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    • 1. 发明授权
    • Form factor disk
    • 外形尺寸盘
    • US07562374B2
    • 2009-07-14
    • US11149098
    • 2005-06-09
    • Woo Seok CheongYong Goo YooSung Q LeeHo Jun RyuMun Cheol PaekEun Kyoung Kim
    • Woo Seok CheongYong Goo YooSung Q LeeHo Jun RyuMun Cheol PaekEun Kyoung Kim
    • G11B25/04
    • G11B23/0035
    • Provided is a form factor disk such as an optical or magnetic disk used in electronic appliances and information appliances. The form factor disk includes: a circular plate having a first hole for inserting a rotational shaft, a plurality of second holes formed adjacent to the first hole, and an information storage region formed at a surface thereof; an upper metal hub located on the circular plate, and having a hole aligned with the first hole of the circular plate and column-shaped joints formed at portions corresponding to the second holes of the circular plate; and a lower metal hub located under the circular plate, and having a hole aligned with the first hole of the circular plate and column-shaped joints formed at portions corresponding to the second holes of the circular plate, wherein the joints of the upper and lower metal hubs are jointed through the second holes.
    • 提供了诸如用于电子设备和信息设备中的光学或磁盘的形状因子盘。 形状因素盘包括:圆板,具有用于插入旋转轴的第一孔,与第一孔相邻形成的多个第二孔以及形成在其表面的信息存储区; 位于圆板上的上金属毂,具有与圆板的第一孔对准的孔和形成在对应于圆板的第二孔的部分处的柱形接头; 以及位于圆板下方的下金属毂,并且具有与圆板的第一孔对准的孔和形成在与圆板的第二孔对应的部分处形成的柱状接头,其中上下的接头 金属轮毂通过第二个孔接合。
    • 2. 发明授权
    • Small form factor optical/magnetic disk for information storage
    • 用于信息存储的小型光学/磁盘
    • US07757247B2
    • 2010-07-13
    • US11288693
    • 2005-11-29
    • Woo Seok CheongYong Goo YooSung Q LeeHo Jun RyuMun Cheol PaekEun Kyoung KimKang Ho Park
    • Woo Seok CheongYong Goo YooSung Q LeeHo Jun RyuMun Cheol PaekEun Kyoung KimKang Ho Park
    • G11B7/24G11B23/03G11B3/70G11B5/84G11B7/26G11B5/82
    • G11B23/0035
    • Provided is a small form factor optical/magnetic disk including an integrated metal hub and a disk plate. The integrated metal hub includes a circular upper metal hub and a circular lower metal hub integrally formed with and disposed under the upper metal hub. The circular lower metal hub has a smaller diameter smaller than the upper metal hub. A central hole is formed in central portions of the upper and lower metal hubs and passes through the upper and lower metal hubs. The disk plate has a through-hole that is formed in a central portion and is directly associated with the integrated metal hub, and a recess that is formed around the through-hole and allows the upper metal hub to be mounted therein. Since the central portion of the small form factor optical/magnetic disk is not thick, the small form factor optical/magnetic disk can contribute to an ultra thin small form factor information storage device. Also, since manufacturing processes are simple, price and quality competitiveness can be enhanced.
    • 提供了包括集成金属毂和盘片的小型光学/磁盘。 集成金属毂包括圆形上金属毂和与上金属毂一体形成并设置在其下的圆形下金属毂。 圆形下部金属毂具有比上部金属毂更小的直径。 中心孔形成在上下金属轮毂的中心部分,并通过上下金属轮毂。 盘片具有形成在中心部分并且与集成金属毂直接相关联的通孔,以及形成在通孔周围并允许上金属毂安装在其中的凹部。 由于小型光学/磁盘的中心部分不厚,因此小型光学/磁盘可以有助于超薄型小尺寸信息存储装置。 此外,由于制造工艺简单,因此可以提高价格和质量竞争力。
    • 7. 发明授权
    • Recording layer of magneto-optical storage medium having sublayer and method of fabricating the same
    • 具有子层的磁光存储介质的记录层及其制造方法
    • US07153540B2
    • 2006-12-26
    • US10721636
    • 2003-11-24
    • Dong Woo SuhHo Jun RyuYeung Joon SohnYong Woo ParkMun Cheol Paek
    • Dong Woo SuhHo Jun RyuYeung Joon SohnYong Woo ParkMun Cheol Paek
    • B05D3/02B05D7/14
    • G11B11/10582G11B11/10584G11B11/10591
    • A recording layer of a magneto-optical storage medium having a sublayer in accordance with the present invention comprises a recording layer on which information is recorded and stored; and a sublayer formed above or below the recording layer and made up of an alloy containing a transition metal, wherein a magnetic anisotropy energy of the sublayer is exchange-coupled to the recording layer, thereby enhancing a coercive force of the recording layer. The sublayer may be formed in a single-layered structure having one layer, or in a multi-layered structure having a plurality of layers. The sublayer is preferably made up of an alloy containing a transition metal used for the recording layer. According to the present invention, the coercive force of the recording layer can be increased by an exchange coupling effect between the recording layer and its adjacent sublayer, and thus, the stability of the magnetic domain in the recording layer can be improved. Therefore, the size of the magnetic domain can be significantly reduced, and the density of recording can be increased.
    • 根据本发明的具有子层的磁光存储介质的记录层包括记录和存储信息的记录层; 以及形成在记录层的上方或下方并由含有过渡金属的合金构成的子层,其中子层的磁各向异性能量与记录层交换耦合,从而提高记录层的矫顽力。 子层可以形成为具有一层的单层结构,或者具有多层的多层结构。 子层优选由含有用于记录层的过渡金属的合金构成。 根据本发明,可以通过记录层及其相邻子层之间的交换耦合效应来提高记录层的矫顽力,从而可以提高记录层中磁畴的稳定性。 因此,可以显着地减小磁畴的尺寸,并且能够提高记录密度。