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    • 4. 发明授权
    • Magneto-optical recording medium having large kerr rotational angle in
short wavelength range
    • 在短波长范围内具有较大克尔旋转角度的磁光记录介质
    • US5843570A
    • 1998-12-01
    • US789393
    • 1997-01-29
    • Hiromu MiyazawaShoji HoshinaSatoshi ShimokawatoMasaaki IchikawaMasaya IshidaTakeo KawaseToshiaki MikoshibaSatoshi NebashiTatsuya Shimoda
    • Hiromu MiyazawaShoji HoshinaSatoshi ShimokawatoMasaaki IchikawaMasaya IshidaTakeo KawaseToshiaki MikoshibaSatoshi NebashiTatsuya Shimoda
    • G11B11/105G11B5/66
    • G11B11/10593G11B11/10582G11B11/10586Y10S428/90Y10T428/26Y10T428/265
    • In a magneto-optical recording medium, a protective layer 14, a first magnetic layer 11 formed of a light rare earth element-heavy rare earth element-transition metal alloy, a second magnetic layer 12 formed of a light rare earth element-heavy rare earth element-transition metal alloy, a third magnetic layer 13 formed of a light rare earth element-heavy rare earth element-transition metal alloy, another protective layer 15, and a reflection layer 16 are laminated in sequence on a transparent substrate 10. The first, second and third magnetic layers are sandwiched so as to form a recording film 17. The compositions of the first and third magnetic layers are so selected as to provide a large Kerr rotational angle in a short wavelength range (400 to 700 nm), which is high in the ratio of light rare earth element. On the other hand, the composition of the second magnetic layer is so selected as to be prominent in the characteristics for forming a perpendicular magnetized film, which is high in the ratio of heavy rare earth element. The recording film 17 formed by sandwiching the first, second and third magnetic layers has a large Kerr rotational angle in a short wavelength range as a whole, and further provides a high coercivity. The recording film 17 is formed thin (400 angstrom or less) so that light can transmit sufficiently therethrough. Further, when the three layers of sandwich structure is combined with the reflection layer 16, a more larger Kerr rotational angle can be obtained.
    • 在磁光记录介质中,由轻稀土元素重稀土元素过渡金属合金形成的保护层14,第一磁性层11,由稀土稀土元素重稀土形成的第二磁性层12 接地元素 - 过渡金属合金,由轻稀土元素 - 重稀土元素 - 过渡金属合金形成的第三磁性层13,另一个保护层15和反射层16依次层叠在透明基板10上。 第一,第二和第三磁性层被夹持以形成记录膜17.第一和第三磁性层的组成被选择为在短波长范围(400-700nm)内提供较大的克尔旋转角, 其中轻稀土元素的比例高。 另一方面,第二磁性层的组成被选择为在用于形成重稀土元素的比率高的垂直磁化膜的特性方面是突出的。 通过夹持第一,第二和第三磁性层而形成的记录膜17整体上在短波长范围内具有较大的克尔旋转角度,并进一步提供高的矫顽力。 记录膜17形成为薄(400埃或更小),使得光可以充分透过。 此外,当三层夹层结构与反射层16组合时,可以获得更大的克尔旋转角。
    • 5. 发明授权
    • Magneto-optical recording medium having large kerr rotational angle in
short wavelength range
    • 在短波长范围内具有较大克尔旋转角度的磁光记录介质
    • US5648161A
    • 1997-07-15
    • US90040
    • 1993-07-19
    • Hiromu MiyazawaShoji HoshinaSatoshi ShimokawatoMasaaki IchikawaMasaya IshidaTakeo KawaseToshiaki MikoshibaSatoshi NebashiTatsuya Shimoda
    • Hiromu MiyazawaShoji HoshinaSatoshi ShimokawatoMasaaki IchikawaMasaya IshidaTakeo KawaseToshiaki MikoshibaSatoshi NebashiTatsuya Shimoda
    • G11B11/105G11B5/66
    • G11B11/10593G11B11/10582G11B11/10586Y10S428/90Y10T428/26Y10T428/265
