, Tsujimoto, Shinji, additional, Sawayashiki, Yoshihiro, additional, Imaoka, Noriko, additional, Murata, Yuto, additional, Ueyama, Tomohide, additional, Akano, Yoichi, additional, Kaneko, Tetsuya, additional, Suzuki, Hodaka, additional, Shirata, Masashi, additional, Naoi, Kenji, additional, Koike, Takashi, additional, and Doshita, Hiroaki, additional

Published
2021
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2. 317 Gb/in2 Recording Areal Density on Strontium Ferrite Tape

Author

Lantz, Mark, primary, Furrer, Simeon, primary, Ebermann, Patrick, primary, Rothuizen, Hugo, primary, Haeberle, Walter, primary, Cherubini, Giovanni, primary, Cideciyan, Roy D., primary, Tsujimoto, Shinji, primary, Sawayashiki, Yoshihiro, primary, Murata, Yuto, primary, Ueyama, Tomohide, primary, Akano, Yoichi, primary, Kaneko, Tetsuya, primary, Suzuki, Hodaka, primary, Shirata, Masashi, primary, Naoi, Kenji, primary, Koike, Takashi, primary, Doshita, Hiroaki, primary, and Imaoka, Noriko, primary

Published
2020
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3. 317 Gb/in2 Recording Areal Density on Strontium Ferrite Tape.

Author

Furrer, Simeon, Ebermann, Patrick, Lantz, Mark A., Rothuizen, Hugo, Haeberle, Walter, Cherubini, Giovanni, Cideciyan, Roy D., Tsujimoto, Shinji, Sawayashiki, Yoshihiro, Imaoka, Noriko, Murata, Yuto, Ueyama, Tomohide, Akano, Yoichi, Kaneko, Tetsuya, Suzuki, Hodaka, Shirata, Masashi, Naoi, Kenji, Koike, Takashi, and Doshita, Hiroaki

Subjects
STRONTIUM ferrite, FIELD programmable gate arrays, MAGNETIC tapes, ITERATIVE decoding, SERVOMECHANISMS, DENSITY, PREDICTIVE validity, TAPE casting
Abstract

The recording performance of a new prototype magnetic tape based on perpendicularly oriented strontium ferrite particles is investigated using a 29 nm wide tunneling magnetoresistive reader. At a linear density of 702 kbpi, a post-detection byte-error rate (BER) of 2.8e−2 is demonstrated based on measured recording data and a software read channel. The read channel uses a 64-state implementation of an extended version of a data-dependent noise-predictive maximum-likelihood detection scheme that tracks the first- and second-order statistics of the data-dependent noise. At the demonstrated post-detection BER, a post-error-correction-coding BER of less than 1e−20 can be achieved using an iterative decoding architecture. To facilitate aggressive track-density scaling, we made multiple advances in the area of track following. First, we developed a new timing-based servo pattern and implemented a novel quad channel averaging scheme. Second, we developed a new field programmable gate array prototyping platform to enable the implementation of quad channel averaging. Third, we enhanced our low disturbance tape transport with a pair of 20 mm diameter air bearing tape guides and a prototype track-following actuator. Fourth, we developed a novel low friction tape head and, finally, we designed a set of tape speed optimized track-following controllers using the model-based H∞ design framework. Combining these technologies, we achieved a position error signal (PES) characterized by a standard deviation ≤ 3.18 nm over a tape speed range of 1.2–4.1 m/s. This magnitude of PES in combination with a 29 nm wide reader enables reliable recording at a track width of 56.2 nm corresponding to a track density of 451.9 ktpi, for an equivalent areal density of 317.3 Gb/in2. [ABSTRACT FROM AUTHOR]

Published
2021
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4. Invesitgation on Clinical Statistics of Medical Assistance for Cleft Lip and/or Palate in Lao People's Democratic Republic

Author

Arakaki, Keiichi, Sunakawa, Hajime, Arasaki, Akira, Shinya, Teruyo, Kano, Takeshi, Kuninaka, Rika, Takara, Kiyomi, Nakama, Joji, Higa, Yasutoshi, Sasara, Takeshi, Itokazu, Suemi, Tokuda, Kyomi, Oshiro, Yoko, Yohena, Kaori, Katsuki, Takeshi, Okumura, Akira, Natsume, Nagato, and Imaoka, Noriko

Subjects
Medical Assistant to the People's Republic of Laos Questionnaire investigation, Cleft lip and palate, Japanese cleft plate foundation
Abstract

We will report our medical assistance to the People's Republic of Laos in cooperation with the Japanese Cleft Palate Foundation. Laos is an inland country and lies between Thailand, Myanmar, China, Vietnam and Cambodia. The total land area is approximately 237,000 sq km-an area similar to that of mainland Japan. It has a population of 5,200,000 with a large number of ethnic minority and is known as one of the poorest countries in Asia. The national Gross Domestic Product (GDP) per head of population is 336 dollars which is 1/100 of Japan's. There are a number of untreated patients with cleft lip and palate. We have been carrying out preliminary research since 1998, and planned the following 5-year project in 2003. The purpose of the Laos Project was as follows: To carry out technical transfer, mainly of cleft care, to local doctors based in Sethathirath Hospital, to conduct a questionnaire survey on cleft lip and palate patients and their families members living in remote areas of Laos, comparison of un-operated and operated cases upper jaw models with cleft lip patients, to make a donation for the opening of a graduate course at the Medical University of Laos. The course would be called Okinawa Course, and Okinawa prefecture in Japan will provide full support for the course. Japanese specialists will give lectures throughout the course. Our achievements for 2001-2003 are as follows: Sixty operations (60 cases of cheiloplasty, 15 cases of palatoplasty and 5 cases of correction) were performed by Japanese doctors. During the same period, considerable time was spent on transfering technique to the local doctors. In the Medical University of Laos, attendees of the Okinawa Course in post-graduate school are 39 doctors. A total of 30 lectures are planned to be conducted by both Laotian and Japanese medical experts throughout the year., 論文

Published
2005

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