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Japanese Journal of Applied Physics | 1987

New Write-once Optical Media Using Azulenium Dye

Takeshi Miyazaki; Tetsuro Fukui; Katsuhiko Takano; Yoshihiro Oguchi; Tsuyoshi Santoh; Katsuhiko Nishide; Yoshio Takasu

New write-once optical media comprising the azulenium dye film are reported. Azulenium dyes having strong absorbance in the near infrared range are synthesized and studied about their optical and thermal properties. The dye film made by a spin-coating process, has a sufficient absorbance and reflectance at a wave length of 830nm. The new media, comprising the dye film have high recording sensitivity and a sharp threshold in recording characteristics.


Archive | 1994

Optical recording medium substrate sheet producing apparatus having roll stamper with elastomer layer of predetermined hardness

Yukitoshi Okubo; Tsuyoshi Santoh; Miki Tamura; Chieko Mihara; Hiroyuki Sugata; Osamu Kanome; Masataka Yashima


Archive | 1989

Process for producing optical recording medium

Osamu Kanome; Hiroyuki Sugata; Tetsuya Satoh; Yukitoshi Ohkubo; Tsuyoshi Santoh


Archive | 1991

Method and apparatus for forming substrate sheet for optical recording medium

Miki Tamura; Tsuyoshi Santoh; Osamu Kanome


Archive | 1992

Optical recording medium, recording system and reproducing system

Masataka Yashima; Hiroyuki Sugata; Tsuyoshi Santoh; Miki Tamura; Chieko Mihara


Archive | 1998

Ink-jet recording method and print

Hirofumi Ichinose; Naoki Kushida; Tsuyoshi Santoh; Hiroyuki Ogino


Archive | 1990

Optical recording medium containing carboxylic acid-base metallic complex and squarylium-base or croconium-base dye

Tsuyoshi Santoh; Chieko Mihara; Hiroyuki Sugata


Archive | 1990

Apparatus for producing substrate sheet for optical recording mediums and process for producing substrate sheet for optical recording mediums making use of it, apparatus for producing optical recording medium and process for producing optical recording medium making use of it.

Yukitoshi Okubo; Tsuyoshi Santoh; Miki Tamura; Chieko Mihara; Hiroyuki Sugata; Osamu Kanome; Masataka Yashima


Archive | 1998

Ink-jet recording method and printed recording medium

Hirofumi Ichinose; Naoki Kushida; Hiroyuki Ogino; Tsuyoshi Santoh


Archive | 1994

Process for producing substrate sheet for information recording mediums

Tsuyoshi Santoh; Hiroyuki Sugata; Masataka Yashima; Hirofumi Kamitakahara; Hitoshi Yoshino; Osamu Kanome; Tetsuya Sato; Hisanori Hayashi

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