发明名称 |
Optical recording medium, optical recording method, and optical recording device used in method. |
摘要 |
<p>Features of the present invention are connected with an optical recording medium which comprises a substrate, a heat-senstive color-developing layer containing a basic dye and an organic developer, and a light-absorbing layer containing a near infrared absorbent, the aforesaid layers being superposed upon the substrate, a reflectance at the dominant wave length of a laser beam on the surface of the recording medium being from 15 to 65%; a method for recording by irradiating the optical recording medium with a laser beam condensed by a condenser having a focal length of 0.5 mm or more and a numerical aperture (N.A) of 0.1 to 0.5; and a device for use in the above-mentioned method.</p> |
申请公布号 |
EP0381492(A2) |
申请公布日期 |
1990.08.08 |
申请号 |
EP19900301047 |
申请日期 |
1990.02.01 |
申请人 |
JUJO PAPER CO., LTD. |
发明人 |
SATAKE, TOSHIMI, C/O CENTRAL RESEARCH LAB.;NAGAI, TOMOAKI, C/O CENTRAL RESEARCH LAB.;FUKUI, HIROSHI, C/O CENTRAL RESEARCH LAB.;SEKINE, AKIO, C/O CENTRAL RESEARCH LAB.;YOKOYAMA, MIYUKI C/O CENTRAL RESEARCH LAB. |
分类号 |
B41M5/30;B41M5/40;B41M5/42;B41M5/46;G11B7/244 |
主分类号 |
B41M5/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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