Junji Hashimura
Minolta
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Publication
Featured researches published by Junji Hashimura.
Japanese Journal of Applied Physics | 2002
Kyu Takada; Hiroshi Hatano; Junji Hashimura; Nobuo Mushiake; Hiroaki Ueda
Several types of objective lenses for blue laser optical pickup have been proposed. These objective lenses are composed of two lenses, and have a numerical aperture (NA) of 0.85 for high-density recording. We designed and fabricated a NA 0.9 lens for improvement of the technique. The objective lens is composed of two lenses. To achieve a precise wavefront, the objective lens was designed to use only one aspherical surface and to expand the tolerances of each lens.
Archive | 2008
Kyu Takada; Junji Hashimura; Yuichiro Ori; Toru Kimura
Archive | 1995
Shinichi Suzuki; Tetsuro Kanbara; Minoru Kuwana; Hitoshi Hagimori; Junji Hashimura
Archive | 1995
Junji Hashimura
Archive | 2003
Junji Hashimura; Kyu Takada
Archive | 1995
Soh Ohzawa; Junji Hashimura
Archive | 2004
Kazunari Tada; Junji Hashimura; Yuichiro Ori
Archive | 2004
Kyu Takada; Junji Hashimura; Yuichiro Ori; Toru Kimura
Archive | 1995
Nobuyuki Taniguchi; Hideo Kajita; Yujiro Mima; Junji Hashimura; Nobuya Miki; Masayuki Ikemura
Archive | 1998
Junji Hashimura; Yuichiro Ori
