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    • 11. 发明授权
    • Magnetoresistance effect device having hard magnetic film structural body
    • 具有硬磁性膜结构体的磁阻效应器件
    • US07116527B1
    • 2006-10-03
    • US08940020
    • 1997-09-29
    • Hideaki FukuzawaShin-ichi NakamuraYuzo KamiguchiHitoshi IwasakiAkio HoriSusumu Hashimoto
    • Hideaki FukuzawaShin-ichi NakamuraYuzo KamiguchiHitoshi IwasakiAkio HoriSusumu Hashimoto
    • G11B5/33
    • G11B5/3932B82Y25/00H01F10/132H01F10/16H01F10/3281H01L43/08
    • A base film of a hard magnetic film containing Co as a structural element has a crystal metal base film such as a Cr film formed on the main surface of a substrate and a reactive base film (mixing layer) formed between the substrate and the crystal metal base film and having a reactive amorphous layer containing a structural element of the substrate and a structural element of the crystal metal base film. A hard magnetic film containing Co as a structural element is formed on the crystal metal base film. With the crystal metal base film such as the Cr film formed on an amorphous layer, a hard magnetic film with a bi-crystal structure can be obtained with high reproducibility. With the hard magnetic film, magnetic characteristics such as coercive force Hc, residual magnetization Mr, saturated magnetization Ms, and square ratio S can be improved without need to use a thick base film. The hard magnetic film containing Co as a structural element is applied to a bias magnetic field applying film of a magnetoresistance effect device and a record layer of a magnetic record medium.
    • 含有Co作为结构元件的硬磁性膜的基膜具有形成在基板的主表面上的Cr膜等晶体金属基膜和在基板和结晶金属之间形成的反应性基膜(混合层) 并且具有包含基板的结构元件的反应性非晶层和晶体金属基膜的结构元件。 在晶体金属基膜上形成含有Co作为结构元素的硬磁性膜。 利用在非晶层上形成的Cr膜等晶体金属基膜,可以以高再现性获得具有双晶结构的硬磁性膜。 对于硬磁性膜,可以提高矫顽力Hc,剩余磁化强度Mr,饱和磁化强度Ms和平方比S等磁特性,而无需使用厚基膜。 含有Co作为结构元件的硬磁性膜被施加到磁阻效应装置的偏磁场施加膜和磁记录介质的记录层。
    • 12. 发明授权
    • Decorative article
    • 装饰品
    • US5643679A
    • 1997-07-01
    • US990618
    • 1992-12-14
    • Yoko IshimaruHirobumi OhmoriShin-ichi NakamuraMichihiko Inaba
    • Yoko IshimaruHirobumi OhmoriShin-ichi NakamuraMichihiko Inaba
    • C22C9/00
    • C22C9/00Y10T428/24975Y10T428/265
    • A decorative article comprises as essential components 5 to 95% by weight of Cu 5 to 95% by weight of a copper based component in which at least one kind of metal selected from a group consisting of Au, Pb, Zn, Sn, Ni and Al is solid-dissolved in Cu, and a balance of Fe and unavoidable impurities. The decorative article exhibits a color tone satisfying a formula x.gtoreq.0.3 and/or y.gtoreq.0.3 for which chromaticity coordinates x and y in a X-Y-Z colorimetric system are used. Usually, the decorative article iron alloy is practically used in the form of a plate and contains a cast structure in a part of its matrix while exhibiting a dislocation density of 10.sup.2 dl/cm.sup.2 or more. The cast structure is a dendritic structure which extends from the surface of the plate in the direction of a thickness of the latter. A thickness of the dendritic structure is determined to be 1/10 or more of the thickness of the plate.
    • 装饰品包含作为必要组分的5-95重量%的Cu 5至95重量%的铜基组分,其中至少一种选自Au,Pb,Zn,Sn,Ni的金属和 Al固溶于Cu,余量为Fe和不可避免的杂质。 装饰品展现了使用X-Y-Z比色系统中的色度坐标x和y的满足公式x> / = 0.3和/或y> / = 0.3的色调。 通常,装饰品铁合金实际上以板的形式使用,并且在其基质的一部分中含有铸塑结构,同时具有102dl / cm 2或更大的位错密度。 铸造结构是从板的表面沿其厚度的方向延伸的树枝状结构。 树枝状结构的厚度被确定为板的厚度的1/10以上。