Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Kazuhiko Fujiie"'
Autor:
Kazuoki Hongu, Takeshi Miki, Shingo Imanishi, Tetsuhiro Sakamoto, Yasuyuki Miyaoka, Yasuhito Tanaka, Goro Fujita, Yasushi Hozumi, Osamu Koyama, Kazuhiko Fujiie, Yuji Akiyama
Publikováno v:
SPIE Proceedings.
We confirmed 64 mm-diameter magneto-optical disk systems of 4.7 Giga-byte have sufficiently wide system tolerance by domain-wall-displacement detection disks and land/groove substrates with one-side-wobbled grooves.
Autor:
Kazuhiko Fujiie, Yasuhito Tanaka, Motohiro Furuki, Shingo Imanishi, Nobuyuki Arakawa, Tetsuhiro Sakamoto
Publikováno v:
SPIE Proceedings.
Domain Wall Displacement Detection (DWDD) medium with no annealing method, which we call "anneal-less" DWDD medium, has been improved for practical use. The key technologies of our progress are not only an optimum design of the magnetic film structur
Autor:
Goro Fujita, Tsutomu Shiratori, Yasushi Hozumi, Yasuyuki Miyaoka, Masaru Kikuchi, Osamu Koyama, Tomoyuki Hiroki, Takeshi Miki, Kazuhiko Fujiie, Yasuyuki Takeshita, Shinichi Kai
Publikováno v:
SPIE Proceedings.
We developed a side-wall-annealing technique and realized 15 Gbit/inch2 using land/groove recording on a DWDD disc with a red laser.
Autor:
Takeshi Miki, Shinichi Kai, Yasuyuki Takeshita, Goro Fujita, Kazuhiko Fujiie, Osamu Koyama, Yasuyuki Miyaoka, Tomoyuki Hiroki, Yasushi Hozumi, Masaru Kikuchi, Tsutomu Shiratori
Publikováno v:
Optical Data Storage.
Anneal-less DWDD for 15 Gbit/in2 land-groove recording using a deep groove substrate and a red laser
Autor:
Tetsuhiro Sakamoto, Yasuhito Tanaka, Shingo Imanishi, Motohiro Furuki, Nobuyuki Arakawa, Kazuhiko Fujiie
Publikováno v:
Optical Data Storage.
Domain wall displacement detection (DWDD[1]) is the most useful method to realize high linear density without using a blue laser or a lens of a high numerical aperture (NA). The authors previously reported the DWDD magneto optical (MO) medium applied
Autor:
Akira Takahashi, Kazuhiko Fujiie, Ariyoshi Nakaoki, Yoshiteru Murakami, Yoshihiro Muto, Tomiyuki Numata, Maeda Shigemi, Nobuyuki Takamori, N. Ogata, M. Nishida, Masayoshi Kanno, Yasuhito Tanaka
Publikováno v:
SPIE Proceedings.
A mobile magneto-optical disk system with 2 Gbytes user- capacity is proposed. The disk consists of a center aperture detection type of magnetically induced super-resolution medium, a 0.5 mm thickness substrate with 50 mm in diameter, and a newly dev
Autor:
Masahiro Birukawa, Akio Tsuchino, Yoshimitsu Fukuyama, Yoshihito Tanaka, Koji Sekiguchi, Masaki Takata, Kiminori Ito, Nobuhiro Yasuda, Hitoshi Osawa, Kazuhiko Fujiie, Kazuya Hisada, Shigeru Kimura, Toshiyuki Matsunaga, Osamu Kawakubo, Rie Kojima, Noboru Yamada
Publikováno v:
Review of Scientific Instruments. 84:063902
We have developed a system of laser-pump and synchrotron radiation probe microdiffraction to investigate the phase-change process on a nanosecond time scale of Ge2Sb2Te5 film embedded in multi-layer structures, which corresponds to real optical recor