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451 results on '"Hida H"'

59. Development of Self-Vibration and -Detection AFM Probe by using Quartz Tuning Fork

Author

Hida H., Shikida M., Fukuzawa K., Ono A., Sato K., Asaumi K., Iriye Y., Muramatsu T., Horikawa Y., Hida H., Shikida M., Fukuzawa K., Ono A., Sato K., Asaumi K., Iriye Y., Muramatsu T., and Horikawa Y.

Abstract

We developed a novel type of quartz tuning-fork probe that vibrates and detects its own probe deformation, for application to atomic force microscopy (AFM). This tuning-fork probe improves the AFM image resolution because of its high Q (quality) factor value. The tuning-fork probe has a sharp tip that was fabricated using anisotropic wet etching and a focused ion beam system. We evaluated the vibration properties of the tuning-fork in both the in-phase and anti-phase driving mode, and measured a Q factor value of 2808 in the anti-phase mode. We also confirmed that the tuning-fork probe is able to measure a 100 nm-step on a silicon surface by self-vibration and self-detection, without using external vibration and optical-detection mechanisms.

Published
2007

60. Quartz tuning-fork type AFM probe operated in Anti-phase Vibration Mode

Author

Hida H., Shikida M., Fukuzawa K., Ono A., Sato K., Asaumi K., Iriye Y., Hida H., Shikida M., Fukuzawa K., Ono A., Sato K., Asaumi K., and Iriye Y.

Abstract

This paper presents that quartz tuning fork shows excellent properties as Atomic Force Microscopy (AFM) probe. We used Focused Ion Beam (FIB) system to monolithically form a sharp tip at the side end of one beam. The fabricated probe can vibrate and detect the deformation itself because of piezoelectric property of crystal quartz. We evaluated the vibration characteristic and the self-detection ability of tuning fork. The tuning fork probe is actuated in two different vibration mode; in-phase and anti-phase mode, and clarified that high Q-factor of 5247 was obtained in anti-phase mode. We further applied this mode for AFM observation and images were successfully with dynamic AFM system.

Published
2006

72. Non-coding cis-element of Period2 is essential for maintaining organismal circadian behaviour and body temperature rhythmicity

Author

Masao Doi, Hiroyuki Shimatani, Yuta Atobe, Iori Murai, Hida Hayashi, Yukari Takahashi, Jean-Michel Fustin, Yoshiaki Yamaguchi, Hiroshi Kiyonari, Nobuya Koike, Kazuhiro Yagita, Choogon Lee, Manabu Abe, Kenji Sakimura, and Hitoshi Okamura

Subjects
Science
Abstract

The circadian transcription factors BMAL1:CLOCK bind to E/E′-boxes in gene regulatory elements of their targets and facilitate rhythmic expression. Here, the authors mutate the Per2 promoter E’′-box in mice and observe that cell- and tissue-autonomous oscillations are dampened and that animals are less susceptible to jet lag.

Published
2019
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78. Sapporo Summer School on Number Theory Hokkaido University

Author

Hida, H., Ito, T., Katsurada, H., Kitagawa, K., Taguchi, Y., Murase, A., Yamagami, A., Arai, K., Hiraoka, T., Itakura, K., Kasio, T., Kawamura, H., Kimura, I., Mochizuki, S., Murata, M., and Okazaki, T.

Subjects
00-xx GENERAL
Published
2008

80. A Low-Power Dual-Band Triple-Mode WLAN CMOS Transceiver

Author

Maeda, T., primary, Matsuno, N., additional, Hori, S., additional, Yamase, T., additional, Tokairin, T., additional, Yanagisawa, K., additional, Yano, H., additional, Walkington, R., additional, Numata, K., additional, Yoshida, N., additional, Takahashi, Y., additional, and Hida, H., additional

Published
2006
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