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    • 92. 发明授权
    • Record retrieval method using key bondary value table and condition
valid status table
    • 使用密钥债券价值表和条件有效状态表记录检索方法
    • US5398338A
    • 1995-03-14
    • US217077
    • 1994-03-23
    • Satoshi Yoshida
    • Satoshi Yoshida
    • G06F17/30G06F15/40
    • G06F17/30595Y10S707/99937
    • Prior to retrieval of records from a data file, keywords, as boundary values of condition ranges, which are input as record retrieval condition ranges are sorted and arranged in a given order. Identification information indicating that boundary ranges each defined by adjacent keywords of the keywords arranged in the given order are included in the retrieval condition ranges are assigned in correspondence with the boundary ranges. Thereafter, records are retrieved in accordance with the keywords in the boundary ranges in which the identification information are assigned. Therefore, even if designated record retrieval condition ranges overlap, ranges in which records are read out from the data file are limited to required ranges, and the same records are not read out a plurality of times.
    • 在从数据文件检索记录之前,作为记录检索条件范围输入的条件范围的边界值的关键字按照给定的顺序进行排序和排列。 指示按照给定顺序排列的关键词的相邻关键字所定义的边界范围的识别信息被包括在检索条件范围内,与边界范围相对应。 此后,根据分配了识别信息的边界范围内的关键字来检索记录。 因此,即使指定的记录检索条件范围重叠,从数据文件读出记录的范围被限制为所需范围,并且不会多次读出相同的记录。
    • 95. 发明授权
    • Coil conductor structure in thin-film magnetic head
    • 薄膜磁头中的线圈导体结构
    • US4703383A
    • 1987-10-27
    • US783577
    • 1985-10-03
    • Yoshiaki KatouJoe UeokaSatoshi Yoshida
    • Yoshiaki KatouJoe UeokaSatoshi Yoshida
    • G11B5/17G11B5/31
    • G11B5/31
    • A thin-film magnetic film composed of a substrate, a lower magnetic layer, a first insulating layer, a coil conductor, a second insulating layer, and an upper magnetic layer accumulated in this order. The cross-section of the coil conductor has a trapezoidal shape having skirts at the lower end of the sides thereof. Owing to the presence of the skirts, the surface of the second insulating layer formed thereon can be made flat by ion etching, and consequently the surface of the upper magntic layer is made flat. The incident angle of the ion beam and the thickness of the photoresist used in the ion etching process to make the pattern of the coil conductor layer are determined so that the cross-sectional shape of the coil conductor is a trapezoid having skirts at the lower ends thereof.
    • 由依次堆积的基板,下磁性层,第一绝缘层,线圈导体,第二绝缘层和上磁性层构成的薄膜磁性膜。 线圈导体的横截面具有在其侧面的下端具有裙部的梯形形状。 由于存在裙边,所以通过离子蚀刻可以使形成在其上的第二绝缘层的表面变得平坦,因此使上层磁性层的表面平坦。 确定用于制造线圈导体层的图案的离子蚀刻工艺中使用的离子束的入射角和光致抗蚀剂的厚度,使得线圈导体的横截面形状是在下端具有裙部的梯形 其中。