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Publikováno v:
IEEE Transactions on Magnetics. 28:1978-1983
A junction has been developed for hybrid bubble memory devices using ion-implanted tracks for high density data storage and Permalloy tracks for write and read functions. An 18- mu m diameter Permalloy corner pattern is used. Both the tapered ion-imp
Autor:
Takeshita Masatoshi, Minoru Hiroshima, Toyooka Takashi, K. Saito, Ryo Suzuki, Masahiro Yanai, Toshihiro Sato
Publikováno v:
IEEE Transactions on Magnetics. 26:2514-2516
A design for a dual gate which has both pseudoswap and block-replicate functions for 16-Mb ion-implanted bubble memory devices has been proposed and shown by Sato et al. (1987) to reduce the operation current-pulse amplitude. The dual gate is compose
Autor:
Takeshita Masatoshi, Ryo Suzuki, Minoru Hiroshima, H. Chigasaki, K. Saito, Masahiro Yanai, Toshihiro Sato, T. Toyooka
Publikováno v:
International Conference on Magnetics.
Publikováno v:
IEEE Transactions on Magnetics. 23:3355-3357
A new junction for the swap-gate side using the corner-Permalloy pattern in hybrid bubble memory devices has been designed and characterized. The design is based on the corner-type junction for the replicate-gate side and the conventional swap gate.
Publikováno v:
IEEE Transactions on Magnetics. 23:2572-2574
A 64 Mb bubble memory chip architecture using 1.4 μm × 1.6 μm cell size ion-implanted tracks and the dual gate with block replicate and swap functions is described. The memory chip is composed of sixteen 4Mb blocks, which have 1160 minor loops wit
Improvement of permalloy propagation pattern for ion implanted-permalloy hybrid bubble memory device
Autor:
Takeshita Masatoshi, H. Kanai, S. Yoshimoto, Minoru Hiroshima, Masahiro Yanai, Ryo Suzuki, Toyooka Takashi, M. Sekino, H. Kondo
Publikováno v:
IEEE Transactions on Magnetics. 22:1293-1295
A new modified asymmetric chevron (AC) permalloy propagation pattern with an 1.0µm gap has been designed for 0.92µm bubble propagation in an ion implanted-permalloy hybrid bubble memory. Bias field margin remarkably depended on the tip shapes of th
Publikováno v:
Chemical Communications; 2006, Vol. 2006 Issue: 10 p1070-1072, 3p
Publikováno v:
In Tetrahedron Letters 1968 9(44):4621-4624
Autor:
Shigematsu, Toshinobu, Maeda, Minoru, Takeshita, Masatoshi, Fujii, Yoshiko, Nakamura, Masaki, Yamaguchi, Minoru, Shigi, Toyoichiro, Ishii*, Hiroshi
Publikováno v:
In Proceedings of the Sixteenth International Cryogenic Engineering Conference/International Cryogenic Materials Conference 1997:621-624