| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | Optical recording medium and manufacturing method of the same | US14666739 | 2015-03-24 | US09552839B2 | 2017-01-24 | Takeshi Yoshida; Minoru Kikuchi; Akio Koshita |
| Provided is an optical recording medium including: two discs, each of which includes a substrate and a plurality of recording layers; and an attachment layer which is provided between the two discs and includes ultraviolet curable resin, wherein thickness of each of the substrates in the two discs is equal to or greater than 0.3 mm and equal to or less than 0.545 mm, wherein transmittance of the two discs is equal to or less than 20%, and wherein inversion rates on both surface sides of the attachment layer are equal or substantially equal to each other, and are equal to or greater than 70%. | ||||||
| 2 | OPTICAL RECORDING MEDIUM AND MANUFACTURING METHOD OF THE SAME | US14666739 | 2015-03-24 | US20150279411A1 | 2015-10-01 | Takeshi YOSHIDA; Minoru KIKUCHI; Akio KOSHITA |
| Provided is an optical recording medium including: two discs, each of which includes a substrate and a plurality of recording layers; and an attachment layer which is provided between the two discs and includes ultraviolet curable resin, wherein thickness of each of the substrates in the two discs is equal to or greater than 0.3 mm and equal to or less than 0.545 mm, wherein transmittance of the two discs is equal to or less than 20%, and wherein inversion rates on both surface sides of the attachment layer are equal or substantially equal to each other, and are equal to or greater than 70%. | ||||||
| 3 | 光記録媒体およびその製造方法 | JP2014074952 | 2014-03-31 | JP2015197936A | 2015-11-09 | 吉田 健; 菊地 稔; 越田 晃生 |
| 【課題】反りの発生を抑制できる光記録媒体を提供する。 【解決手段】光記録媒体は、基板と複数の記録層とを含む2枚のディスクと、2枚のディスクとの間に設けられた、紫外線硬化樹脂を含む貼合層とを備える。2枚のディスクの基板の厚みは、0.3mm以上0.545mm以下である。2枚のディスクの透過率は、20%以下である。貼合層の両面側における転化率は、等しくまたはほぼ等しく、かつ70%上である。 【選択図】図1 |
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