Keishi Ohashi

上級研究員(研究院教授)

  • 1677 Citations
  • 20 h-Index
1979 …2020

Research output per year

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Research Output

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Conference article
2007

A silicon photonics approach for the nanotechnology era

Ohashi, K., Nishi, K., Shimizu, T., Nakada, M., Fujikata, J., Ushida, J., Gomyo, A., Ishi, T., Nose, K., Mizuno, M., Kinoshita, M., Suzuki, N., Okamoto, D., Yukawa, H., Tsuchizawa, T., Watanabe, T., Yamada, K., Itabashi, S. & Akedo, J., 2007 Dec 1, In : Technical Digest - International Electron Devices Meeting, IEDM. p. 787-790 4 p., 4419065.

Research output: Contribution to journalConference article

3 Citations (Scopus)

PLZT electro-optic modulators on Si substrates using aerosol deposition for on-chip optical interconnections

Shimizu, T., Nakada, M., Tsuda, H., Akedo, J., Nishi, K. & Ohashi, K., 2007 Dec 1, In : IEEE International Conference on Group IV Photonics GFP. p. 210-212 3 p., 4347718.

Research output: Contribution to journalConference article

4 Citations (Scopus)
2006

Silicon nano-photodiodes

Ohashi, K., Fujikata, J., Ishi, T., Nishi, K., Mizuno, M., Nose, K., Ishihara, K. & Baba, T., 2006 Dec 1, In : IEEE International Conference on Group IV Photonics GFP. p. 176-178 3 p., 1708204.

Research output: Contribution to journalConference article

1 Citation (Scopus)
2005

Fabry-Perot optical modulator fabricated by aerosol deposition

Nakada, M., Ohashi, K., Tsuda, H. & Akedo, J., 2005 Dec 1, In : Proceedings of SPIE - The International Society for Optical Engineering. 6050, 605004.

Research output: Contribution to journalConference article

5 Citations (Scopus)

Optical and electro-optical properties of Pb(Zr,Ti)O3 and (Pb,La)(Zr,Ti)O3 films prepared by aerosol deposition method

Nakada, M., Ohashi, K. & Akedo, J., 2005 Feb 15, In : Journal of Crystal Growth. 275, 1-2, p. e1275-e1280

Research output: Contribution to journalConference article

28 Citations (Scopus)
2004

Miniaturized thin-film magnetic field probe with high spatial resolution for LSI chip measurement

Ando, N., Masuda, N., Tamaki, N., Kuriyama, T., Kato, K., Saito, M., Saito, S., Ohashi, K. & Yamaguchi, M., 2004 Oct 8, In : IEEE International Symposium on Electromagnetic Compatibility. 2, p. 357-362 6 p.

Research output: Contribution to journalConference article

34 Citations (Scopus)
2001

Low resistance magnetic tunnel junctions and their interface structures

Fujikata, J., Ishi, T., Mori, S., Matsuda, K., Mori, K., Yokota, H., Hayashi, K., Nakada, M., Kamijo, A. & Ohashi, K., 2001 Jun 1, In : Journal of Applied Physics. 89, 11 II, p. 7558-7560 3 p.

Research output: Contribution to journalConference article

16 Citations (Scopus)

Read/write characteristics of focused-ion-beam-etched heads for perpendicular magnetic recording media

Tsuboi, S., Matsutera, H., Ishi, T., Ishiwata, N. & Ohashi, K., 2001 Oct 1, In : Journal of Magnetism and Magnetic Materials. 235, 1-3, p. 375-381 7 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Read performance of tunneling magnetoresistive heads

Ishihara, K., Nakada, M., Fukami, E., Nagahara, K., Honjo, H. & Ohashi, K., 2001 Jul 1, In : IEEE Transactions on Magnetics. 37, 4 I, p. 1687-1690 4 p.

Research output: Contribution to journalConference article

12 Citations (Scopus)

Structural and magnetic properties of high saturation induction CoNiFe electroplated films

Ohshima, N., Saito, M., Ohashi, K., Yamamoto, H. & Mibu, K., 2001 Jul 1, In : IEEE Transactions on Magnetics. 37, 4 I, p. 1767-1769 3 p.

Research output: Contribution to journalConference article

5 Citations (Scopus)

Thermal asperity of TMR heads for removable disk drives

Ohashi, K., Sato, A., Ishihara, K., Matsubara, T., Mitsuzuka, T., Tsuge, H. & Ishiwata, N., 2001 Jul 1, In : IEEE Transactions on Magnetics. 37, 4 I, p. 1919-1921 3 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)
2000

CoNiFe write heads with a 10-μm core for high-speed recording

Nonaka, Y., Honjo, H., Toba, T., Saitho, S., Ishi, T., Saito, M., Ishiwata, N. & Ohashi, K., 2000 Jan 1, In : Digests of the Intermag Conference. p. CB-05

Research output: Contribution to journalConference article

Co-Ni-Fe write heads with a 10-μm yoke length for high-speed recording

Nonaka, Y., Honjo, H., Toba, T., Saito, S., Ishi, T., Saito, M., Ishiwata, N. & Ohashi, K., 2000 Sep 1, In : IEEE Transactions on Magnetics. 36, 5 I, p. 2514-2516 3 p.

Research output: Contribution to journalConference article

9 Citations (Scopus)

Low-resistance tunnel magnetoresistive head

Ohashi, K., Hayashi, K., Nagahara, K., Ishihara, K., Fukami, E., Fujikata, J., Mori, S., Nakada, M., Mitsuzuka, T., Matsuda, K., Mori, H., Kamijo, A. & Tsuge, H., 2000 Sep 1, In : IEEE Transactions on Magnetics. 36, 5 I, p. 2549-2553 5 p.

Research output: Contribution to journalConference article

30 Citations (Scopus)

Read head structure for magnetic tunneling junction

Hayashi, K., Fukami, E., Nagahara, K., Nakada, M., Ohashi, K., Matsuda, K., Kamijo, A., Mitsuzuka, T. & Tsuge, H., 2000 Jan 1, In : Digests of the Intermag Conference. p. FA-03

Research output: Contribution to journalConference article

1999

Write performance of heads with 2.1-TESLA CoNiFe pole

Ohashi, K., Morita, N., Tsuda, T. & Nonaka, Y., 1999 Dec 1, In : Digests of the Intermag Conference. p. FB-05

Research output: Contribution to journalConference article

1990

Effect of plated NIFE composition on domain configuration

Ohashi, K., Ito, M. & Maruyama, T., 1990 Dec 1, In : Proceedings - The Electrochemical Society. 90, 8, p. 247-258 12 p.

Research output: Contribution to journalConference article

5 Citations (Scopus)