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    • 6. 发明申请
    • RESIN COMPOSITION FOR CARDS, AND SHEETS AND CARDS
    • 卡片的树脂组合物,和片和卡
    • WO99009102A1
    • 1999-02-25
    • PCT/JP1998/002545
    • 1998-06-09
    • C08K3/34C08K5/06C08K5/42C08L67/02G06K19/02G06K19/04B32B27/36C08J5/18C08K13/04C08L69/00G11B5/80G11B7/24
    • G06K19/041C08K3/34C08K5/06C08K5/42C08L67/02G06K19/02C08L71/00
    • Plastics are improved in secondary processabilities so as, e.g., not to suffer curling by embossing, not to suffer card warpage upon exposure to high temperatures, to give flat sections upon card formation by punching, and to have satisfactory releasability from the press plates. According to the properties required, various means are taken to modify substantially noncrystalline polyester resins. For example, a mixture of polyethylene glycol with a sodium alkylbenzenesulfonate in a weight ratio of from 1/9 to 9/1 is added to the resin in an amount of 0.2 to 1.5 % by weight. Alternatively, powdery silicic acid and/or powdery magnesium silicate each having an average particle diameter of 5 mu m or smaller is incorporated in an amount of 0.5 to 5.0 % by weight, or a particulate and/or flaky inorganic filler having an average particle diameter of 3 to 10 mu m is incorporated.
    • 在二次加工性方面改善了塑料,例如不会因压花而发生卷曲,在暴露于高温时不会发生卡翘曲,通过冲压形成卡片时给予平坦部分,并且具有令人满意的从压板释放性能。 根据所需的性质,采取各种方法来改性基本上非结晶的聚酯树脂。 例如,将聚乙二醇与烷基苯磺酸钠的重量比为1/9至9/1的混合物以0.2至1.5重量%的量加入树脂中。 或者,平均粒径为5μm以下的粉状硅酸和/或粉末状硅酸镁的配合量为0.5〜5.0重量%,或平均粒径为5μm以下的颗粒状和/或片状无机填料 3〜10亩。
    • 7. 发明申请
    • MAGNETIC RECORDING MEDIUM AND METHOD FOR USING THE SAME
    • 磁记录介质及其使用方法
    • WO98055962A1
    • 1998-12-10
    • PCT/JP1998/002485
    • 1998-06-04
    • G06K19/06G06K17/00G06K19/00G11B5/80G11B11/00G11B11/14
    • G06K19/06196
    • A magnetic recording medium having an irreversible recording layer whose saturation magnetization changes irreversibly by heating in order to prevent alteration of data. The magnetic recording medium has, at least in part of its substrate, an irreversible recording layer containing an irreversible recording material whose saturation magnetization changes irreversibly by heating. A fixed information recording region for recording fixed information on the medium is formed at least in part of the irreversible recording layer. In the fixed information recording region, a plurality of heated bars whose saturation magnetization has changed irreversibly are arranged substantially in parallel with one another. The arrangement pattern of the heated bars or the arrangement pattern of unheated bars provided between adjacent heated bars is formed by coding the fixed information by frequency modulation or phase modulation.
    • 具有不可逆记录层的磁记录介质,其饱和磁化通过加热而不可逆地改变,以防止数据的改变。 磁记录介质至少部分地具有包含不可逆记录材料的不可逆记录层,其不饱和磁化通过加热不可逆地变化。 用于在介质上记录固定信息的固定信息记录区至少部分地形成在不可逆记录层中。 在固定信息记录区域中,饱和磁化强度已经不可逆地改变的多个加热棒彼此基本平行地布置。 通过频率调制或相位调制对固定信息进行编码,形成加热条的布置图案或设置在相邻加热条之间的未加热棒的布置图案。
    • 9. 发明申请
    • DATA STORAGE DEVICE, APPARATUS AND METHOD FOR USING SAME
    • 数据存储设备,设备和使用该设备的方法
    • WO0131641A9
    • 2002-08-01
    • PCT/US0041444
    • 2000-10-19
    • ULTRACARD INCMANN DONALD CCOOK BERT D JRZEISSNER WILLIAMPARKISON ROBERT L
    • MANN DONALD CCOOK BERT D JRZEISSNER WILLIAMPARKISON ROBERT L
    • B42D15/10G06K19/06G06K19/077G06K19/08G11B5/02G11B5/64G11B5/72G11B5/80G11B7/005
    • G06K19/06196
    • A data storage device for use as a portable card, magnetically encodeable card, magnetic credit card (100) or the like is shown. The data storage device includes a substrate having at least one surface. A high density, magnetically coercive material layer (110) is disposed on or is deposited on the substrate for storing magnetic signals. The magnetically coercive material may have an axis of magnetization that is oriented in a predetermined direction relative to the at least one surface of the substrate. A layer of non-magnetically material is disposed on the substrate for defining an exchange break layer. A relatively hard, abradeable protective coating is formed on said magnetic material layer and is selected to have a thickness between a maximum thickness which would materially attenuate magnetic signals passing between the magnetic material layer and a transducer and a minimum thickness enabling said protective coating to be abraded by usage in an ambient natural atmosphere operating environment for removing therefrom a known quantity of the protective coating. The protective coating may comprise one, two or more layers of materials.
    • 示出了用作便携式卡,磁性可编码卡,磁性信用卡(100)等的数据存储设备。 数据存储装置包括具有至少一个表面的衬底。 高密度磁矫顽材料层(110)设置在基板上或者沉积在基板上用于存储磁信号。 该磁矫顽材料可以具有相对于基板的至少一个表面沿预定方向取向的磁化轴。 在基底上设置一层非磁性材料,用于限定交换中断层。 在所述磁性材料层上形成相对坚硬的可磨损的保护涂层,并且所述保护涂层被选择为具有介于磁性材料层和换能器之间的磁信号的材料衰减的最大厚度和使所述保护涂层成为可能的最小厚度之间的厚度 通过在周围的自然气氛操作环境下的使用而磨损,以从中除去已知量的保护涂层。 保护涂层可以包括一层,两层或更多层材料。