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6731590 |
Optical recording medium containing a substrate, an intermediate layer having therein an amorphous material, the intermediate layer having a reflective layer thereon
Reduction in noise of the read out signal as well as enhanced storage reliability are realized in an optical recording medium comprising a supporting substrate, and a reflective layer, a recording...
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6727007 |
Magneto-optical recording medium with reflective layer formed from two thin films possessing different surface tensions
A magneto-optical recording medium includes at least a reflective layer and a recording layer formed in this order on a substrate, in which record and reproduction of information are carried out by...
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5948497 |
High stability silver based alloy reflectors for use in a writable compact disk
A writable compact disk has a plastic substrate, a recording layer, a reflecting layer, and a protective overcoat, the reflecting layer is comprised of a silver-palladium alloy, a silver-copper...
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5853872 |
Magneto-optical recording medium
A magneto-optical recording medium having, in the following order, a substrate, a magneto-optical recording layer having a Curie temperature of not less than 220° C., and a reflective layer mainly ...
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5786078 |
Magneto-optical recording medium
A magneto-optical recording medium comprising a transparent substrate, a first dielectric layer on the substrate, a magneto-optical recording layer on the first dielectric layer and a metal...
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5643650 |
Magneto-optical recording medium
The recording sensitivity can be improved of a magneto-optical recording medium having a laminar structure consisting of a first dielectric layer, a recording layer, a second dielectric layer and...
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5620767 |
Light reflecting and heat dissipating material and optical information recording medium using the same
A light reflecting and heat dissipating material which is capable of reflecting light and dissipating heat transmitted thereto from a layer in contact with or adjacent to the material to cool the...
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5612133 |
Magneto-optical recording medium having a refelecting layer of a silver-magnesium alloy having a magnesium oxide coating
Silver is alloyed with magnesium, and the magnesium content of the silver-magnesium alloy ranges from 1 atom % to 10 atom % so that a protection film of magnesium oxide prevents the...
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5560998 |
Magneto-optical recording medium
A magneto-optical recording medium, comprising a substrate, a magneto-optical recording layer on the substrate, a transparent thermally-insulating layer of one selected from the group consisting of...
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5479382 |
Information recording medium comprising recording layer capable of recording under-exposure to recording laser beam
An information recording medium has a thin-film recording layer and a reflective layer that reflects a laser beam. The recording layer can be composed of an inorganic substance whose optical...
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5439752 |
Optical recording medium and reflecting film for use therein
A reflecting film for use in an optical recording medium, which essentially consists of gold. The reflecting film also is capable of including a second reflecting layer essentially made of...
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5340647 |
Optomagnetic recording medium
An optomagnetic recording medium comprising a substrate plate and, provided thereon, a recording layer and a reflection layer, said reflection layer consisting of a thin layer of an alloy of...
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5075145 |
Optical recording medium
An optical recording medium comprising a substrate and a metal reflective layer provided on the substrate, in which the metal reflective layer comprises an alloy of Al and at least one metal...
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5055353 |
Magneto-optical recording medium
A magneto-optical recording medium comprises a substrate and a magneto-optical recording film overlaid on the substrate. The magneto-optical recording film is composed of a first protective...
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5040166 |
Magneto-optical recording medium having a reflective film of Ag and Mn or Ag, Mn and Sn
The present invention relates to magneto-optical recording medium. The recording medium comprises a magnetic film and a reflective film both provided on a substrate. The reflective film comprises...
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4725502 |
Information recording medium having Al-Ti alloy reflective layer
An optical information record medium comprising a transparent substrate, an optical information recording layer, and a reflective metal layer. The reflective metal layer is formed of an...
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4719137 |
Magneto-optic memory element
A magneto-optic memory element includes a GdTbFe recording layer sandwiched between a pair of transparent AlN dielectric layers. At least one of the pair of transparent AlN dielectric layers is...
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4717628 |
Magnetooptical storage element
A magnetooptical storage element having a recording layer of a multi-layer construction including a reflective layer. The reflective layer is made of an aluminium-nickel alloy obtained by adding...
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