    • In a magneto-optical recording medium, a protective layer 14, a first magnetic layer 11 formed of a light rare earth element--heavy rare earth element--transition metal alloy, a second magnetic layer 12 formed of a light rare earth element--heavy rare earth element--transition metal alloy, a third magnetic layer 13 formed of a light rare earth element--heavy rare earth element--transition metal alloy, another protective layer 15, and a reflection layer 16 are laminated in sequence on a transparent substrate 10. The first, second and third magnetic layers are sandwiched so as to form a recording film 17. The compositions of the first and third magnetic layers are so selected as to provide a large Kerr rotational angle in a short wavelength range (400 to 700 nm), which is high in the ratio of light rare earth element. On the other hand, the composition of the second magnetic layer is so selected as to be prominent in the characteristics for forming a perpendicular magnetized film, which is high in the ratio of heavy rare earth element. The recording film 17 formed by sandwiching the first, second and third magnetic layers has a large Kerr rotational angle in a short wavelength range as a whole, and further provides a high coercivity. The recording film 17 is formed thin (400 angstrom or less) so that light can transmit sufficiently therethrough. Further, when the three layers of sandwich structure is combined with the reflection layer 16, a more larger Kerr rotational angle can be obtained.
    • PCT No.PCT / JP92 / 01528 Sec。 371日期:1993年7月19日 102(e)日期1993年7月19日PCT 1991年11月20日PCT PCT。 公开号WO93 / 10530 日期:1993年5月27日在磁光记录介质中,保护层14,由轻稀土元素重稀土元素过渡金属合金形成的第一磁性层11,由轻质稀土构成的第二磁性层12 元素重稀土元素过渡金属合金,由轻稀土元素重稀土元素 - 过渡金属合金形成的第三磁性层13,另一保护层15和反射层16依次叠层在透明 衬底10.第一,第二和第三磁性层被夹持以形成记录膜17.第一和第三磁性层的组成被选择为在短波长范围(400〜 700nm),其稀土元素比例高。 另一方面,第二磁性层的组成被选择为在用于形成重稀土元素的比率高的垂直磁化膜的特性方面是突出的。 通过夹持第一,第二和第三磁性层而形成的记录膜17整体上在短波长范围内具有较大的克尔旋转角度,并进一步提供高的矫顽力。 记录膜17形成为薄(400埃或更小),使得光可以充分透过。 此外,当三层夹层结构与反射层16组合时,可以获得更大的克尔旋转角。
    • 7. 发明授权
    • Magneto-optical recording medium and method of manufacturing the same
    • 磁光记录介质及其制造方法
    • US5772856A
    • 1998-06-30
    • US211358
    • 1994-06-07
    • Takeo KawaseMasaya IshidaSatoshi NebashiSatoshi ShimokawatoToshiaki MikoshibaShoji HoshinaHiromu MiyazawaAtsushi Takakuwa
    • Takeo KawaseMasaya IshidaSatoshi NebashiSatoshi ShimokawatoToshiaki MikoshibaShoji HoshinaHiromu MiyazawaAtsushi Takakuwa
    • G11B11/105C23C14/00B05D5/12G11B5/66
    • G11B11/10591G11B11/10582G11B11/10584G11B11/10586Y10S428/90Y10T428/26Y10T428/265
    • In a magneto-optical recording medium, a first dielectric layer 12, a recording layer 13, an auxiliary recording layer 14, a second dielectric layer 15 and a reflective layer 16 are sequentially laminated on a transparent substrate 11. Recording layer 14 is formed of a rare-earth transition-metal amorphous alloy having a film thickness of about several hundreds angstroms. Auxiliary recording layer 14 is also formed of a rare-earth transition-metal amorphous alloy. However, the Curie temperature T.sub.C2 of auxiliary recording layer 14 is 10.degree. K or more higher than the Curie temperature T.sub.C1 of recording layer 13, and the film thickness of auxiliary recording layer is ultra-thin, such as, 70.ANG. or less. Further, the squareness ratio of auxiliary recording layer 14 at the Curie temperature T.sub.C1 of recording layer 13 is 0.7 or higher. These characteristics of auxiliary recording layer 14 may be realized by selecting the composition of auxiliary recording layer 14 or by lowering the density of the layer. In addition, a transition metal, such as, Fe or Co, or a non-magnetic metal, such as, Pt, Al, Ti or Cr, or a nitride of rare-earth transition-metal amorphous alloy may be employed as the material for auxiliary recording layer 14.
