CONFERENCE PROCEEDINGS
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Osamu Koyama
at Canon Inc
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Author
Publications (5)
Proceedings Article | 22 June 2006 Paper
A low-noise durable transmissive stamper for multi-layer discs using phase transition mastering
Yukari Aoki, Kuniyuki Morita, Kyosuke Deguchi, Toshimori Miyakoshi, Yasuyuki Miyaoka, Tomoyuki Hiroki, Osamu Koyama
Proceedings Volume 6282, 62821L (2006) https://doi.org/10.1117/12.692308
KEYWORDS: Ultraviolet radiation, Oxygen, Photoresist materials, Lithography, Sputter deposition, Glasses, Atomic force microscopy, Transmission electron microscopy, Photoresist developing, Electron beam lithography
Proceedings Article | 22 June 2006 Paper
A study of near field recording optics for cover-layer incident dual-layer disc with an NA=1.45 hemispherical solid immersion lens
Osamu Koyama, Haruhiko Horiguchi, Chihiro Nagura, Koichiro Nishikawa, Osamu Nagatsuka
Proceedings Volume 6282, 628229 (2006) https://doi.org/10.1117/12.692276
KEYWORDS: Servomechanisms, Liquid crystals, Collimators, Near field optics, Actuators, Tolerancing, Solids, Wavefront aberrations, Lens design, Monochromatic aberrations
Proceedings Article | 9 September 2004 Paper
System tolerance of 64-mm-diameter magneto-optical disks with a 4.7-Gigabyte capacity
Yasuhito Tanaka, Goro Fujita, Tetsuhiro Sakamoto, Takeshi Miki, Shingo Imanishi, Yuji Akiyama, Kazuhiko Fujiie, Yasushi Hozumi, Yasuyuki Miyaoka, Kazuoki Hongu, Osamu Koyama
Proceedings Volume 5380, (2004) https://doi.org/10.1117/12.567964
KEYWORDS: Molybdenum, Signal detection, Tolerancing, Annealing, Modulation, Objectives, Reactive ion etching, Frequency modulation, Magnetism, Servomechanisms
Proceedings Article | 9 September 2004 Paper
A DWDD disc of 27-Gbit/in2 land-groove recording using a blue laser and side-wall-annealing technique
Jun Sumioka, Yukari Aoki, Kazuoki Hongu, Yasushi Hozumi, Osamu Koyama
Proceedings Volume 5380, (2004) https://doi.org/10.1117/12.556692
KEYWORDS: Annealing, Magnetism, Molybdenum, Objectives, Semiconductor lasers, Modulation, Multiphoton fluorescence microscopy, Pulsed laser operation, Optical storage, Laser optics
Proceedings Article | 16 September 2003 Paper
15-Gbit/in2 recording on a DWDD disc using a land/groove substrate with a red laser enabled by a side-wall annealing process
Takeshi Miki, Shinichi Kai, Yasuyuki Takeshita, Goro Fujita, Kazuhiko Fujiie, Osamu Koyama, Yasuyuki Miyaoka, Tomoyuki Hiroki, Yasushi Hozumi, Masaru Kikuchi, Tsutomu Shiratori
Proceedings Volume 5069, (2003) https://doi.org/10.1117/12.532516
KEYWORDS: Annealing, Tolerancing, Magnetism, Optical tracking, Molybdenum, Servomechanisms, Semiconductor lasers, Objectives, Compact discs, Magnetic sensors
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