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    • 7. 发明授权
    • Method of making transparent magnetic recording layers
    • 制造透明磁记录层的方法
    • US5520954A
    • 1996-05-28
    • US401518
    • 1995-03-10
    • George L. OlteanRobert O. JamesBrian S. WhiteDavid B. Bailey
    • George L. OlteanRobert O. JamesBrian S. WhiteDavid B. Bailey
    • G11B5/633G11B5/00
    • G11B5/633Y10S428/90Y10T428/25Y10T428/273Y10T428/31768
    • A method of making a transparent magnetic recording layer which comprises forming a concentrated aqueous magnetic dispersion (A) of from 10 to 50 percent by weight ferromagnetic particles having a specific surface area of at least 30 m.sup.2 /gm and from 0.5 to 20 percent by weight of a dispersing agent; adding the concentrated aqueous magnetic dispersion (A) to a viscosity increasing hydrophilic polymer in water (B) such that the concentration of the hydrophilic cobinder is from 0.5 to 3 percent by weight based on the total weight of (A) and (B); diluting the resulting dispersion (A) plus (B) with water to give a dispersion (C) having a concentration of from 0.5 to 5 percent by weight of ferromagnetic particles; preparing a final dispersion by adding to the dispersion (C) from 20 to 200 parts per 100 parts of dispersion (C) of an aqueous deionized gelatin solution having a pH value from 7 to 10 and containing from 2 to 15 percent by weight of gelatin and coating the final dispersion onto a substrate to give a dry coverage of from 700 mg/m.sup.2 to 3000 mg/m.sup.2 of solids.
    • 一种透明磁记录层的制造方法,其特征在于,形成浓度为10〜50重量%的比表面积为30m 2 / g以上且0.5〜20重量%的铁磁性颗粒的浓缩水性磁性分散体(A) 的分散剂; 将浓缩的水性磁性分散体(A)加入到水(B)中的增粘亲水性聚合物中,使得亲水性助磨剂的浓度为(A)和(B)的总重量的0.5〜3重量%。 用水稀释所得分散体(A)加(B),得到浓度为铁磁颗粒重量的0.5-5%的分散体(C); 通过向分散体(C)添加20至200份/ 100份分散体(C)的分散体(C),其分散体(C)为pH值为7至10的含水去离子明胶溶液,并含有2至15重量%的明胶 并将最终分散体涂布在基材上,得到700mg / m 3至3000mg / m 2固体的干覆盖。
    • 10. 发明授权
    • Item search using normalized item attributes
    • 使用归一化项目属性的项目搜索
    • US08452785B1
    • 2013-05-28
    • US12856128
    • 2010-08-13
    • Akiyoshi D. IidaDavid B. BaileyJonathan R. Jacobs
    • Akiyoshi D. IidaDavid B. BaileyJonathan R. Jacobs
    • G06F7/00
    • G06Q30/0601G06Q30/0603G06Q30/0643
    • Disclosed are various embodiments for searching for items in a catalog using normalized item attributes. A range of values on a normalized scale is determined for an option for an attribute associated with a representative item. The range of values of the representative item is correlated with a first unit on a first scale of item classification. Multiple items are identified based at least in part on the option for the attribute. Each of the items is associated with a respective option for the attribute that has a respective range of values on the normalized scale that overlaps the range of values of the representative item. The respective range of values of one or more of the items is correlated with a second unit on a second scale of item classification.
    • 公开了使用归一化项目属性来搜索目录中的项目的各种实施例。 对于与代表项目相关联的属性的选项,确定归一化尺度上的值的范围。 代表项目的值的范围与项目分类的第一标度上的第一单位相关。 至少部分地基于该属性的选项来识别多个项目。 每个项目与属性的相应选项相关联,该属性具有与代表项目的值的范围重叠的归一化比例的相应值的范围。 项目中的一个或多个的相应值的范围与项目分类的第二尺度上的第二单元相关。