    • PCT No.PCT / JP93 / 01062 Sec。 371日期:1994年6月7日 102(e)日期1994年6月7日PCT提交1993年7月29日PCT公布。 公开号WO94 / 03892 日期:1994年02月17日在磁光记录介质中,第一电介质层12,记录层13,辅助记录层14,第二电介质层15和反射层16依次层压在透明基板11上。记录 层14由膜厚约为几百埃的稀土过渡金属非晶态合金形成。 辅助记录层14也由稀土过渡金属非晶合金形成。 然而,辅助记录层14的居里温度TC2比记录层13的居里温度TC1高10°K以上,辅助记录层的膜厚超薄,例如70以下。 此外,记录层13的居里温度TC1下的辅助记录层14的矩形比为0.7以上。 辅助记录层14的这些特性可以通过选择辅助记录层14的组成或通过降低层的密度来实现。 此外,可以使用诸如Fe或Co的过渡金属或诸如Pt,Al,Ti或Cr的非磁性金属或稀土过渡金属非晶合金的氮化物作为材料 用于辅助记录层14。
    • 10. 发明授权
    • Pattern formation method and substrate manufacturing apparatus
    • 图案形成方法和基板制造装置
    • US06599582B2
    • 2003-07-29
    • US09232682
    • 1999-01-19
    • Hiroshi KiguchiHitoshi FukushimaSatoshi NebashiTatsuya Shimoda
    • Hiroshi KiguchiHitoshi FukushimaSatoshi NebashiTatsuya Shimoda
    • B05D104
    • H01L21/6715H01L21/288H01L21/768H01L21/76838H01L27/1292H01L51/0005H05K3/125
    • Provided is a substrate manufacturing technique for forming patterns on substrates with the aid of an ink-jet systems. Relates to a substrate manufacturing apparatus for forming arbitrary patterns on a substrate 1 from a fluid 11. This apparatus comprises an ink-jet print head 2 configured to allow the fluid 11 to be ejected onto the substrate 1; treatment means 3 for performing a specific treatment on the substrate 1; drive means 4 configured to allow the relative positions of the ink-jet print head 2, the treatment means 3, and the substrate 1 to be varied; and control means 5 for controlling the ejection of the fluid 11 from the ink-jet print head 2, the treatment performed by the treatment means 3, and the drive effected by the drive means 4. The control means 5 is configured to allow the treatment by the treatment means to be performed prior to the ejection of fluid from the ink-jet print head 2.
    • 提供了一种用于在喷墨系统的帮助下在基板上形成图案的基板制造技术。 关于用于从流体11在基板1上形成任意图案的基板制造装置。该装置包括喷墨打印头2,其被配置为允许流体11被喷射到基板1上; 用于对基板1进行特定处理的处理装置3; 驱动装置4,被配置为允许喷墨打印头2,处理装置3和基板1的相对位置改变; 以及用于控制来自喷墨打印头2的流体11的喷射,由处理装置3进行的处理以及由驱动装置4进行的驱动的控制装置5.控制装置5被配置为允许处理 通过在从喷墨打印头2喷射流体之前执行的处理装置。